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With Windows 10 support ending October 14, 2025, users face malware and breach risks—upgrade to Windows 11 or get ESU for patches. Learn quick steps to back up data, use antivirus, and avoid cyber threats post-support.

Microsoft alerts on cybercriminals and state actors abusing Teams' messaging, calls, and sharing for full attack lifecycle—from reconnaissance with TeamsEnum to exfiltration via GraphRunner and extortion by Octo Tempest. Harden identities, monitor anomalies, and train users to mitigate.

CISA flags CVE-2021-43226 in Windows CLFS Driver for active exploitation, enabling local attackers to gain SYSTEM privileges via buffer overflows. Impacts Win10/11 & Servers 2016-2022; federal deadline Oct 27—apply updates, monitor Event IDs 4656/4658, and scan for vulnerabilities now.

Cisco's CVE-2025-20352 stack overflow in IOS/IOS XE SNMP allows remote RCE or DoS via crafted packets; actively exploited in wild after credential compromise. Affects Meraki MS390, Catalyst 9300; patch now, mitigate with SNMP views—restrict access to trusted sources.

Microsoft’s September 2025 Patch Tuesday addresses 81 security flaws, including two publicly disclosed zero-day vulnerabilities in SMB Server and Microsoft SQL Server. Learn about critical updates and other vendor patches.

Cybercriminals use a fake Microsoft Teams download site to distribute the Odyssey macOS stealer, stealing credentials, crypto wallets, and sensitive data. Learn how to protect your Mac.

Discover PromptLock, the first AI-powered ransomware using OpenAI's gpt-oss:20b model, enabling sophisticated attacks across multiple platforms.

Discover the advanced evasion techniques and encryption methods used by the Lockbit ransomware variant targeting Linux-based ESXi servers. Learn how it operates and the implications for cybersecurity.

Microsoft has revealed a critical RCE vulnerability in Teams (CVE-2025-53783) that could let attackers read, write, and delete messages. Learn about the risks and fixes.

Hackers exploit a legitimate driver to bypass Microsoft Defender and install Akira ransomware. Learn how this vulnerability works and how to protect your PC.