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NZISM-3.4-to-3.8.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>NZISM Comparison</title>
<style>
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
h1 {
color: #040477;
}
table {
border: 1px solid black;
border-collapse: collapse;
}
thead {
background-color: #040477;
color: white;
}
th, td {
padding: 0.3em;
text-align: left;
}
td {
border: 1px solid black;
max-width: 800px;
overflow-wrap: break-word;
}
span.insert {
text-decoration: underline;
background-color: mediumseagreen;
}
span.delete {
text-decoration: line-through;
background-color: firebrick;
}
</style>
</head>
<body>
<section>
<p>This is a report of changes between <strong>nzism-data/NZISM-FullDoc-V.3.4-September 2020.xml</strong> and <strong>nzism-data/NZISM-ISM Document-V.-3.8-September-2024.xml</strong>.</p>
<ul>
<li><a href="#controls_added">Controls Added</a></li>
<li><a href="#controls_removed">Controls Removed</a></li>
<li><a href="#controls_changed">Controls Changed</a></li>
</ul>
</section>
<section id="controls_added">
<h1>Controls Added</h1>
<table>
<thead>
<tr>
<th>CID</th>
<th>Title</th>
<th>Classifications</th>
<th>Compliances</th>
<th>Text</th>
</tr>
</thead>
<tbody>
<tr>
<td>7045</td>
<td>2.3.25.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p>Agencies intending to adopt public cloud technologies or services MUST develop a plan for how they intend to use these services. This plan can be standalone or part of an overarching ICT strategy.</p></td>
</tr>
<tr>
<td>7046</td>
<td>2.3.25.C.02.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p>An agency’s cloud adoption plan SHOULD cover:</p><ul>
<li>Outcomes and benefits that the adoption of cloud technologies will bring;</li>
<li>Risks introduced or mitigated through the use of cloud, and the agency’s risk tolerance;</li>
<li>Financial and cost accounting models;</li>
<li>Shared responsibility models;</li>
<li>Cloud deployment models;</li>
<li>Cloud security strategy;</li>
<li>Resilience and recovery approaches;</li>
<li>Data recovery on contract termination;</li>
<li>Cloud exit strategy and other contractual arrangements; and</li>
<li>A high level description of the foundation services that enable cloud adoption, including:
<ul>
<li>User, device and system identity;</li>
<li>Encryption and key management;</li>
<li>Information management;</li>
<li>Logging and alerting;</li>
<li>Incident management;</li>
<li>Managing privileged activities; and</li>
<li>Cost management.</li>
</ul>
</li>
</ul></td>
</tr>
<tr>
<td>7049</td>
<td>2.3.26.C.01.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p>Agencies intending to adopt public cloud technologies or services SHOULD incorporate Zero Trust philosophies and concepts.</p></td>
</tr>
<tr>
<td>7050</td>
<td>2.3.26.C.02.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p>Agencies SHOULD leverage public cloud environment native security services as part of legacy system migrations, in preference to recreating application architectures that rely on legacy perimeter controls for security.</p></td>
</tr>
<tr>
<td>7206</td>
<td>2.4.13.C.01.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p>Agencies SHOULD ensure they are aware of the latest developments in post-quantum cryptography. GCSB is tracking these developments and will continue to provide advice through the NZISM.</p></td>
</tr>
<tr>
<td>7207</td>
<td>2.4.13.C.02.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p>Agencies SHOULD maintain an inventory of sensitive and critical datasets that must be secured for an extended amount of time. This will ensure datasets that may be at risk now and decrypted once a cryptographically relevant quantum computer is available are not secured solely through the use of quantum vulnerable cryptography.</p></td>
</tr>
<tr>
<td>7208</td>
<td>2.4.13.C.03.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p>Agencies SHOULD conduct an inventory of systems using cryptographic technologies to determine the potential size and scope of future transition work once post-quantum cryptographic systems become available.</p></td>
</tr>
<tr>
<td>7209</td>
<td>2.4.13.C.04.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p>Agencies SHOULD identify which systems in their inventory rely on public key cryptography and note them as quantum vulnerable in agency risk assessments.</p></td>
</tr>
<tr>
<td>7210</td>
