Surge in Nation State Attacks on UK Firms Amid Cyber Warfare Fears

Mid‑March 2026 Infosecurity Magazine roundup: a notable surge in nation‑state attacks on UK firms and a steep rise in API attacks as adversaries increasingly prioritise vulnerability exploits (including zero‑days) over credentials. Multiple high‑impact vulnerabilities and exploit campaigns were reported — critical zero‑click n8n remote compromise, CrackArmor AppArmor privilege‑escalation, ContextCrush affecting AI toolchains, DNS‑based exfiltration in AWS Bedrock AgentCore, and actively exploited Cisco SD‑WAN flaws prompting a CISA emergency directive — alongside Microsoft Patch Tuesday fixes.