ctlogs.dev vs s3viewer: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros and cons, compared head to head.
ctlogs.dev is a commercial external attack surface management tool by Apps34. s3viewer 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.
CST VerdictBased on our analysis of core features, integrations, company size fit, deployment model, here is our conclusion:
Security teams conducting external attack surface reconnaissance on cloud infrastructure should use s3viewer for its speed in discovering publicly exposed storage across multiple cloud providers and protocols from a single interface. The tool is free and requires no credentials to operate, making it immediately deployable for red team assessments or initial exposure audits without procurement friction. Skip this if you need ongoing monitoring or remediation workflows; s3viewer is a point-in-time discovery tool, not a continuous posture management platform.
Data verified Sep 2026
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