<td>2.4.13.C.05.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p>Agencies SHOULD determine a priority order for quantum vulnerable systems to be transitioned from classical cryptography to post-quantum cryptography.</p></td>
</tr>
<tr>
<td>7211</td>
<td>2.4.13.C.06.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p>Agencies SHOULD consider the following factors when prioritising the quantum vulnerable systems:</p>
<ul>
<li>Is the system a high value asset based on agency requirements?</li>
<li>Does the system protect sensitive information (e.g., key stores, passwords, root keys, signing keys, personal information, and classified information)?</li>
<li>Do other systems (internal or external to the agency) depend on the cryptographic protections in place on the quantum vulnerable system?</li>
<li>How long does the data need to be protected?</li>
</ul></td>
</tr>
<tr>
<td>7212</td>
<td>2.4.13.C.07.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p>Using the inventory and prioritisation information, agencies SHOULD develop a plan for system transitions upon publication of the new post-quantum cryptographic standard.</p></td>
</tr>
<tr>
<td>7084</td>
<td>3.2.10.C.04.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p>The CISO SHOULD work with system owners, system certifiers and system accreditors to determine appropriate information security policies for their systems and ensure consistency with the <a title="PSR" rel="noopener noreferrer" href="https://protectivesecurity.govt.nz/" target="_blank">Protective Security Requirements (PSR)</a> and in particular the relevant NZISM components.</p></td>
</tr>
<tr>
<td>7130</td>
<td>5.9.23.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p class="Normal-nonumbering">An agency MUST undertake a risk assessment to determine which systems and services to include in the agency’s VDP.</p></td>
</tr>
<tr>
<td>7133</td>
<td>5.9.24.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p class="Normal-nonumbering">An agency MUST develop and publish a VDP.</p></td>
</tr>
<tr>
<td>7134</td>
<td>5.9.24.C.02.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p>An agency’s VDP MUST contain at least the following core content:</p><ul>
<li>A scoping statement listing the systems the policy applies to;</li>
<li>Contact details;</li>
<li>Secure communication options (including any public keys);</li>
<li>Information the finder should include in the report;</li>
<li>Acknowledgement of reports and a response time;</li>
<li>Guidance on what forms of vulnerability testing are out of scope for reporters/finders (permitted activities);</li>
<li>Reporters/finders agreeing to not share information about the vulnerability until the end of the disclosure period, in order to allow the agency to address any issues before they become public;</li>
<li>Illegal activities are not permitted (specifying the relevant legislation, such as the Crimes Act); and</li>
<li>Either that “Bug bounties” will not be paid for any discoveries, or it should provide information about the agency’s bug bounty programme.</li>
</ul></td>
</tr>
<tr>
<td>7136</td>
<td>5.9.25.C.01.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p class="NormS5C9">An agency SHOULD publish a security.txt to permit secure communications and direct any reports to a specific agency resource, in accordance with the agency’s VDP.</p></td>
</tr>
<tr>
<td>7138</td>
<td>5.9.26.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p class="Normal-nonumbering">An agency MUST commit to addressing disclosed vulnerabilities within the timeframe it sets in its policy.</p></td>
</tr>
<tr>
<td>7139</td>
<td>5.9.26.C.02.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p class="Normal-nonumbering">An agency’s vulnerability disclosure timeframe SHOULD be set to no more than 90 days.</p></td>
</tr>
<tr>
<td>7141</td>
<td>5.9.27.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p class="NormS5C9">Agencies MUST ensure they integrate their VDP with other elements of their information security policies.</p></td>
</tr>
<tr>
<td>7524</td>
<td>11.1.15.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p>Agencies wishing to permit the use of Bluetooth MUST develop a policy that details the circumstances under which Bluetooth usage is permitted, and situations where it is not to be used.</p></td>
</tr>
<tr>
<td>7525</td>
<td>11.1.15.C.02.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p>The policy position MUST include information about Bluetooth security controls that are to be used, and methods for verifying that the controls are in place and are effective.</p></td>
