US‑Israeli Strikes Coincide With Major Cyber Disruption in Iran

Coordinated US and Israeli strikes on Iran on 28 Feb 2026 coincided with a large cyber operation that disrupted Iranian digital infrastructure. Security firms and the UK NCSC report a surge in DDoS, website defacements and unverified data‑leak claims tied to Iran‑linked state actors, hacktivists and ransomware groups, posing indirect spillover risk to government, financial and energy sectors and others.

Part of the PlainSec briefing for 2026-03-04

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