AI apps & tools ranked by security posture
The AI products teams adopt fastest — measured on the unglamorous domain-security basics.
| Name | Grade | DMARC | SPF | security.txt | llms.txt | Endpoint auth |
|---|---|---|---|---|---|---|
| ElevenLabs | B86 | Enforced | Yes | Yes | Yes | — |
| Cursor | B79 | Enforced | Yes | Yes | Yes | — |
| Perplexity | C71 | Enforced | Yes | Yes | No | — |
| Codeium / Windsurf | C64 | Enforced | Yes | No | No | — |
| Suno | C64 | Enforced | Yes | No | Yes | — |
| Midjourney | D57 | Enforced | Yes | No | No | — |
| Runway | D47 | Not enforced | Yes | No | Yes | — |
| Stability AI | D40 | Not enforced | Yes | No | No | — |