A recently patched security flaw in Microsoft Defender SmartScreen has been exploited to deliver malicious information stealers, including ACR Stealer, Lumma Stealer, and Meduza Stealer. This vulnerability, known as CVE-2024-21412 and rated with a CVSS score of 8.1, enables attackers to bypass SmartScreen protection and distribute harmful payloads. Microsoft resolved this high-severity vulnerability in its […]
The BianLian ransomware group, known for its focus on extortion, has been observed exploiting vulnerabilities in JetBrains TeamCity software to deploy malicious PowerShell backdoors. This finding highlights BianLian’s ability to adapt and adopt new techniques to infiltrate target networks. GuidePoint Security researchers discovered a recent BianLian attack that began with exploiting a vulnerability (CVE-2024-27198 or […]