TTPwire Vol. 1 · MITRE ATT&CK·Tagged

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F5 Labs

HashJack Attack Targets AI Browsers and Agentic AI Systems

2025-12-05 · Read original ↗

ATT&CK techniques detected

1 predictions
T1189Drive-by Compromise
48%
“hashjack attack targets ai browsers and agentic ai systems introduction in november 2025, security researchers at cato networks disclosed a novel indirect prompt injection technique they named ‘ hashjack ’. this attack method exploits the url fragment to embed malicious instructi…”

Summary

A new wave of client-side attacks bypasses enterprise defenses.