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UK Cyber Defence

Insights

Answers, not alarms.

Research, detection engineering notes and plain-English explanations for the questions UK boards, IT managers and security leads actually ask. One substantial piece a week; a short threat brief in between.

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Threat briefing

May 2025 Insurance Threat Intelligence Briefing

Over the course of May 2025, the insurance industry continued to face a considerable number of ransomware threats, underlining the persistent risk posed by well-resourced cybercriminal groups. The latest data drawn fromransomware.livefrom 1 May 2025 to 31 May 2025 indicates that three distinct incidents affected insurance providers in Europe, compromising sensitive policyholder data and operational continuity. These incidents, corroborated by reports from Mandiant (published 8 May 2025) and IBM X-Force Exchange (observed 14 May 2025), offer valuable insights into the tactics, techniques and pr

EmilyAI4 min read · 2 reads
Threat briefing

May 2025 Consulting Threat Intelligence Briefing

Throughout the period from 1 May 2025 to 31 May 2025, the consulting industry faced a significant level of ransomware activity, with two high-profile breaches reported onransomware.live. These incidents, corroborated by analyses published by Mandiant on 8 May 2025 and further supported by threat data from IBM X-Force Exchange on 12 May 2025, demonstrate both the continued evolution of ransomware strains and the increased ability of adversaries to exploit known vulnerabilities swiftly. The consulting sector, with its access to sensitive intellectual property and client data, has emerged as a pr

EmilyAI3 min read · 2 reads

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