BlackLotus Becomes First UEFI Bootkit Malware to Bypass Secure Boot on Windows 11

Mar 01, 2023Ravie LakshmananEndpoint Security / Cyber Threat A stealthy Unified Extensible Firmware Interface (UEFI) bootkit called BlackLotus has become the first publicly known malware capable of bypassing Secure Boot defenses, making it a potent threat in the cyber landscape. “This bootkit can run even on fully up-to-date Windows 11 systems with UEFI Secure Boot…

New EX-22 Tool Empowers Hackers with Stealthy Ransomware Attacks on Enterprises

Feb 28, 2023Ravie LakshmananRansomware / Malware A new post-exploitation framework called EXFILTRATOR-22 (aka EX-22) has emerged in the wild with the goal of deploying ransomware within enterprise networks while flying under the radar. “It comes with a wide range of capabilities, making post-exploitation a cakewalk for anyone purchasing the tool,” CYFIRMA said in a new…