ctlogs.dev vs GuardEon: 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..

GuardEon: Agentless external attack surface & dark web monitoring platform. built by Infilux AppSec..

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

ctlogs.dev is developed by Apps34. GuardEon is developed by Infilux AppSec. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

ctlogs.dev and GuardEon serve similar External Attack Surface Management use cases: both are External Attack Surface Management tools, both cover Attack Detection, Reconnaissance, Cyber Threat Intelligence. Review the feature comparison above to determine which fits your requirements.