Attack Surface Scan vs S3BucketList: side-by-side comparison (2026)

Attack Surface Scan: Agentless external attack surface monitoring with continuous change detection. Built by Attack Surface Scan.

S3BucketList: A Chrome extension that automatically detects and lists Amazon S3 buckets while browsing websites.

The table above shows where their features, integrations, deployment and company size fit differ.

Attack Surface Scan is made by Attack Surface Scan. S3BucketList is open-source with 124 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. Attack Surface Scan and S3BucketList are both External Attack Surface Management products. Key differences: Attack Surface Scan is Commercial while S3BucketList is Free, S3BucketList is open-source. Use the table above to see where features, deployment and company size fit differ.