Cybersecurity
Software Security & Vulnerabilities
React2Shell Critical Vulnerability (CVE-2025-55182) - Critical RCE vulnerability in React Server Components enabling unsafe deserialization; over 50 instances remain unpatched. Exploitation surge observed December 5-8, 2025. Source: Trend Micro
Microsoft Patch Tuesday December 2025 - Fixes 57 vulnerabilities including 3 zero-days: CVE-2025-62221 (Windows kernel elevation), plus critical Office RCE flaws. Source: Malwarebytes
Google Chrome Zero-Day Fixes - December patch fixes three zero-days, marking the 8th Chrome zero-day patched in 2025. Source: Malwarebytes
SAP Critical RCE Vulnerabilities - December 2025 update delivers critical fixes for Solution Manager, Commerce Cloud, NetWeaver including three CVSS 9.0+ flaws. Source: eSecurity Planet
Network Security
ThreatsDay Bulletin: Docker Leaks & Spyware - GreyNoise observed 362 unique IP addresses across 80 countries attempting exploitation of critical vulnerabilities; Docker configuration leaks reported. Source: The Hacker News
Microsoft 2025 Patch Tuesday Year in Review - 1,130 CVEs addressed in 2025 with Elevation of Privilege vulnerabilities accounting for 38.3% of all patches. Source: Tenable
Endpoint Security
- HP Q3 2025 Threat Report - Over 57% of top malware families are information stealers; animated lures tricking users into self-infection. Source: HP
Threat Intelligence & Incident Response
Ransomware Surge in Manufacturing - Manufacturing faces 72% of Q3 ransomware cases due to security gaps and lack of expertise (Sophos report, December 9). Source: Industrial Cyber
GOLD SALEM Warlock Ransomware Tradecraft - GOLD SALEM began deploying ransomware in March 2025, gaining prominence July 2025; new tradecraft analysis released. Source: Sophos
Cyble Global Report: 5,967 Ransomware Attacks - 2025 documented 5,967 ransomware attacks representing 50% year-over-year increase; 226+ critical/high-severity vulnerabilities exploited. Source: The Cyber Express
Data Security & Privacy
Password Manager Fined £1.2M for Data Breach - UK ICO fined password manager provider £1.2M affecting up to 1.6 million people (December 11). Source: ICO
VITAS Healthcare Breach: 319K Records Exposed - Healthcare breach at VITAS undetected for over a month; 319,177 patient records stolen across 15 states. Source: eSecurity Planet
Keeper Security December Updates - Easy import of passwords, passkeys, and 2FA codes from Apple Passwords to Keeper Vault for enhanced security. Source: Keeper Security
Free Cybersecurity Courses & Certifications
- Free Cybersecurity Training Resources - Google offers free AI and ML courses for cybersecurity career advancement. Source: Instagram
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