</tr>
<tr>
<td>7526</td>
<td>11.1.16.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p>Agencies MUST ensure that Bluetooth pairing is only established between authorised devices. (Unless a gateway is being used, paired devices are considered to operate at the same security classification level).</p></td>
</tr>
<tr>
<td>7527</td>
<td>11.1.16.C.02.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p>Agencies SHOULD ensure that Bluetooth discovery of devices is disabled unless a new pairing connection is being established.</p></td>
</tr>
<tr>
<td>7528</td>
<td>11.1.16.C.03.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p>Agencies SHOULD ensure that Bluetooth device pairing only occurs at a location where only authorised persons have access.</p></td>
</tr>
<tr>
<td>7529</td>
<td>11.1.16.C.04.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p>Agencies SHOULD ensure that Bluetooth pairings are removed when they are no longer required.</p></td>
</tr>
<tr>
<td>7530</td>
<td>11.1.17.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p>Agencies using Bluetooth MUST use the most secure configuration supported by the paired devices.</p></td>
</tr>
<tr>
<td>7531</td>
<td>11.1.17.C.02.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p>Agencies SHOULD identify the:</p>
<ul>
<li>Bluetooth type (BR/EDR or LE), </li>
<li>version, and</li>
<li>security capabilities;</li>
</ul>
<p>for devices used to form Bluetooth connections, and ensure they are used to inform risk decisions on the use of Bluetooth.</p></td>
</tr>
<tr>
<td>7532</td>
<td>11.1.17.C.03.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p>Agencies SHOULD ensure that new Bluetooth connections between devices are authenticated using explicit user actions, such as entry of a numeric code, confirmation of a matching PIN, or other affirming action, such as challenge-response process.</p></td>
</tr>
<tr>
<td>7533</td>
<td>11.1.18.C.01.</td>
<td>Unclassified/In-Confidence</td>
<td>Should</td>
<td><p>Agencies using Bluetooth between devices to transfer UNCLASSIFIED or IN-CONFIDENCE information SHOULD ensure that connections meet NZISM standards for authentication and use Approved Cryptographic Algorithms for encryption and message integrity. </p></td>
</tr>
<tr>
<td>7534</td>
<td>11.1.18.C.02.</td>
<td>Restricted/Sensitive</td>
<td>Must</td>
<td><p>Agencies using Bluetooth between devices to transfer RESTRICTED or SENSITIVE information MUST ensure that connections meet NZISM standards for authentication and use Approved Cryptographic Algorithms for encryption and message integrity.</p></td>
</tr>
<tr>
<td>7535</td>
<td>11.1.18.C.03.</td>
<td>Restricted/Sensitive</td>
<td>Must</td>
<td><p>If Bluetooth specifications do not support these approved encryption methods, organisations MUST do a risk assessment and use the exception or waiver process to accept this risk.</p></td>
</tr>
<tr>
<td>6997</td>
<td>12.6.10.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p>Because of the risks that data can be recovered from monitors, it is essential that any redeployment or disposal of monitors MUST follow the guidance in the NZISM.</p></td>
</tr>
<tr>
<td>7165</td>
<td>13.5.24.C.03.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p class="Normal-nonumbering">Where a facility is NOT an approved facility, agencies MUST ensure any incineration equipment is rated for the destruction of electronic waste (WEEE) and the operator is properly authorised or licensed.</p></td>
</tr>
<tr>
<td>7166</td>
<td>13.5.24.C.04.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p class="Normal-nonumbering">Where a facility is NOT an approved facility, agencies MUST ensure processes are in place for the safe handling of electronic waste (WEEE), including any residual material from the destruction process.</p></td>
</tr>
<tr>
<td>7519</td>
<td>15.2.36.C.03</td>
<td>All Classifications</td>
<td>Must</td>
<td><p>Agencies MUST manage “received DMARC messages” in accordance with the agency’s published DMARC policy.</p></td>
</tr>
<tr>
<td>7520</td>
<td>15.2.36.C.05</td>
<td>All Classifications</td>
<td>Should</td>
<td><p>Agencies SHOULD produce failure reports and aggregate reports according to the agency’s DMARC policies.</p></td>
</tr>
<tr>
<td>7521</td>
<td>15.2.48.C.01.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p>Agencies SHOULD enable MTA-STS to prevent the unencrypted transfer of emails between complying servers.</p></td>
</tr>
<tr>
