# Alt Security Autonomous Pentesting Platform vs second-order: side-by-side comparison (2026) [Alt Security Autonomous Pentesting Platform](https://cybersectools.com/tools/alt-security-autonomous-pentesting-platform) is a commercial [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution by [Alt Security](https://cybersectools.com/companies/alt-security). [second-order](https://cybersectools.com/tools/second-order) is a free [security scanning](https://cybersectools.com/categories/security-scanning) solution. Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | Alt Security Autonomous Pentesting Platform | second-order | |---|---|---| | Pricing model | Commercial | Free | | Category | Penetration Testing | Security Scanning | | Verified | No | No | | Deployment type | Cloud | On-Premises | | Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise | | GitHub stars | – | 408 | | Last commit | – | Jun 2025 | | Company | Alt Security | – | | Headquarters | – | – | ### Use cases and capabilities | | Alt Security Autonomous Pentesting Platform | second-order | |---|---|---| | AI Pentesting | Yes | – | | Continuous Testing | Yes | – | | Attack Paths | Yes | – | | DAST | Yes | – | | Reconnaissance | Yes | – | | OWASP | Yes | – | | Black Box Testing | Yes | – | | Vulnerability | Yes | – | | Web Security | Yes | – | | Security Scanning | – | Yes | | Subdomain Enumeration | – | Yes | ### Core features **Alt Security Autonomous Pentesting Platform** 10 features listed. Sign in on the page to see them. **second-order** No features listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Alt Security Autonomous Pentesting Platform](https://cybersectools.com/tools/alt-security-autonomous-pentesting-platform) fits if you want a cloud product. - [second-order](https://cybersectools.com/tools/second-order) fits if you need to run it on your own servers, you are a startup, you need a free product and you want an open-source product. ## Alt Security Autonomous Pentesting Platform vs second-order FAQ Common questions when comparing Alt Security Autonomous Pentesting Platform vs second-order for penetration testing. ### What is the difference between Alt Security Autonomous Pentesting Platform and second-order? **Alt Security Autonomous Pentesting Platform**: AI-autonomous pentesting platform for continuous web, API & AI app testing. Built by Alt Security. **second-order**: Second-order subdomain takeover scanner. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Alt Security Autonomous Pentesting Platform and second-order? **Alt Security Autonomous Pentesting Platform** is made by Alt Security. **second-order** is open-source with 408 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Alt Security Autonomous Pentesting Platform a good alternative to second-order? In part. Alt Security Autonomous Pentesting Platform and second-order are not in the same category on CybersecTools. Key differences: Alt Security Autonomous Pentesting Platform is Commercial while second-order is Free, second-order is open-source. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Alt Security Autonomous Pentesting Platform vs RunSybil](https://cybersectools.com/compare/alt-security-autonomous-pentesting-platform-vs-runsybil) - [Alt Security Autonomous Pentesting Platform vs AI Pentest Copilot](https://cybersectools.com/compare/ai-pentest-copilot-vs-alt-security-autonomous-pentesting-platform) - [Alt Security Autonomous Pentesting Platform vs Novee AI Pentesting](https://cybersectools.com/compare/alt-security-autonomous-pentesting-platform-vs-novee-ai-pentesting) - [second-order vs RunSybil](https://cybersectools.com/compare/runsybil-vs-second-order) - [second-order vs AI Pentest Copilot](https://cybersectools.com/compare/ai-pentest-copilot-vs-second-order) - [second-order vs Novee AI Pentesting](https://cybersectools.com/compare/novee-ai-pentesting-vs-second-order) ## Alternatives to each - [See all Alt Security Autonomous Pentesting Platform alternatives](https://cybersectools.com/alternatives/alt-security-autonomous-pentesting-platform) - [See all second-order alternatives](https://cybersectools.com/alternatives/second-order) --- Source: https://cybersectools.com/compare/alt-security-autonomous-pentesting-platform-vs-second-order For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/alt-security-autonomous-pentesting-platform.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Alt Security Autonomous Pentesting Platform and second-order: 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