Latest Interesting Cybersecurity News of the Week Summarised – Jan 19, 2026

This weekly cybersecurity news summary covers several critical incidents, including Mandiant's cloud-hosted rainbow table for cracking NTLMv1 passwords, malicious npm packages stealing OAuth tokens, and a flaw in Telegram's mobile apps that leaks users' real IP addresses. It also discusses new data exfiltration risks from Anthropic's AI coding assistant, a single-click attack on Microsoft Copilot, a claimed data breach at Nissan Motor Co., and Microsoft's disruption of the RedVDS cybercrime marketplace. Additionally, it highlights the risks of AI agents bypassing authorization and provides insights from Southeast Asian CISOs on 2026 cybersecurity predictions.