Critical Start CTI vs Lunar: Side-by-Side Comparison (2026)

Critical Start CTI: Managed CTI service monitoring dark web & open sources for emerging threats. built by Critical Start. Core capabilities include Dark web monitoring across criminal forums, marketplaces, and chats, Weekly intelligence reporting covering ~4,000 unique data points, Strategic, operational, and tactical threat intelligence..

Lunar: Free breach monitoring platform for compromised credential detection & alerting. built by Webz.io. Core capabilities include Compromised credentials monitoring from breach dumps and infostealer logs, Stolen session cookie and access token intelligence, Forensic context including malware paths, hardware IDs, and malware families..

Both serve the Threat Intelligence Platforms market but differ in approach, feature depth, and target audience.

Critical Start CTI differentiates with Dark web monitoring across criminal forums, marketplaces, and chats, Weekly intelligence reporting covering ~4,000 unique data points, Strategic, operational, and tactical threat intelligence. Lunar differentiates with Compromised credentials monitoring from breach dumps and infostealer logs, Stolen session cookie and access token intelligence, Forensic context including malware paths, hardware IDs, and malware families.

Critical Start CTI is developed by Critical Start. Lunar is developed by Webz.io founded in 2015-01-01T00:00:00.000Z. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Critical Start CTI integrates with Information Sharing and Analysis Centers (ISACs). Lunar integrates with Flashpoint, IntSights, Riskified, AFTRDRK, Rapido and 2 more. Check integration compatibility with your existing security stack before deciding.

Critical Start CTI and Lunar serve similar Threat Intelligence Platforms use cases: both are Threat Intelligence Platforms tools, both cover Dark Web Monitoring, Cyber Threat Intelligence. Key differences: Critical Start CTI is Commercial while Lunar is Free. Review the feature comparison above to determine which fits your requirements.