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Cybersecurity researchers have discovered a new version of the ZLoader malware that employs a Domain Name System (DNS) tunnel for command-and-control (C2) communications, indicating that the threat actors are continuing to refine the tool after resurfacing a year ago. "Zloader 2.9.4.0 adds notable improvements including a custom DNS tunnel protocol for C2 communications and an interactive shell

Cybersecurity researchers have flagged a "critical" security vulnerability in Microsoft's multi-factor authentication (MFA) implementation that allows an attacker to trivially sidestep the protection and gain unauthorized access to a victim's account. "The bypass was simple: it took around an hour to execute, required no user interaction and did not generate any notification or provide the

A suspected China-based threat actor has been linked to a series of cyber attacks targeting high-profile organizations in Southeast Asia since at least October 2023. The espionage campaign targeted organizations in various sectors spanning government ministries in two different countries, an air traffic control organization, a telecoms company, and a media outlet, the Symantec Threat Hunter Team