PDFSIDER Malware Actively Exploited to Evade Antivirus and EDR Defenses

Security researchers have identified a sophisticated backdoor malware variant, PDFSIDER, that leverages DLL side-loading to evade endpoint detection and response (EDR) systems. The threat demonstrates advanced persistent threat (APT) tradecraft, combining evasion mechanisms with encrypted command-and-control capabilities to maintain covert…

Review: AI Strategy and Security

AI Strategy and Security is a guide for organizations planning enterprise AI programs. The book targets technology leaders, security professionals, and executives responsible for strategy, governance, and operational execution. It treats AI adoption as an organizational discipline that spans planning,…

Researchers Hijack Hacker Domain Using Name Server Delegation

Security researchers from Infoblox have successfully intercepted millions of malicious push notification advertisements by exploiting a DNS misconfiguration technique known as “lame nameserver delegation,” gaining complete visibility into a large-scale affiliate advertising operation without directly compromising any systems. The researchers…

Microsoft January 2026 Security Update Triggers Credential Prompt Failures in Remote Desktop

Microsoft’s January 2026 security update has disrupted enterprise Remote Desktop infrastructure, triggering widespread credential prompt failures that prevent users from accessing Azure Virtual Desktop and Windows 365 environments.   The problematic patch KB5074109, released January 13, 2026, introduced an authentication regression affecting Windows 11 versions…