CISA and US and International Partners Publish Guidance for OT Owners and Operators

Cybersecurity researchers have warned of an actively expanding botnet dubbed Tsundere that’s targeting Windows users. Active since mid-2025, the threat is designed to execute arbitrary JavaScript code retrieved from a command-and-control (C2) server, Kaspersky researcher Lisandro Ubiedo said in an analysis published today. There are currently no details on how the botnet malware is propagated;

SolarWinds has released hot fixes to address a critical security flaw impacting its Web Help Desk software that, if successfully exploited, could allow attackers to execute arbitrary commands on susceptible systems. The vulnerability, tracked as CVE-2025-26399 (CVSS score: 9.8), has been described as an instance of deserialization of untrusted data that could result in code…

As threats proliferate and AI complicates cybersecurity, CISOs say the job is getting harder, but more companies still want cybersecurity expertise, if even on a part-time basis.

A recently patched pair of security flaws affecting Ivanti Endpoint Manager Mobile (EPMM) software has been exploited by a China-nexus threat actor to target a wide range of sectors across Europe, North America, and the Asia-Pacific region. The vulnerabilities, tracked as CVE-2025-4427 (CVSS score: 5.3) and CVE-2025-4428 (CVSS score: 7.2), could be chained to execute…

A macOS ClickFix operation spanning more than 250 front-end domains now fingerprints visitors before deciding whether to show them a malware lure, a change Microsoft Threat Intelligence tracked on infrastructure it had been watching for weeks. The server-side gate hides the malicious page from crawlers and sandboxes while presenting selected Mac users with a fake…

Google has shipped security updates to address 120 security flaws in its Android operating system as part of its monthly fixes for September 2025, including two issues that it said have been exploited in targeted attacks. The vulnerabilities are listed below – CVE-2025-38352 (CVSS score: 7.4) – A privilege escalation flaw in the Linux Kernel…