Putting the dampener on tamperers
Taking a dive into Sophos Tamper Protection
Cybersecurity researchers are calling attention to a series of cyber attacks that have targeted Chinese-speaking regions like Hong Kong, Taiwan, and Mainland China with a known malware called ValleyRAT. The attacks leverage a multi-stage loader dubbed PNGPlug to deliver the ValleyRAT payload, Intezer said in a technical report published last week. The infection chain commences…
Cybersecurity researchers have disclosed multiple security flaws in SimpleHelp remote access software that could lead to information disclosure, privilege escalation, and remote code execution. Horizon3.ai researcher Naveen Sunkavally, in a technical report detailing the findings, said the “vulnerabilities are trivial to reverse and exploit.” The list of identified flaws is as follows –
The China-linked threat actor known as Mustang Panda has been attributed to a cyber attack targeting an unspecified organization in Myanmar with previously unreported tooling, highlighting continued effort by the threat actors to increase the sophistication and effectiveness of their malware. This includes updated versions of a known backdoor called TONESHELL, as well as a…
Apple on Tuesday released security updates for its entire software portfolio, including a fix for a vulnerability that Google said was exploited as a zero-day in the Chrome web browser earlier this month. The vulnerability, tracked as CVE-2025-6558 (CVSS score: 8.8), is an incorrect validation of untrusted input in the browser’s ANGLE and GPU components…
Security teams face growing demands with more tools, more data, and higher expectations than ever. Boards approve large security budgets, yet still ask the same question: what is the business getting in return? CISOs respond with reports on controls and vulnerability counts – but executives want to understand risk in terms of financial exposure, operational…
Juniper Networks has released security updates to address a critical security flaw impacting Session Smart Router, Session Smart Conductor, and WAN Assurance Router products that could be exploited to hijack control of susceptible devices. Tracked as CVE-2025-21589, the vulnerability carries a CVSS v3.1 score of 9.8 and a CVS v4 score of 9.3. “An Authentication…