# ctlogs.dev vs Guardz External Footprint: side-by-side comparison (2026) [ctlogs.dev](https://cybersectools.com/tools/ctlogsdev) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Apps34](https://cybersectools.com/companies/apps34). [Guardz External Footprint](https://cybersectools.com/tools/guardz-external-footprint) is a commercial [external attack surface management](https://cybersectools.com/categories/external-asm) solution by [Guardz](https://cybersectools.com/companies/guardz). 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, Google Mandiant Attack Surface Management and 4 more. ## Side-by-side comparison | | ctlogs.dev | Guardz External Footprint | |---|---|---| | Pricing model | Commercial | Commercial | | Category | External Attack Surface Management | External Attack Surface Management | | Verified | Verified | No | | Deployment type | Cloud | Cloud | | Company size fit | Startup | SMB, Mid-Market, Enterprise | | Company | Apps34 | Guardz | | Headquarters | – | – | ### Use cases and capabilities | | ctlogs.dev | Guardz External Footprint | |---|---|---| | Reconnaissance | Yes | – | | OSINT | Yes | – | | SSL | Yes | Yes | | TLS | Yes | Yes | | REST API | Yes | – | | Cyber Threat Intelligence | Yes | – | | DNS Security | Yes | Yes | | Attack Detection | Yes | – | | Subdomain Enumeration | Yes | – | | Dark Web Monitoring | – | Yes | | Multi Tenancy | – | Yes | ### Core features **ctlogs.dev** - Real-time Certificate Transparency Search - Automated Subdomain Enumeration - High-Performance REST JSON API - Wildcard & Fingerprint Matching - SSL/TLS Certificate History Tracking - Attack Surface Mapping - Historical Log Archiving - Instant Domain & Issuer Filtering **Guardz External Footprint** 10 features listed. Sign in on the page to see them. ### Integrations **ctlogs.dev** - REST API - cURL - Python - JSON - Webhooks - SIEM **Guardz External Footprint** 2 integrations listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [ctlogs.dev](https://cybersectools.com/tools/ctlogsdev) fits if you are a startup. - [Guardz External Footprint](https://cybersectools.com/tools/guardz-external-footprint) fits if you are a small business or a mid-market company or an enterprise. ## ctlogs.dev vs Guardz External Footprint FAQ Common questions when comparing ctlogs.dev vs Guardz External Footprint for external attack surface management. ### What is the difference between ctlogs.dev and Guardz External Footprint? **ctlogs.dev**: Fast Certificate Transparency search and JSON API for subdomain reconnaissance, built by Apps34. Core capabilities include Real-time Certificate Transparency Search, Automated Subdomain Enumeration, High-Performance REST JSON API. **Guardz External Footprint**: External attack surface monitoring with dark web intelligence and scanning, built by Guardz. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes ctlogs.dev and Guardz External Footprint? **ctlogs.dev** is made by Apps34. **Guardz External Footprint** is made by Guardz. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is ctlogs.dev a good alternative to Guardz External Footprint? Often, yes. ctlogs.dev and Guardz External Footprint are both External Attack Surface Management products, and both cover DNS Security, SSL, TLS. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [ctlogs.dev vs GuardEon](https://cybersectools.com/compare/ctlogsdev-vs-guardeon) - [ctlogs.dev vs ThreatDefence Integrated ASM](https://cybersectools.com/compare/ctlogsdev-vs-threatdefence-integrated-asm) - [ctlogs.dev vs ArmorPoint Attack Surface Management](https://cybersectools.com/compare/armorpoint-attack-surface-management-vs-ctlogsdev) - [Guardz External Footprint vs GuardEon](https://cybersectools.com/compare/guardeon-vs-guardz-external-footprint) - [Guardz External Footprint vs ThreatDefence Integrated ASM](https://cybersectools.com/compare/guardz-external-footprint-vs-threatdefence-integrated-asm) - [Guardz External Footprint vs ArmorPoint Attack Surface Management](https://cybersectools.com/compare/armorpoint-attack-surface-management-vs-guardz-external-footprint) ## Alternatives to each - [See all ctlogs.dev alternatives](https://cybersectools.com/alternatives/ctlogsdev) - [See all Guardz External Footprint alternatives](https://cybersectools.com/alternatives/guardz-external-footprint) --- Source: https://cybersectools.com/compare/ctlogsdev-vs-guardz-external-footprint For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/ctlogsdev.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on ctlogs.dev and Guardz External Footprint: 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