Default Password Verification Without Lockouts
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Solution Overview
Problem
Devices shipped with default user identifiers and passwords pose a security risk if not changed, as automated auditing systems may trigger security alerts and lockouts when attempting to verify if default passwords have been changed, especially in cases of hardware or software issues that reset devices to factory settings.
Innovation Solution
A method and system that enable testing of user identifiers associated with multiple devices to verify if default passwords have been changed without causing a security lockout, by attempting logins with default passwords, raising alerts for successful access, disabling unsuccessful attempts to avoid lockouts, and retesting after a predetermined interval to ensure devices have not been restored to default settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If automated auditing systems attempt logins with default passwords to verify security, then security verification is improved, but security lockouts are triggered causing service disruption
Solution Approach 1:
The system dynamically adjusts the enabled state of user identifiers based on login attempt outcomes. Successful login attempts maintain the enabled state, while unsuccessful attempts temporarily disable the identifier. This dynamic state management allows the system to adapt its behavior based on real-time conditions, resolving the contradiction between verification reliability and operational ease.
Solution Approach 2:
The system implements periodic security tests at predetermined intervals rather than continuous monitoring. By spacing out verification attempts, the system reduces the frequency of lockout triggers while maintaining security oversight. This periodic approach balances security verification needs with device accessibility.
2Measurement precision
If multiple login attempts are made to verify password changes, then detection accuracy is improved, but false security alerts are generated
Solution Approach 1:
The system enables user identifiers for testing before initiating security verification. This preliminary enabling ensures that the system is prepared to detect password changes without immediately triggering security alerts. By setting up the testing environment in advance, the system can accurately detect password changes while avoiding false alarms.
Solution Approach 2:
The system provides feedback by raising alerts only when default passwords are successfully used, rather than alerting on every login attempt. This selective feedback mechanism improves detection precision by focusing attention on actual security risks (successful unauthorized access) rather than normal authentication failures, thereby reducing false security alerts.
3Productivity
If security tests are performed frequently, then security monitoring is improved, but device lockouts increase
Solution Approach 1:
The system schedules security tests at predetermined intervals rather than performing them continuously or too frequently. This periodic timing allows sufficient time between tests to prevent accumulation of failed attempts that would trigger lockouts, while still maintaining effective security monitoring. The interval-based approach balances monitoring productivity with device accessibility reliability.
Data Source
AI summary
A method for verifying that default passwords have been changed without causing a security lockout, is provided, including enabling user identifiers associated with a plurality of devices, prior to an initial security test, identifying, a default password for a user identifier of each device, attempting a login to each device using the default password for the user identifier of each device, wherein: in response to determining that the login is successful, raising an alert against the user identifier as a security concern and maintaining an enabled state of the user identifier, in response to determining that the login is unsuccessful, disabling the user identifier so that the user identifier is in a non-enabled state, until a security lockout interval elapses, and retrying the login only for each user identifier in an enabled state during one or more subsequent security tests initiated after a predetermined alert interval.