Agentless external attack surface monitoring with continuous change detection.
A network recon framework including tools for passive and active recon
Side-by-side comparison
Feature
Attack Surface Scan
IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks)
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
Mid-Market, Enterprise
Open source
GitHub stars
–
3,964
Last commit
–
Feb 2026
Company
Company
Attack Surface Scan
–
Use cases and capabilities
DNS Security
Yes
No
TLS
Yes
No
SSL
Yes
No
Subdomain Enumeration
Yes
No
Security Scanning
Yes
No
Alerting
Yes
No
Fingerprinting
Yes
No
DMARC
Yes
No
SPF
Yes
No
Security Reporting
Yes
No
Network Discovery
No
Yes
Network Scanning
No
Yes
Core features
10 features listed
No features listed
Integrations
9 integrations listed
No integrations listed
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Which one fits you
Based on what each listing shows: deployment, company size, price and open source.
Attack Surface Scan fits if you want a cloud product and you are a small business.
IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) fits if you need to run it on your own servers, you need a free product and you want an open-source product.
Attack Surface Scan vs IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) FAQ
Common questions when comparing Attack Surface Scan vs IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) for external attack surface management.
Attack Surface Scan: Agentless external attack surface monitoring with continuous change detection. Built by Attack Surface Scan.
IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks): A network recon framework including tools for passive and active recon.
The table above shows where their features, integrations, deployment and company size fit differ.
Attack Surface Scan is made by Attack Surface Scan. IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) is open-source with 3,964 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 IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) are both External Attack Surface Management products. Key differences: Attack Surface Scan is Commercial while IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) is Free, IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) is open-source. Use the table above to see where features, deployment and company size fit differ.
