diff --git a/detect_secrets/plugins/keyword.py b/detect_secrets/plugins/keyword.py
index 3b50d655..1414ffbf 100644
--- a/detect_secrets/plugins/keyword.py
+++ b/detect_secrets/plugins/keyword.py
@@ -64,6 +64,7 @@
     'contraseña',
     'contrasena',
     'recaptcha_.*key',
+    'nessus_?key',
 )
 # Includes ], ', " as closing
 CLOSING = r'[]\'"]{0,2}'
diff --git a/tests/plugins/keyword_test.py b/tests/plugins/keyword_test.py
index 41199db0..839ad6fa 100644
--- a/tests/plugins/keyword_test.py
+++ b/tests/plugins/keyword_test.py
@@ -48,6 +48,7 @@
     ('private_key "hopenobodyfindsthisone\';', None),   # Double-quote does not match single-quote)
     ('api.key = {}'.format(COMMON_SECRET), COMMON_SECRET),
     ('API-KEY = {}'.format(COMMON_SECRET), COMMON_SECRET),
+    ('nessus_key: {}'.format(COMMON_SECRET), COMMON_SECRET),
     (LONG_LINE, None),  # Long line test
 ]
 
@@ -88,6 +89,7 @@
     ('password := "somefakekey"', None),    # 'fake' in the secret
     ('some_key = "real_secret"', None),     # We cannot make 'key' a Keyword, too noisy)
     ('private_key "hopenobodyfindsthisone\';', None),  # Double-quote does not match single-quote)
+    ('nessus_key = {}"'.format(COMMON_SECRET), COMMON_SECRET),     # Last character is ignored
     (LONG_LINE, None),  # Long line test
 ]