Organizations Face Identity-Based Ransomware and Breaches
Security analysts warn on 4 Dec 2025 that identity compromise is now the primary network boundary, fueling major ransomware breaches at UK retailers M&S and Co-op Group and costing over £500 million. The article outlines credential-theft vectors—infostealers, phishing, brute-force and supply-chain exposures—and recommends zero-trust measures, MFA, least-privilege, PAM and managed detection and response to reduce breach impact.
Key Points
- 1Identify identity compromise as primary attack vector behind major ransomware incidents at UK retailers
- 2Highlight credential-theft prevalence: infostealers and social engineering drove an estimated 2.1 billion stolen credentials
- 3Recommend Zero Trust, MFA, least-privilege, PAM and MDR to limit blast radius and lateral movement
Scoring Rationale
Provides practical, industry-wide mitigation guidance and cases; limited novelty and partly reliant on secondary reporting and vendor perspectives.
Sources
Public references used for this report.
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