# Plainsea Agentic Penetration Testing Platform vs Tenet Security Platform: side-by-side comparison (2026) [Plainsea Agentic Penetration Testing Platform](https://cybersectools.com/tools/plainsea-agentic-penetration-testing-platform) is a commercial [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution by [Plainsea](https://cybersectools.com/companies/plainsea). [Tenet Security Platform](https://cybersectools.com/tools/tenet-security-platform) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Tenet Security](https://cybersectools.com/companies/tenet-security). Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | Plainsea Agentic Penetration Testing Platform | Tenet Security Platform | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Penetration Testing | Agentic AI Security | | Verified | No | No | | Deployment type | Cloud | Hybrid | | Company size fit | Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Plainsea | Tenet Security | | Headquarters | – | – | ### Use cases and capabilities | | Plainsea Agentic Penetration Testing Platform | Tenet Security Platform | |---|---|---| | AI Pentesting | Yes | – | | Penetration Testing Framework | Yes | – | | Continuous Testing | Yes | – | | Red Team | Yes | – | | Agentic AI Security | Yes | Yes | | Vulnerability Prioritization | Yes | – | | Security Reporting | Yes | – | | VAPT | Yes | – | | Security Validation | Yes | – | | LLM Security | – | Yes | | MCP Security | – | Yes | | Runtime Security | – | Yes | | Shadow AI | – | Yes | | Prompt Injection | – | Yes | | OWASP | – | Yes | | MITRE ATT&CK | – | Yes | | GenAI Security | – | Yes | | Data Exfiltration | – | Yes | ### Core features **Plainsea Agentic Penetration Testing Platform** 10 features listed. Sign in on the page to see them. **Tenet Security Platform** 10 features 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. - [Plainsea Agentic Penetration Testing Platform](https://cybersectools.com/tools/plainsea-agentic-penetration-testing-platform) fits if you want a cloud product. - [Tenet Security Platform](https://cybersectools.com/tools/tenet-security-platform) fits if you need both cloud and on-premises options and you are a small business. ## Plainsea Agentic Penetration Testing Platform vs Tenet Security Platform FAQ Common questions when comparing Plainsea Agentic Penetration Testing Platform vs Tenet Security Platform for penetration testing. ### What is the difference between Plainsea Agentic Penetration Testing Platform and Tenet Security Platform? **Plainsea Agentic Penetration Testing Platform**: Agentic AI platform for continuous, full-lifecycle penetration testing. Built by Plainsea. **Tenet Security Platform**: Runtime security platform for AI agents covering detection, protection, and validation. Built by Tenet Security. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Plainsea Agentic Penetration Testing Platform and Tenet Security Platform? **Plainsea Agentic Penetration Testing Platform** is made by Plainsea. **Tenet Security Platform** is made by Tenet Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Plainsea Agentic Penetration Testing Platform a good alternative to Tenet Security Platform? In part. Plainsea Agentic Penetration Testing Platform and Tenet Security Platform are not in the same category on CybersecTools. Both cover Agentic AI Security. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Plainsea Agentic Penetration Testing Platform vs Strike PTaaS](https://cybersectools.com/compare/plainsea-agentic-penetration-testing-platform-vs-strike-ptaas) - [Plainsea Agentic Penetration Testing Platform vs Vulneri Pentest](https://cybersectools.com/compare/plainsea-agentic-penetration-testing-platform-vs-vulneri-pentest) - [Plainsea Agentic Penetration Testing Platform vs StealthNet AI](https://cybersectools.com/compare/plainsea-agentic-penetration-testing-platform-vs-stealthnet-ai) - [Tenet Security Platform vs Strike PTaaS](https://cybersectools.com/compare/strike-ptaas-vs-tenet-security-platform) - [Tenet Security Platform vs Vulneri Pentest](https://cybersectools.com/compare/tenet-security-platform-vs-vulneri-pentest) - [Tenet Security Platform vs StealthNet AI](https://cybersectools.com/compare/stealthnet-ai-vs-tenet-security-platform) ## Alternatives to each - [See all Plainsea Agentic Penetration Testing Platform alternatives](https://cybersectools.com/alternatives/plainsea-agentic-penetration-testing-platform) - [See all Tenet Security Platform alternatives](https://cybersectools.com/alternatives/tenet-security-platform) --- Source: https://cybersectools.com/compare/plainsea-agentic-penetration-testing-platform-vs-tenet-security-platform For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/plainsea-agentic-penetration-testing-platform.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Plainsea Agentic Penetration Testing Platform and Tenet Security Platform: 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