# Threat lists (opt-in)

> Threat lists are free, keyless public lists of dangerous websites and addresses that FireAI can download once a day and check your Mac’s traffic against.

FireAI Docs (HisnLabs) · Función · Disponible desde FireAI 0.1.0
Canonical: https://hisnlabs.com/fireai/en/docs/threat-intelligence-feeds

**Dónde en FireAI:** Threats › Where the threat data comes from

Check your traffic against public threat data without sending it anywhere.

Off by default. Turn on Use public threat data and FireAI downloads: abuse.ch URLhaus, ThreatFox and Feodo Tracker, Spamhaus DROP, Phishing Army, OpenPhish, the Tor exit list, FireHOL open proxies, CISA KEV, and NIST NVD for your apps’ versions — once a day, with your traffic never sent to any of them.

- Block what a threat list confirms turns matches into an actual block, not just a flag in Threats. It’s off until you turn the first toggle on.
- Update now refreshes the lists on demand; the page also shows when they last updated and roughly how many entries each list holds.
- Google Safe Browsing (optional) adds your own API key so unknown or suspicious names are also checked with Google — only those names are sent, never all of your traffic.

> **Note:** A hosting-provider address on its own isn’t automatically treated as risky; FireAI only blocks what a list actually confirms, and an Allow rule you made for an app still wins.

The same on and off switches also appear, in short form, on Protection › Blocklists as “Threat lists” and “Block confirmed threats”. For addresses you add yourself instead, see [your own IP blocklist](https://hisnlabs.com/fireai/en/docs/ip-blocklists).

## Sigue leyendo

- [Turn on threat lists, and investigate a flagged connection](https://hisnlabs.com/fireai/es-mx/docs/turn-on-threat-lists-and-investigate.md)
- [Your own IP blocklist](https://hisnlabs.com/fireai/es-mx/docs/ip-blocklists.md)
- [What stays on your Mac, and the only times FireAI goes online by itself](https://hisnlabs.com/fireai/es-mx/docs/privacy-promise.md)

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