🕵️‍♂️ Free Threat Intel Feeds CISOs Secretly Rely On 🕵️‍♂️

Behind the scenes, most CISOs quietly tap into open-source threat intelligence feeds that rival paid platforms. Here are some that consistently deliver high value at zero cost:

1️⃣ Abuse.ch Feeds – Malware, ransomware, and botnet tracking (URLhaus, SSLBL, MalwareBazaar).
🔗 https://abuse.ch

2️⃣ AlienVault OTX – Community-driven IoCs with global sharing.
🔗 https://otx.alienvault.com

3️⃣ MISP Feeds – Indicators from the popular open-source threat sharing platform.
🔗 https://www.misp-project.org/feeds/

4️⃣ Cybercrime Tracker – C2 server tracking for malware families.
🔗 http://cybercrime-tracker.net

5️⃣ PhishTank – Verified phishing URLs submitted by the community.
🔗 https://phishtank.org

6️⃣ ThreatFox – IOC sharing platform focused on malware & threat actors.
🔗 https://threatfox.abuse.ch

7️⃣ Feodo Tracker – Botnet C2 feed with real-time updates.
🔗 https://feodotracker.abuse.ch

⚡These feeds fuel SOC alerts, enrich SIEM rules, and give CISOs a tactical edge without blowing the budget.

At AUMINT.io, we push this further – simulating how attackers test these same intel gaps against your employees through spear-phishing, vishing, and real-world deception. Because knowing about threats is one thing – training humans to resist them is the real defense.

🔗 Ready to test your human threat surface? Book a free demo

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