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The threat actors behind the BlackByte ransomware group have been observed likely exploiting a recently patched security flaw impacting VMware ESXi hypervisors, while also leveraging various vulnerable drivers to disarm security protections. "The BlackByte ransomware group continues to leverage tactics, techniques, and procedures (TTPs) that have formed the foundation of its tradecraft since its

In recent investigations, Talos Incident Response has observed the BlackByte ransomware group using techniques that depart from their established tradecraft. Read the full analysis.

Linux has an issue where landlock can be disabled thanks to a missing cred_transfer hook.

Debian Linux Security Advisory 5749-1 - Chris Williams discovered a flaw in the handling of mounts for persistent directories in Flatpak, an application deployment framework for desktop apps. A malicious or compromised Flatpak app using persistent directories could take advantage of this flaw to access files outside of the sandbox.

In K7 Ultimate Security versions prior to 17.0.2019, the driver file (K7RKScan.sys - this version 15.1.0.7) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of a null pointer dereference from IOCtl 0x222010 and 0x222014. At the same time, the drive is accessible to all users in the "Everyone" group.

Pentney and his team are threat hunters and researchers who contribute to Talos’ research and reports shared with government and private sector partners.

The prolific ransomware group has shifted away from phishing as the method of entry into corporate networks, and is now using initial access brokers as well as its own tools to optimize its most recent attacks.

Apple Security Advisory 07-29-2024-8 - tvOS 17.6 addresses bypass, information leakage, integer overflow, out of bounds access, out of bounds read, and use-after-free vulnerabilities.

A recently patched security flaw impacting VMware ESXi hypervisors has been actively exploited by "several" ransomware groups to gain elevated permissions and deploy file-encrypting malware. The attacks involve the exploitation of CVE-2024-37085 (CVSS score: 6.8), an Active Directory integration authentication bypass that allows an attacker to obtain administrative access to the host. "A

The remote access trojan known as Gh0st RAT has been observed being delivered by an "evasive dropper" called Gh0stGambit as part of a drive-by download scheme targeting Chinese-speaking Windows users. These infections stem from a fake website ("chrome-web[.]com") serving malicious installer packages masquerading as Google's Chrome browser, indicating that users searching for the software on the