crt.guru vs Tanium Certificate Manager: Side-by-Side Comparison (2026)

crt.guru: External TLS cert monitoring with expiry alerts, vuln scanning & compliance reports. built by crt.guru. Core capabilities include Multi-region external TLS scanning (Frankfurt, New York, Amsterdam), Certificate expiry alerts at 30, 14, 7, and 1 day intervals, Vulnerability scanning (Heartbleed, ROBOT, CCS Injection, weak ciphers)..

Tanium Certificate Manager: Digital certificate discovery, monitoring, and expiration management platform. built by Tanium. Core capabilities include Certificate discovery across IT environments, Real-time certificate visibility and status monitoring, Automated certificate expiration alerts..

Both serve the Certificate Lifecycle Management market but differ in approach, feature depth, and target audience.

crt.guru differentiates with Multi-region external TLS scanning (Frankfurt, New York, Amsterdam), Certificate expiry alerts at 30, 14, 7, and 1 day intervals, Vulnerability scanning (Heartbleed, ROBOT, CCS Injection, weak ciphers). Tanium Certificate Manager differentiates with Certificate discovery across IT environments, Real-time certificate visibility and status monitoring, Automated certificate expiration alerts.

crt.guru is developed by crt.guru. Tanium Certificate Manager is developed by Tanium. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

crt.guru and Tanium Certificate Manager serve similar Certificate Lifecycle Management use cases: both are Certificate Lifecycle Management tools, both cover Alerting. Review the feature comparison above to determine which fits your requirements.