GuardEon vs Sublist3r: side-by-side comparison (2026)
GuardEon is a commercial external attack surface management solution by Infilux AppSec. Sublist3r is a free external attack surface management solution. Features, integrations, deployment and the company behind each one, side by side.
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Agentless external attack surface & dark web monitoring platform.
Sublist3r is a python tool for enumerating subdomains using OSINT and various search engines.
Side-by-side comparison
Feature
GuardEon
Sublist3r
Pricing model
Commercial
Free
Category
External Attack Surface Management
External Attack Surface Management
Deployment and fit
Deployment type
Cloud
On-Premises
Company size fit
SMB, Mid-Market, Enterprise
Startup, SMB, Mid-Market, Enterprise
Open source
GitHub stars
–
10,855
Last commit
–
Jul 2020
Company
Company
Infilux AppSec
–
Use cases and capabilities
Dark Web Monitoring
Yes
No
Digital Risk Protection
Yes
No
Attack Detection
Yes
No
Threat Feed
Yes
No
Reconnaissance
Yes
No
Supply Chain Security
Yes
No
Visibility
Yes
No
Cyber Threat Intelligence
Yes
No
Bug Bounty
No
Yes
OSINT
No
Yes
Subdomain Enumeration
No
Yes
Core features
10 features listed
No features listed
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