Features, pricing, ratings, and pros and cons, compared head to head.
ctlogs.dev is a commercial external attack surface management tool by Apps34. Perimeterator is a free external attack surface management tool. Compare features, ratings, integrations, and community reviews side by side to find the best external attack surface management fit for your security stack. Independent and vendor-neutral: our scores and rankings are earned, never bought — sponsored placement is always labeled.
Based on our analysis of core features, integrations, company size fit, deployment model, here is our conclusion:
AWS-focused security teams operating on a budget will appreciate Perimeterator's distributed enumeration approach, which catches misconfigured internet-facing resources that centralized scanners often miss due to account fragmentation and permission boundaries. It's free and runs from GitHub, meaning zero procurement cycles and immediate deployment across multi-account environments. Skip this if you need managed remediation workflows or compliance reporting; Perimeterator is a discovery and enumeration tool, not a ticketing system.
Fast Certificate Transparency search and JSON API for subdomain reconnaissance.
A distributed AWS security auditing tool that continuously enumerates and scans internet-facing AWS services to identify potentially misconfigured resources.
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Common questions about comparing ctlogs.dev vs Perimeterator for your external attack surface management needs.
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..
Perimeterator: A distributed AWS security auditing tool that continuously enumerates and scans internet-facing AWS services to identify potentially misconfigured resources..
Both serve the External Attack Surface Management market but differ in approach, feature depth, and target audience.
ctlogs.dev and Perimeterator serve similar External Attack Surface Management use cases: both are External Attack Surface Management tools. Key differences: ctlogs.dev is Commercial while Perimeterator is Free, Perimeterator is open-source. Review the feature comparison above to determine which fits your requirements.
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