Assetnote Exposure Engine vs crt.guru: Side-by-Side Comparison (2026)

Assetnote Exposure Engine: Continuous exposure detection & verification engine for attack surface mgmt. built by Assetnote. Core capabilities include Exposure classification into Vulnerabilities, Indicators, Third-Party, and Indicators of Compromise, Verified exposures with false positive reduction, Continuous exposure monitoring..

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)..

Both serve the External Attack Surface Management market but differ in approach, feature depth, and target audience.

Assetnote Exposure Engine differentiates with Exposure classification into Vulnerabilities, Indicators, Third-Party, and Indicators of Compromise, Verified exposures with false positive reduction, Continuous exposure monitoring. 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).

Assetnote Exposure Engine is developed by Assetnote founded in 2018-01-01T00:00:00.000Z. crt.guru is developed by crt.guru. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Assetnote Exposure Engine and crt.guru serve similar External Attack Surface Management use cases: both are External Attack Surface Management tools, both cover Security Scanning, Alerting, Vulnerability. Review the feature comparison above to determine which fits your requirements.