What are the most common initial access techniques used by Iran-based threat actors?

Phishing (spear variants), public app exploits (Fortinet, Exchange), password spraying on cloud, RMM abuse, external remote services.

How do Iranian hackers use phishing differently?

Multistep rapport-building, trusted cloud hosts like OneDrive — targeted, not mass.

What should I patch first against Iranian threats?

CISA Known Exploited Vulnerabilities: FortiOS CVEs, ProxyShell, Log4Shell.

🌐 Nation-State Threats

Iranian Hackers Stick to Cheap Tricks: Phishing, Sprays, and Lazy Patches

Your company's email inbox? Prime real estate for Iranian spies. Forget sci-fi hacks; these groups win with everyday slip-ups that cost businesses millions in breaches.

theAIcatchup Apr 09, 2026 3 min read

Network diagram showing Iranian hackers breaching via phishing and unpatched servers

⚡ Key Takeaways

Iranian groups favor cheap, repeatable tactics like phishing and password spraying over fancy malware. 𝕏
Patch CISA-listed vulns immediately—exploits give them instant footholds. 𝕏
Phishing-resistant MFA and auth monitoring block 80% of these plays. 𝕏

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#Fortinet exploits #Iranian threat actors #initial access techniques #password spraying #phishing T1566

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Originally reported by Sophos Threat Research

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