Cybersecurity Weekly Newsletter – Notepad++ hack, Office 0-Day, ESXi 0-day Ransomware Attacks and More

Weekly threat intelligence briefing reporting multiple high-risk incidents: actively exploited zero-days in Microsoft Office and ESXi, a Notepad++ supply-chain update hijack, widespread vulnerabilities and critical patches (Chrome, SolarWinds, F5), and several active malware/ransomware campaigns (Arsink, ValleyRAT, GlassWorm, Interlock) with associated IOCs and mitigation guidance.