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31–40 of 239 articles
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Bleeping Computer
Hackers are abusing a legitimate but long-revoked EnCase kernel driver in an EDR killer that can detect 59 security tools in attempts to deactivate them. [...]
The Hacker News
This week’s updates show how small changes can create real problems. Not loud incidents, but quiet shifts that are easy to miss until they add up. The kind that affects systems people rely on every day. Many of the stories point to the same trend: familiar tools being used in unexpected ways. Security controls are being worked on. Trusted platforms turning into weak spots. What looks routine on
The Hacker News
The Chinese hacking group known as Mustang Panda has leveraged a previously undocumented kernel-mode rootkit driver to deliver a new variant of backdoor dubbed TONESHELL in a cyber attack detected in mid-2025 targeting an unspecified entity in Asia. The findings come from Kaspersky, which observed the new backdoor variant in cyber espionage campaigns mounted by the hacking group targeting
Check Point Research
Highlights: Introduction Throughout 2025, we conducted and published several reports related to our research on the Silver Fox APT. In some of them (for example, here), the threat actor delivered the well-known ValleyRAT backdoor, also referred to as Winos or Winos4.0, as the final stage. Since this malware family is widely used, modular, and often associated with Chinese threat actors […] The post appeared first on . Cracking ValleyRAT: From Builder Secrets to Kernel Rootkits Check Point Research
The Hacker News
Microsoft on Tuesday released patches for 63 new security vulnerabilities identified in its software, including one that has come under active exploitation in the wild. Of the 63 flaws, four are rated Critical and 59 are rated Important in severity. Twenty-nine of these vulnerabilities are related to privilege escalation, followed by 16 remote code execution, 11 information disclosure, three
Check Point Research
Summary Check Point Research (CPR) identified a security vulnerability in January 2025 affecting the new Rust-based kernel component of the Graphics Device Interface (commonly known as GDI) in Windows. We promptly reported this issue to Microsoft and they fixed the vulnerability starting with OS Build 26100.4202 in the KB5058499 update preview released on May 28th 2025. In the following sections, we […] The post appeared first on . Denial of Fuzzing: Rust in the Windows kernel Check Point Research
Check Point Research
Highlights: Introduction While Microsoft Windows has steadily strengthened its security model—through features like Protected Processes (PP/PPL) and enhanced driver verification—threat actors have adapted by shifting their tactics to exploit lower-level weaknesses that bypass these protections without triggering defenses. Among the most effective of these techniques is the abuse of vulnerable kernel-mode drivers, particularly those capable […] The post appeared first on . Chasing the Silver Fox: Cat & Mouse in Kernel Shadows Check Point Research
The Hacker News
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday placed a security flaw impacting the Linux kernel in its Known Exploited Vulnerabilities (KEV) catalog, stating it has been actively exploited in the wild. The vulnerability, CVE-2023-0386 (CVSS score: 7.8), is an improper ownership bug in the Linux kernel that could be exploited to escalate privileges on susceptible
Bleeping Computer
Slovak cybersecurity company ESET says a newly patched zero-day vulnerability in the Windows Win32 Kernel Subsystem has been exploited in attacks since March 2023. [...]
The Register
Likening memory safety bugs to smallpox may not soothe sensitive C coders Rust is alive and well in the Linux kernel and is expected to translate into noticeable benefits shortly, though its integration with the largely C-oriented codebase still looks uneasy.…