Detectify Surface Monitoring vs FestIn: Side-by-Side Comparison (2026)

Detectify Surface Monitoring: Monitors internet-facing subdomains for vulnerabilities and misconfigurations. built by Detectify. Core capabilities include Automatic subdomain discovery and monitoring, Continuous vulnerability scanning, Payload-based security testing..

FestIn: FestIn discovers open S3 buckets associated with a domain using crawling and DNS reconnaissance techniques..

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

Detectify Surface Monitoring is developed by Detectify. FestIn is open-source with 230 GitHub stars. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Detectify Surface Monitoring and FestIn serve similar External Attack Surface Management use cases: both are External Attack Surface Management tools, both cover Misconfiguration, DNS Security. Key differences: Detectify Surface Monitoring is Commercial while FestIn is Free, FestIn is open-source. Review the feature comparison above to determine which fits your requirements.