<td>7522</td>
<td>15.2.48.C.02.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p>Agencies MUST use TLS 1.2 or above when implementing MTA-STS.</p></td>
</tr>
<tr>
<td>7523</td>
<td>15.2.48.C.03.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p>Agencies SHOULD enable TLS reporting when implementing MTA-STS.</p></td>
</tr>
<tr>
<td>7189</td>
<td>17.2.21.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p class="Normal-nonumbering"><span>Agencies using DSA, for the approved use of digital signatures, MUST use a modulus of at least 1024 bits.</span></p></td>
</tr>
<tr>
<td>7181</td>
<td>17.2.24.C.03.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p class="Normal-nonumbering">Agencies using RSA, for the approved use of digital signatures and passing encryption session keys or similar keys, SHOULD use a modulus of at least 4096 bits.</p></td>
</tr>
<tr>
<td>7186</td>
<td>17.2.25.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p>Agencies using RSA keys within internet X.509 Public Key Infrastructure certificates MUST use a modulus of at least 2048 bits.</p></td>
</tr>
<tr>
<td>7187</td>
<td>17.2.26.C.03.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p>In all other cases when information requires integrity protection using hashing algorithms, Agencies MUST use a minimum of SHA-256.</p></td>
</tr>
<tr>
<td>7250</td>
<td>18.7.14.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p class="Normal-nonumbering"><span>Agencies MUST undertake a threat and risk assessment on the use of inverse split tunnelling prior to enabling the functionality in remote access VPN systems.</span></p></td>
</tr>
<tr>
<td>7251</td>
<td>18.7.14.C.02.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p class="Normal-nonumbering">When providing inverse split-tunnelled access to internet based services (“directly accessed services”), the following aspects SHOULD be considered as part of the threat and risk assessment:</p><ul>
<li>How do directly accessed services authenticate agency device identities prior to granting access to the service?</li>
<li>How do agency devices securely resolve internet addresses for directly accessed services?</li>
<li>How are the communications between the devices and directly accessed services secured?</li>
<li>How does an agency monitor and account for access made to directly accessed services?</li>
<li>How does an agency protect devices from compromise if they are able to directly access internet based resources, or be directly accessed from the internet?</li>
<li>How do directly accessed services authenticate the user of the agency device prior to granting access to the service (this is separate to authenticating the agency device itself)?</li>
<li>How does an agency enforce the use of multi-factor authentication with directly accessed services?</li>
<li>How does an agency authorise access to directly accessed services, and does this include from devices that are not authorised to connect to agency remote access services (authorisation and authentication are separate activities)?</li>
<li>How is access to directly accessed cloud services removed when staff no longer require access or leave the agency?</li>
</ul></td>
</tr>
<tr>
<td>7349</td>
<td>23.1.54.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p>Agencies MUST clearly identify and understand where classification, security domain, and trust zone boundaries exist <strong>prior</strong> to implementation or adoption of public cloud services.</p></td>
</tr>
<tr>
<td>7350</td>
<td>23.1.54.C.02.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p>Where multiple identity systems under different security policies are used to control access to an agency’s instance of a public cloud service, the instance MUST be considered to be in a separate security domain from services where access control is managed solely by the agency’s identity system.</p></td>
</tr>
<tr>
<td>7353</td>
<td>23.1.55.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p>Agencies MUST clearly identify and understand their cloud service provider’s security responsibilities for each service consumed, and the aspects of security that the agency is responsible for, <strong>prior</strong> to implementation or adoption of the service.</p></td>
</tr>
<tr>
<td>7354</td>
<td>23.1.55.C.02.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p>Agencies SHOULD clearly document the aspects of security they and their provider are responsible for.</p></td>
</tr>
<tr>
<td>7355</td>
