# Cylana EASM vs IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks): side-by-side comparison (2026) [Cylana EASM](https://cybersectools.com/tools/cylana-easm) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Cylana](https://cybersectools.com/companies/cylana). [IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks)](https://cybersectools.com/tools/ivre-instrument-de-veille-sur-les-reseaux-exterieurs-or-drunk-dynamic-recon-of-unknown-networks) is a free [external attack surface management](https://cybersectools.com/categories/external-asm) solution. Features, integrations, deployment and the company behind each one, side by side. Need the answer fast? [Best Attack Surface Management Solutions for Business](https://cybersectools.com/shortlists/best-attack-surface-solutions) picks Palo Alto Networks Cortex Xpanse, Microsoft Defender EASM, Mandiant Attack Surface Management and 4 more. ## Side-by-side comparison | | Cylana EASM | 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 | | Verified | No | No | | Deployment type | Cloud | On-Premises | | Company size fit | SMB, Mid-Market, Enterprise | Mid-Market, Enterprise | | GitHub stars | – | 3,964 | | Last commit | – | Feb 2026 | | Company | Cylana | – | | Headquarters | – | – | ### Use cases and capabilities | | Cylana EASM | IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) | |---|---|---| | Network Discovery | Yes | Yes | | Subdomain Enumeration | Yes | – | | Attack Detection | Yes | – | | Reconnaissance | Yes | – | | Security Scanning | Yes | – | | Inventory | Yes | – | | Network Mapping | Yes | – | | Visibility | Yes | – | | Vulnerability | Yes | – | | Digital Risk Protection | Yes | – | | Network Scanning | – | Yes | ### Core features **Cylana EASM** 5 features listed. Sign in on the page to see them. **IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks)** No features listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Cylana EASM](https://cybersectools.com/tools/cylana-easm) 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)](https://cybersectools.com/tools/ivre-instrument-de-veille-sur-les-reseaux-exterieurs-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. ## Cylana EASM vs IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) FAQ Common questions when comparing Cylana EASM vs IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) for external attack surface management. ### What is the difference between Cylana EASM and IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks)? **Cylana EASM**: AI-powered EASM platform for digital asset discovery and monitoring. Built by Cylana. **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. ### Who makes Cylana EASM and IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks)? **Cylana EASM** is made by Cylana. **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. ### Is Cylana EASM a good alternative to IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks)? Often, yes. Cylana EASM and IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) are both External Attack Surface Management products, and both cover Network Discovery. Key differences: Cylana EASM 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. ## Related comparisons - [Cylana EASM vs Attaxion](https://cybersectools.com/compare/attaxion-vs-cylana-easm) - [Cylana EASM vs SurfaceDiff](https://cybersectools.com/compare/cylana-easm-vs-surfacediff) - [Cylana EASM vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/cylana-easm-vs-ddactic-attack-surface-discovery) - [IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) vs Attaxion](https://cybersectools.com/compare/attaxion-vs-ivre-instrument-de-veille-sur-les-reseaux-exterieurs-or-drunk-dynamic-recon-of-unknown-networks) - [IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) vs SurfaceDiff](https://cybersectools.com/compare/ivre-instrument-de-veille-sur-les-reseaux-exterieurs-or-drunk-dynamic-recon-of-unknown-networks-vs-surfacediff) - [IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) vs DDactic Attack Surface Discovery](https://cybersectools.com/compare/ddactic-attack-surface-discovery-vs-ivre-instrument-de-veille-sur-les-reseaux-exterieurs-or-drunk-dynamic-recon-of-unknown-networks) ## Alternatives to each - [See all Cylana EASM alternatives](https://cybersectools.com/alternatives/cylana-easm) - [See all IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks) alternatives](https://cybersectools.com/alternatives/ivre-instrument-de-veille-sur-les-reseaux-exterieurs-or-drunk-dynamic-recon-of-unknown-networks) --- Source: https://cybersectools.com/compare/cylana-easm-vs-ivre-instrument-de-veille-sur-les-reseaux-exterieurs-or-drunk-dynamic-recon-of-unknown-networks For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/cylana-easm.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Cylana EASM and IVRE (Instrument de veille sur les réseaux extérieurs) or DRUNK (Dynamic Recon of UNKnown networks): funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md