Aleph Search Clear vs crt.guru: Side-by-Side Comparison (2026)

Aleph Search Clear: OSINT tool for mapping & monitoring risk ecosystems on Clear & Deep Web. built by Aleph Networks. Core capabilities include Clear Web and Deep Web search and analysis, AI-powered source discovery and infosphere enrichment, Cyber exposure surface mapping and monitoring (EASM)..

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.

Aleph Search Clear differentiates with Clear Web and Deep Web search and analysis, AI-powered source discovery and infosphere enrichment, Cyber exposure surface mapping and monitoring (EASM). 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).

Aleph Search Clear is developed by Aleph Networks. 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.

Aleph Search Clear and crt.guru serve similar External Attack Surface Management use cases: both are External Attack Surface Management tools. Review the feature comparison above to determine which fits your requirements.