<td>23.1.55.C.03.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p>Agencies SHOULD review existing security processes to ensure compatibility with their cloud service provider’s responsibilities.</p></td>
</tr>
<tr>
<td>7359</td>
<td>23.1.56.C.01.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p>Agencies SHOULD deploy and manage their cloud infrastructure using automation, version control, and infrastructure as code techniques where these are available.</p></td>
</tr>
<tr>
<td>7386</td>
<td>23.2.16.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p>Agencies MUST update their risk assessment process to account for public cloud specific risks, prior to implementation or adoption of public cloud services.</p></td>
</tr>
<tr>
<td>7387</td>
<td>23.2.16.C.02.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p>Agencies MUST undertake a cloud specific risk assessment in line with the process outlined by the GCDO for each public cloud service, prior to implementation or adoption of public cloud services.</p></td>
</tr>
<tr>
<td>7388</td>
<td>23.2.16.C.03.</td>
<td>Secret, Top Secret, Confidential</td>
<td>Must Not</td>
<td><p>Agencies MUST NOT accredit public cloud services for use with data classified CONFIDENTIAL, SECRET, or TOP SECRET.</p></td>
</tr>
<tr>
<td>7389</td>
<td>23.2.16.C.04.</td>
<td>All Classifications</td>
<td>Must Not</td>
<td><p>Agencies MUST NOT accredit public cloud services to host, process, store, or transmit NZEO endorsed information.</p></td>
</tr>
<tr>
<td>7394</td>
<td>23.2.17.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p>Agencies MUST consider risks to the availability of systems and information in their design of cloud systems architectures, supporting controls, and governance processes prior to implementation or adoption of public cloud services.</p></td>
</tr>
<tr>
<td>7397</td>
<td>23.2.18.C.01.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p class="Normal-nonumbering"><span>Agencies SHOULD obtain regular assurance checks on cloud service providers, ensuring they have been undertaken by a suitably qualified assessor.</span></p></td>
</tr>
<tr>
<td>7400</td>
<td>23.2.19.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p class="Normal-nonumbering"><span>Agencies MUST obtain assurance that cloud service providers undertake appropriate software and operating system patching and maintenance.</span></p></td>
</tr>
<tr>
<td>7404</td>
<td>23.2.20.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p class="Normal-nonumbering"><span>Agencies MUST obtain assurance that technical protections exist to adequately isolate tenants.</span></p></td>
</tr>
<tr>
<td>7407</td>
<td>23.2.21.C.01.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p>Agencies SHOULD make use of the GCSB endorsed baseline security templates where applicable. </p></td>
</tr>
<tr>
<td>7433</td>
<td>23.3.18.C.01.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p class="Normal-nonumbering"><span>Accounts used to perform privileged actions SHOULD NOT be synchronised between environments.</span></p></td>
</tr>
<tr>
<td>7436</td>
<td>23.3.19.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p class="Normal-nonumbering"><span>Where administration interfaces or portals are accessible from the internet, privileged accounts MUST be configured to use multiple factors of authentication.</span></p></td>
</tr>
<tr>
<td>7437</td>
<td>23.3.19.C.02.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p class="Normal-nonumbering"><span>Where cloud service interfaces or portals are accessible from the internet, user accounts SHOULD be configured to use multiple factors of authentication.</span></p></td>
</tr>
<tr>
<td>7440</td>
<td>23.3.20.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p class="Normal-nonumbering"><span>Staff offboarding processes MUST be updated to include removing all access to public cloud based services, prior to implementation or adoption of public cloud services.</span></p></td>
</tr>
<tr>
<td>7443</td>
<td>23.3.21.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p class="Normal-nonumbering"><span>Agencies MUST ensure that relying parties continually verify the authenticity of their identity provider’s responses, through for example, cryptographic signing of authentication requests and responses.</span></p></td>
</tr>
<tr>
<td>7446</td>
<td>23.3.22.C.01.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p class="Normal-nonumbering"><span>Agencies SHOULD ensure that relying parties use all available information from the identity provider to inform access control decisions.</span></p></td>
