S3BucketList vs Vulneri ASM: side-by-side comparison (2026)
S3BucketList is a free external attack surface management solution. Vulneri ASM is a commercial external attack surface management solution by Vulneri. Features, integrations, deployment and the company behind each one, side by side.
A Chrome extension that automatically detects and lists Amazon S3 buckets while browsing websites.
ASM platform for continuous discovery and risk validation of internet-exposed assets.
Side-by-side comparison
Feature
S3BucketList
Vulneri ASM
Pricing model
Free
Commercial
Category
External Attack Surface Management
External Attack Surface Management
Deployment and fit
Deployment type
Cloud
Cloud
Company size fit
Startup, SMB, Mid-Market, Enterprise
SMB, Mid-Market, Enterprise
Open source
GitHub stars
124
–
Last commit
Aug 2025
–
Company
Company
–
Vulneri
Use cases and capabilities
Enumeration
Yes
No
Browser Security
Yes
No
Reconnaissance
Yes
Yes
S3
Yes
No
AWS
Yes
No
Attack Paths
No
Yes
Vulnerability Prioritization
No
Yes
Misconfiguration
No
Yes
Network Discovery
No
Yes
Visibility
No
Yes
Security Reporting
No
Yes
Inventory
No
Yes
Third Party Security
No
Yes
Vulnerability
No
Yes
Core features
No features listed
10 features listed
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