This Week in Cybersecurity: Looking Back at Week 30
Week 30 of 2025 saw a surge in cybersecurity developments spanning policy, infrastructure vulnerabilities, advanced threat campaigns and law enforcement action. The UK took a firm stance on ransomware by introducing a public sector payment ban and mandatory reporting requirements, aiming to break the financial incentives behind these attacks. Meanwhile, a critical zero-day vulnerability in Microsoft SharePoint is being actively exploited, prompting urgent patching and mitigation efforts. Google unveiled its OSS Rebuild initiative to strengthen open-source software integrity and prevent supply chain tampering.