Cylana EASM vs s3viewer: side-by-side comparison (2026)
Cylana EASM is a commercial external attack surface management solution by Cylana. s3viewer is a free external attack surface management solution. Features, integrations, deployment and the company behind each one, side by side.
AI-powered EASM platform for digital asset discovery and monitoring.
A storage exploration tool that provides unified access to view publicly accessible Amazon S3 buckets, Azure Blob storage, FTP servers, and HTTP directory listings.
Side-by-side comparison
Feature
Cylana EASM
s3viewer
Pricing model
Commercial
Free
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
Cylana
–
Use cases and capabilities
Network Discovery
Yes
No
Subdomain Enumeration
Yes
No
Attack Detection
Yes
No
Reconnaissance
Yes
No
Security Scanning
Yes
No
Inventory
Yes
No
Network Mapping
Yes
No
Visibility
Yes
No
Vulnerability
Yes
No
Digital Risk Protection
Yes
No
Azure
No
Yes
S3
No
Yes
AWS
No
Yes
Misconfiguration
No
Yes
Core features
5 features listed
No features listed
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