Need the answer fast? Best Attack Surface Management Solutions for Business picks Palo Alto Networks Cortex Xpanse, Microsoft Defender EASM, Mandiant Attack Surface Management and 4 more.See the shortlist
A network recon framework including tools for passive and active recon
Continuous external attack surface monitoring that shows what changed between scans.
Side-by-side comparison
Feature
IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks)
SurfaceDiff
Pricing model
Free
Commercial
Category
External Attack Surface Management
External Attack Surface Management
Deployment and fit
Deployment type
On-Premises
Cloud
Company size fit
Mid-Market, Enterprise
Startup, SMB, Mid-Market, Enterprise
Open source
GitHub stars
3,964
–
Last commit
Feb 2026
–
Company
Company
–
SurfaceDiff
Use cases and capabilities
Network Discovery
Yes
No
Network Scanning
Yes
Yes
DNS Security
No
Yes
Port Scanning
No
Yes
TLS
No
Yes
Subdomain Enumeration
No
Yes
Security Scanning
No
Yes
Alerting
No
Yes
Reconnaissance
No
Yes
Visibility
No
Yes
Web Security
No
Yes
Core features
No features listed
9 features listed
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Which one fits you
Based on what each listing shows: deployment, company size, price and open source.
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.
SurfaceDiff fits if you want a cloud product and you are a startup or a small business.
IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) vs SurfaceDiff FAQ
Common questions when comparing IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) vs SurfaceDiff for external attack surface management.
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.
SurfaceDiff: Continuous external attack surface monitoring that shows what changed between scans. Built by SurfaceDiff.
The table above shows where their features, integrations, deployment and company size fit differ.
IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) is open-source with 3,964 GitHub stars. SurfaceDiff is made by SurfaceDiff. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) and SurfaceDiff are both External Attack Surface Management products, and both cover Network Scanning. Key differences: IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) is Free while SurfaceDiff is Commercial, 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.
