Security Insights
Latest threat analysis, industry news, and security best practices from our expert team.
Weekly Threat Recap: Linux Kernel Exploitation and Microsoft Defender 0-Day Bypasses
Introduction This week's threat landscape serves as a stark reminder that legacy infrastructure remains the primary attack surface for sophi...
CVE-2026-41091 and Legacy Windows: CISA KEV Alert on Microsoft Defender and Active Exploits
On May 20, 2026, CISA added seven vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog based on evidence of active exploitat...
CrowdStrike Falcon OverWatch for Defender: Managed Threat Hunting Integration Guide
Introduction The debate between "best-of-suite" and "best-of-breed" security architectures has long plagued CISOs. CrowdStrike's announcemen...
Microsoft Defender False Positive: DigiCert Certs Flagged as Trojan:Win32/Cerdigent.A!dha — Detection & Remediation
Introduction A significant definition update error in Microsoft Defender has resulted in the widespread false-positive detection of legitima...
CVE-2026-33825: Microsoft Defender Access Control Exploitation — Detection and Remediation
CVE-2026-33825: Microsoft Defender Access Control Exploitation — Detection and Remediation On April 22, 2026, CISA added CVE-2026-33825 to t...
Microsoft Defender Zero-Day: Detecting SAM Database Access and NTLM Hash Theft
Microsoft Defender Zero-Day: Detecting SAM Database Access and NTLM Hash Theft Introduction A critical security vulnerability has been ident...
CVE-2024-38200 & CVE-2024-38201: Active Exploitation of Windows Defender — Detection and Hardening Guide
CVE-2024-38200 & CVE-2024-38201: Active Exploitation of Windows Defender — Detection and Hardening Guide Introduction In a disturbing shift ...
CVE-2026-21881 & CVE-2026-21882: Critical Excel RCE and Defender LPE — Detection and Remediation
Introduction This week's ThreatsDay Bulletin is a wake-up call for organizations relying on "security by obscurity" or assuming that age equ...
Microsoft Defender Zero-Days BlueHammer, RedSun, and UnDefend: Active Exploitation and Defense Guide
Introduction Defenders face a critical escalation in the threat landscape with the disclosure of three zero-day vulnerabilities in Microsoft...