</tr>
<tr>
<td>7461</td>
<td>23.4.9.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p class="Normal-nonumbering"><span>For each cloud service, agencies MUST ensure that the mechanisms used to protect data meet agency requirements.</span></p></td>
</tr>
<tr>
<td>7462</td>
<td>23.4.9.C.02.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p class="Normal-nonumbering"><span>Agencies MUST update key management plans to account for differences in public cloud before storing organisational data in a public cloud environment.</span></p></td>
</tr>
<tr>
<td>7463</td>
<td>23.4.9.C.03.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p class="Normal-nonumbering"><span>Agencies MUST ensure their key management plan includes provision for migrating data from the cloud environment where it was created.</span></p></td>
</tr>
<tr>
<td>7466</td>
<td>23.4.10.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p>Agencies MUST apply the principle of least privilege and configure service endpoints to restrict access to authorised parties.</p></td>
</tr>
<tr>
<td>7469</td>
<td>23.4.11.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p class="Normal-nonumbering"><span>Agencies MUST identify where data used in conjunction with a public cloud service is stored or processed, including any replicas or backups that may be created.</span></p></td>
</tr>
<tr>
<td>7470</td>
<td>23.4.11.C.02.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p>Agency risk assessments of public cloud services MUST include any risks arising from data location. Any actions required to mitigate these risks must be identified and documented prior to implementation or adoption of public cloud services.</p></td>
</tr>
<tr>
<td>7474</td>
<td>23.4.12.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p>Agencies MUST update their disaster recovery plans prior to storing or replicating data in public cloud services, to ensure these plans address any cloud-specific aspects of backup and recovery.</p></td>
</tr>
<tr>
<td>7475</td>
<td>23.4.12.C.02.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p>When planning tests of disaster recovery processes in accordance with <a title="Backup strategy" href="http://nzism.gcsb.govt.nz/ism-document#Block-13088">6.4.6 Backup strategy</a>, agencies MUST include tests of any cloud-specific data recovery processes.</p></td>
</tr>
<tr>
<td>7511</td>
<td>23.4.13.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p class="Normal-nonumbering"><span>Agencies MUST have a defined exit strategy for each public cloud service they consume, including a process by which their data can be retrieved and erased from the cloud service as part of contract termination.</span></p></td>
</tr>
<tr>
<td>7512</td>
<td>23.4.13.C.02.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p>Agencies MUST ensure all data they need to retain is retrieved from the cloud service provider prior to decommissioning.</p></td>
</tr>
<tr>
<td>7513</td>
<td>23.4.13.C.03.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p class="NormS17C2"><span>Agencies MUST have assurance that no agency-owned data is retained on the cloud service being decommissioned.</span></p></td>
</tr>
<tr>
<td>7494</td>
<td>23.5.10.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p>Agencies MUST understand the range of logging capabilities provided by their cloud service providers and determine whether they are sufficient for agency needs.</p></td>
</tr>
<tr>
<td>7496</td>
<td>23.5.11.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p>Agencies MUST ensure that logs associated with public cloud services are collected, protected, and that their integrity can be confirmed in accordance with the agency’s documented logging requirements.</p></td>
</tr>
<tr>
<td>7498</td>
<td>23.5.12.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td><p>Agencies MUST ensure that cloud service provider logs are incorporated into overall enterprise logging and alerting systems or procedures in a timely manner to detect information security incidents.</p></td>
</tr>
<tr>
<td>7499</td>
<td>23.5.12.C.02.</td>
<td>All Classifications</td>
<td>Should</td>
<td><p>Agencies SHOULD ensure that tools and procedures used to detect potential information security incidents account for the public cloud services being consumed by the agency.</p></td>
</tr>
</tbody>
</table>
</section>
