Microsoft has officially ended support for Exchange Server 2016 and 2019, marking the end of a major on-premises email era.
Enterprises still running these versions now face significant security and compliance risks, as both will receive no further patches or updates.
Google filed a lawsuit in New York to disrupt “Lighthouse,” a phishing-as-a-service network behind large-scale smishing. Consequently, the case seeks injunctions, domain seizures, and damages. For defenders, the move creates detection windows as operators pivot infrastructure so tighten filters, accelerate takedowns, and harden fraud telemetry now.
TamperedChef malware no longer hides only behind a rogue PDF editor. In its latest evolution, the campaign uses signed fake software installers, malvertising and SEO poisoning to deliver an obfuscated JavaScript backdoor via a dropped XML-scheduled task. Telemetry shows a strong footprint in the U.S. and heavy impact on healthcare, construction and manufacturing, where users often search online for product manuals and tools. This article unpacks the global infrastructure, shell-company certificates and execution chain so defenders can hunt and harden effectively.
A cluster of malicious NuGet packages plants delayed logic bombs that crash apps, corrupt databases, and disrupt Siemens S7 PLCs. Remove the dependencies, rebuild from clean mirrors, and test with date-manipulation harnesses. Lock down registries, verify publishers, and stream build/runtime logs off-box to detect abuse early.
A widespread campaign exploited the Chrome Web Store to distribute 131 rebranded extensions that hijack WhatsApp Web for automated bulk messaging. These add-ons pose a significant risk to organizations and users alike, demanding immediate review of extension governance and messaging platform protections.
Attackers abused a Chrome zero-day to install Memento spyware in targeted operations. This analysis explains the chain, highlights reliable signals to hunt, and outlines a focused 72-hour action plan.
ConnectWise has patched two critical vulnerabilities (CVE-2025-11492 & CVE-2025-11493) in its Automate platform that allowed adversary-in-the-middle attacks on software updates. MSPs and on-prem deployments must upgrade immediately to prevent malicious update injection and integrity bypass.
Harrods informed loyalty program members of a data breach tied to a third-party provider. The luxury retailer is investigating and urging customer caution.
Two British teenagers have pleaded not guilty to serious Computer Misuse Act charges over a 2024 cyberattack on Transport for London, an intrusion that disrupted digital services, exposed customer data and allegedly cost the authority about £39 million. Their case now sits at the intersection of teen cybercrime, critical-infrastructure risk and the UK’s toughest penalties for hacking.
A China-linked crew still breaks in through legacy CVEs Log4j, Struts, Confluence, GoAhead then hides behind scheduled tasks and msbuild.exe to run memory-resident payloads. They probe domain controllers with DCSync, and they target misconfigured IIS by abusing ASP.NET machine keys to deploy TOLLBOOTH with SEO cloaking. Reduce risk by patching edge services, restricting LOLBAS on servers, rotating machine keys, and alerting on replication from non-DC hosts.