s3viewer vs ThreatDefence Integrated ASM: side-by-side comparison (2026)
s3viewer is a free external attack surface management solution. ThreatDefence Integrated ASM is a commercial external attack surface management solution by ThreatDefence. Features, integrations, deployment and the company behind each one, side by side.
A storage exploration tool that provides unified access to view publicly accessible Amazon S3 buckets, Azure Blob storage, FTP servers, and HTTP directory listings.
ASM platform monitoring external attack surface, dark web leaks & 3rd-party risks.
Side-by-side comparison
Feature
s3viewer
ThreatDefence Integrated ASM
Pricing model
Free
Commercial
Category
External Attack Surface Management
External Attack Surface Management
Deployment and fit
Deployment type
Cloud
Cloud
Company size fit
SMB, Mid-Market, Enterprise
SMB, Mid-Market, Enterprise
Open source
GitHub stars
448
–
Last commit
Jul 2023
–
Company
Company
–
ThreatDefence
Use cases and capabilities
Azure
Yes
No
S3
Yes
No
AWS
Yes
No
Misconfiguration
Yes
Yes
Dark Web Monitoring
No
Yes
Vulnerability
No
Yes
DNS Security
No
Yes
SSL
No
Yes
Digital Risk Protection
No
Yes
Third Party Security
No
Yes
IoT Security
No
Yes
Subdomain Enumeration
No
Yes
Core features
No features listed
10 features listed
Integrations
No integrations listed
1 integration listed
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