<section id="controls_removed">
<h1>Controls Removed</h1>
<table>
<thead>
<tr>
<th>CID</th>
<th>Title</th>
<th>Classifications</th>
<th>Compliances</th>
<th>Text</th>
</tr>
</thead>
<tbody>
<tr>
<td>383</td>
<td>3.3.6.C.05.</td>
<td>All Classifications</td>
<td>Should</td>
<td>ITSMs SHOULD work with system owners, systems certifiers and systems accreditors to determine appropriate information security policies for their systems and ensure consistency with the Protective Security Requirements (PSR) and in particular the relevant NZISM components.</td>
</tr>
<tr>
<td>2557</td>
<td>11.2.5.C.01.</td>
<td>Confidential, Secret, Top Secret</td>
<td>Must</td>
<td>Agencies intending to use fax machines or MFDs to send classified information MUST comply with additional requirements. Contact the GCSB for further details.</td>
</tr>
<tr>
<td>2141</td>
<td>17.2.20.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td>Agencies using DSA, for the approved use of digital signatures, MUST use a modulus of at least 1024 bits.</td>
</tr>
<tr>
<td>2161</td>
<td>17.2.27.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td>3DES MUST use either two distinct keys in the order key 1, key 2, key 1 or three distinct keys.</td>
</tr>
<tr>
<td>2170</td>
<td>17.2.28.C.01.</td>
<td>All Classifications</td>
<td>Should</td>
<td>AES implementations for symmetric encryption of data SHOULD use the Galois/Counter Mode (GCM).</td>
</tr>
</tbody>
</table>
</section>
<section id="controls_changed">
<h1>Controls Changed</h1>
<table>
<thead>
<tr>
<th>CID</th>
<th>Title</th>
<th>Classifications</th>
<th>Compliances</th>
<th>Text</th>
</tr>
</thead>
<tbody>
<tr>
<td>127</td>
<td>1.1.64.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td>System owners seeking a dispensation for non-compliance with any baseline controls in this manual MUST be granted a dispensation by their Accreditation Authority. Where High <span class="delete">Grad</span><span class="insert">Assuranc</span>e Cryptographic Systems (H<span class="insert">ACS) are implemented, the Accreditation Authority will be the Director-General </span>GCS<span class="delete">) are implemented, the Accreditation Authority will be the Director-General GCS</span>B or a formal delegate.</td>
</tr>
<tr>
<td>177</td>
<td>1.2.15.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td>Agencies undertaking system design activities for in-house or out-sourced projects MUST use the latest version of th<span class="delete">is</span><span class="insert">e</span> <span class="delete">manual</span><span class="insert">NZISM</span> for information security requirements.</td>
</tr>
<tr>
<td>178</td>
<td>1.2.15.C.02.</td>
<td>All Classifications</td>
<td>Must</td>
<td>When GCSB makes a determination that newly introduced standard, policy or guideline within th<span class="delete">is manual</span><span class="insert">e NZISM</span>, or any additional information security policy, is of particular importance, agencies MUST comply with any new specified requirements and implementation timeframes.</td>
</tr>
<tr>
<td>199</td>
<td>2.1.49.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td>Security personnel <span class="insert">MU</span>S<span class="delete">HOULD</span><span class="insert">T</span> familiarise themselves with the information security roles and services provided by New Zealand Government organisations.</td>
</tr>
<tr>
<td>255</td>
<td>2.3.27.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td>Agencies intending to adopt cloud technologies or services MUST conduct a comprehensive risk assessment, in accordance with the guidance provided by the G<span class="insert">overnment </span>C<span class="delete">I</span><span class="insert">hief Digital </span>O<span class="insert">fficer (GCDO)</span> before implementation or adoption.</td>
</tr>
<tr>
<td>283</td>
<td>3.1.8.C.02.</td>
<td>All Classifications</td>
<td>Should</td>
<td>When the agency head de<span class="delete">vo</span>l<span class="delete">v</span><span class="insert">egat</span>es their authority<span class="insert">,</span> the delegate SHOULD be <span class="insert">a senior executive who understands </span>the <span class="delete">CISO</span><span class="insert">consequences and potential impact to the business of the acceptance of residual risk</span>.</td>
</tr>
<tr>
<td>311</td>
<td>3.2.8.C.05.</td>
<td>All Classifications</td>
<td>Should</td>
