ctlogs.dev vs Halo Security Attack Surface Management: Side-by-Side Comparison (2026)

ctlogs.dev: Fast Certificate Transparency search and JSON API for subdomain reconnaissance. built by Apps34. Core capabilities include Real-time Certificate Transparency Search, Automated Subdomain Enumeration, High-Performance REST JSON API..

Halo Security Attack Surface Management: External attack surface mgmt platform for discovering & monitoring assets. built by Halo Security..

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

ctlogs.dev is developed by Apps34. Halo Security Attack Surface Management is developed by Halo Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

ctlogs.dev and Halo Security Attack Surface Management 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.