News

CISA Issues Guidance to Strengthen Communications Infrastructure Against Cyber Threats

News

CISA Issues Guidance to Strengthen Communications Infrastructure Against Cyber Threats

Tuesday, February 3, 2026 Top 5 Cybersecurity Stories You Should Know 1. CISA Issues Guidance to Strengthen Communications Infrastructure Against Cyber Threats — tl;dr: The Cybersecurity and Infrastructure Security Agency (CISA), alongside other security agencies, has released a guide to enhance visibility and harden communications infrastructure against cyber espionage threats,

By Luciano Ferrari
CVE-2026-21509: Microsoft Office Zero-Day Vulnerability Under Active Exploitation

News

CVE-2026-21509: Microsoft Office Zero-Day Vulnerability Under Active Exploitation

Tuesday, January 27, 2026 Top 5 Cybersecurity Stories You Should Know 1. CVE-2026-21509: Microsoft Office Zero-Day Vulnerability Under Active Exploitation — tl;dr: Microsoft has disclosed a critical security bypass vulnerability in Office applications, tracked as CVE-2026-21509, which is actively exploited in targeted cyberattacks. This flaw allows attackers to execute unauthorized

By Luciano Ferrari