diff --git a/plugins/modules/zabbix_action.py b/plugins/modules/zabbix_action.py
index b6dc7d2f1..b3a35db5b 100644
--- a/plugins/modules/zabbix_action.py
+++ b/plugins/modules/zabbix_action.py
@@ -1776,7 +1776,7 @@ def main():
                     required=False,
                     choices=['agent', 'server', 'proxy']
                 ),
-                password=dict(type='str', required=False),
+                password=dict(type='str', required=False, no_log=True),
                 port=dict(type='int', required=False),
                 run_on_groups=dict(type='list', required=False),
                 run_on_hosts=dict(type='list', required=False),
@@ -1849,7 +1849,7 @@ def main():
                     required=False,
                     choices=['agent', 'server', 'proxy']
                 ),
-                password=dict(type='str', required=False),
+                password=dict(type='str', required=False, no_log=True),
                 port=dict(type='int', required=False),
                 run_on_groups=dict(type='list', required=False),
                 run_on_hosts=dict(type='list', required=False),
@@ -1918,7 +1918,7 @@ def main():
                     required=False,
                     choices=['agent', 'server', 'proxy']
                 ),
-                password=dict(type='str', required=False),
+                password=dict(type='str', required=False, no_log=True),
                 port=dict(type='int', required=False),
                 run_on_groups=dict(type='list', required=False),
                 run_on_hosts=dict(type='list', required=False),
diff --git a/plugins/modules/zabbix_discovery_rule.py b/plugins/modules/zabbix_discovery_rule.py
index a8f13508b..2375e6f2d 100644
--- a/plugins/modules/zabbix_discovery_rule.py
+++ b/plugins/modules/zabbix_discovery_rule.py
@@ -586,12 +586,12 @@ def main():
                     'Telnet']
                 ),
                 ports=dict(type='str'),
-                key=dict(type='str'),
+                key=dict(type='str', no_log=False),
                 snmp_community=dict(type='str'),
-                snmpv3_authpassphrase=dict(type='str'),
+                snmpv3_authpassphrase=dict(type='str', no_log=True),
                 snmpv3_authprotocol=dict(type='str', choices=['MD5', 'SHA']),
                 snmpv3_contextname=dict(type='str'),
-                snmpv3_privpassphrase=dict(type='str'),
+                snmpv3_privpassphrase=dict(type='str', no_log=True),
                 snmpv3_privprotocol=dict(type='str', choices=['DES', 'AES']),
                 snmpv3_securitylevel=dict(type='str', choices=['noAuthNoPriv', 'authNoPriv', 'authPriv']),
                 snmpv3_securityname=dict(type='str'),
diff --git a/plugins/modules/zabbix_host.py b/plugins/modules/zabbix_host.py
index 82e14cc4b..d360ccd07 100644
--- a/plugins/modules/zabbix_host.py
+++ b/plugins/modules/zabbix_host.py
@@ -972,9 +972,9 @@ def main():
                         contextname=dict(type='str', default=''),
                         securitylevel=dict(type='int', choices=[0, 1, 2], default=0),
                         authprotocol=dict(type='int', choices=[0, 1], default=0),
-                        authpassphrase=dict(type='str', default=''),
+                        authpassphrase=dict(type='str', default='', no_log=True),
                         privprotocol=dict(type='int', choices=[0, 1], default=0),
-                        privpassphrase=dict(type='str', default='')
+                        privpassphrase=dict(type='str', default='', no_log=True)
                     )
                 )
             ),