Sibylline Situation Update Brief – Europe
Report
March 31, 2026
The fallout from the Israel-US-Iran war is spreading across Europe, where a previously unknown Islamist group has claimed a series of low-level attacks on Jewish institutions and US-linked targets. A new Sibylline report examines a shift towards low-cost, low-tech tactics designed to generate outsized impact. The assessment shows how attacks are enabled by the rapid online recruitment of young, recently radicalised individuals with little or no intelligence footprint – making them harder to detect and disrupt.
With activity already claimed in the UK and risks rising, the report sets out what this means for organisations across Europe.
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