<td>Where <span class="insert">mul</span>t<span class="delete">h</span><span class="insert">ipl</span>e role<span class="insert">s</span> <span class="delete">of</span><span class="insert">are held by</span> the CISO <span class="delete">is outsourced,</span><span class="insert">any</span> potential conflicts of interest<span class="delete"> in availability, response times or working with vendors</span> SHOULD be identified and carefully managed.</td>
</tr>
<tr>
<td>322</td>
<td>3.2.11.C.01.</td>
<td>All Classifications</td>
<td>Should</td>
<td>The CISO SHOULD be responsible for e<span class="insert">stablishing mechanisms and programs to e</span>nsur<span class="delete">ing</span><span class="insert">e</span> compliance with the information security policies and standards within the agency.</td>
</tr>
<tr>
<td>323</td>
<td>3.2.11.C.02.</td>
<td>All Classifications</td>
<td>Should</td>
<td>The CISO SHOULD be responsible for ensuring agency compliance with the NZISM through facilitating a continuous program of certification and accreditation <span class="delete">b</span><span class="insert">of </span>a<span class="delete">sed</span><span class="insert">ll</span> <span class="delete">on security risk man</span>age<span class="insert">ncy syste</span>m<span class="delete">ent</span><span class="insert">s</span>.</td>
</tr>
<tr>
<td>334</td>
<td>3.2.13.C.02.</td>
<td>All Classifications</td>
<td>Should</td>
<td>The CISO SHOULD liaise with agenc<span class="insert">y technolog</span>y architecture teams to ensure alignment between security and agency architectures.</td>
</tr>
<tr>
<td>391</td>
<td>3.3.8.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td>ITSMs MUST be responsible for ensuring the development, maintenance, updating and implementation of Security Risk Management Plans (SRMPs), Systems Security Plans (S<span class="delete">ecPlan</span><span class="insert">SP</span>) and any Standard Operating Procedures (SOPs) for all agency systems.</td>
</tr>
<tr>
<td>569</td>
<td>4.3.18.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td>The SecPol, SRMP, S<span class="delete">ec</span><span class="insert">S</span>P<span class="delete">lan</span>, SOPs and IRP documentation MUST be reviewed by the auditor to ensure that it is comprehensive and appropriate for the environment the system is to operate within.</td>
</tr>
<tr>
<td>634</td>
<td>4.4.12.C.03.</td>
<td>All Classifications</td>
<td>Must</td>
<td>Agencies MUST notify the Government C<span class="delete">I</span><span class="insert">hief Digital </span>O<span class="insert">fficer (GCDO)</span> where All-of-Government systems are connected to agency systems operating with expired accreditations.</td>
</tr>
<tr>
<td>675</td>
<td>4.5.18.C.03.</td>
<td>All Classifications</td>
<td>Must</td>
<td>The Accreditation Authority MUST advise the GC<span class="delete">I</span><span class="insert">D</span>O where the accreditation decision may affect any All-of-Government systems.</td>
</tr>
<tr>
<td>702</td>
<td>5.1.10.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td>Agencies MUST ensure that every system is covered by a S<span class="delete">ec</span><span class="insert">S</span>P<span class="delete">lan</span>.</td>
</tr>
<tr>
<td>718</td>
<td>5.1.15.C.01.</td>
<td>All Classifications</td>
<td>Should</td>
<td>Agencies SHOULD ensure that their SRMP, Systems Architecture, S<span class="delete">ec</span><span class="insert">S</span>P<span class="delete">lan</span>, SOPs and IRP are logically connected and consistent for each system, other agency systems and with the agency’s SecPol.</td>
</tr>
<tr>
<td>729</td>
<td>5.1.18.C.01.</td>
<td>All Classifications</td>
<td>Must</td>
<td>Agencies MUST ensure that their SecPol, SRMP, S<span class="delete">ec</span><span class="insert">S</span>P<span class="delete">lan</span>, SOPs and IRP are appropriately classified.</td>
</tr>
<tr>
<td>781</td>
<td>5.2.3.C.02.</td>
<td>All Classifications</td>
<td>Should</td>
<td>The Information Security Policy (SecPol) SHOULD include topics such as:<span class="delete">
accreditation processes;
</span><span class="insert">accreditation processes;</span>personnel responsibilities;configuration control;<span class="delete">
access control;
</span><span class="insert">access control;</span>networking and connections with other systems;<span class="delete">
physical security and media control;
</span><span class="insert">physical security and media control;</span>emergency procedures and information security incident management;<span class="delete">
change management; and