ConnectWise has shut down customer access to its Cloud Backup service (formerly SkyKick Cloud Backup) after hackers accessed application identities and compromised Microsoft 365 tenants. [...]
Cybersecurity researchers have discovered a malicious npm package that's part of a recently disclosed software supply chain attack campaign dubbed MALFEX. The package, named "imgdecode," was uploaded to the package registry on September 30, 2026, by a user named "malfexteste8." It has been downloaded 979 times as of writing and is still available on npm as of writing. The latest version of
Cybersecurity researchers are sounding the alarm related to an active campaign in which unknown threat actors are abusing a compromised Microsoft 365 (M365) credential belonging to ConnectWise Cloud Backup (formerly SkyKick) to gain unauthorized access to customers' M365 environments. ConnectWise Cloud Backup is a cloud-based backup and recovery service built for managed service providers (MSPs
ConnectWise (SkyKick) vendor credentials are being abused to access Microsoft 365 tenants. Disable the apps now and check your logs here.
Attackers repeatedly changed the files that AOMEI Backupper fetches from the vendor's own update servers, in windows of five to ten minutes at a time between May and July 2026, so that any copy of the Windows backup program that checked for an update during one of those windows would download and run a backdoor. Google Threat Intelligence Group, Mandiant, and ManageEngine's Threat Analysis
New whitepaper from Microsoft and NVIDIA helps enterprises manage open-weight AI model risks with a shared taxonomy, evaluations, and controls. The post Managing open-weight model risk in enterprise deployments appeared first on Microsoft Security Blog.
Microsoft says some users may have trouble turning on Smart App Control after installing this month's KB5127648 Windows 11 security update. [...]
In addition to RCE flaws, Microsoft fixed multiple information disclosure bugs and a security bypass issue in Office. The post Microsoft Patches Two Dozen RCE Flaws in Office appeared first on SecurityWeek.
Silent Lynx, a group likely based in Kazakhstan, targets Russian energy and government entities in espionage campaigns across Central Asia. Researchers from Cisco Talos and Recorded Future published a detailed paper on a threat actor they call Silent Lynx (aka UAT-6275, TAG-193), a Kazakhstan nexus group conducting espionage across Central Asia. The targets include the […]
Written by: Jayson Frost, Bryce Greathouse, Brian Meyer, John Palmisano, Rajesh Rajeshirke, Steve Rasch, John Wolfram Introduction On October 15, BeyondTrust disclosed a vulnerability, CVE-2026-102764, impacting BeyondTrust Remote Support (formerly Bomgar) appliances. BeyondTrust Remote Support is an enterprise secure remote access solution that enables IT teams to securely access and troubleshoot remote endpoints. The successful exploitation of this vulnerability results in the arbitrary uploa…
A roughly 2-year-old cyber-espionage campaign against Central Asian states appears to originate in Kazakhstan, researchers said.
Microsoft announced that Windows Server 2022 has reached the end of mainstream support and will remain in extended support until October 2031. [...]
Written by: Tyler McLellan Introduction Google Threat Intelligence Group (GTIG) and Mandiant investigated a software supply chain compromise campaign targeting the update infrastructure belonging to AOMEI Technology between April 2026 and July 2026. The threat actor conducted repeated, short-burst configuration tampering against AOMEI origin servers. Each tampering window remained active for only five to ten minutes before reverting to authentic versions. This is the first time that we have enc…
Microsoft has resolved a known issue that was causing black screens, desktop loading issues, and Explorer crashes after installing Windows 11 updates released since August. [...]
The Legal Aid Agency (LAA), an executive agency of the UK's Ministry of Justice that manages the country's Public Defender Service, says attackers who breached its IT systems in April 2025 stole records dating back to 1978. [...]
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Microsoft Windows Shell flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Microsoft Windows Shell flaw, tracked as CVE-2026-96951 (CVSS score of 8.8), to its Known Exploited Vulnerabilities (KEV) catalog. Microsoft Patch Tuesday security updates for October 2026 address a […]
Microsoft and Health-ISAC, along with the Japan Cybercrime Control Center (JC3) and a coalition of private sector companies, such as Resecurity, Cloudflare, Oracle, Proofpoint, and TRM Labs, announced the disruption of three phishing kits, CoGUI (aka NX or FA), Haozi (aka Phoenix), and Iron Man System. "Since January 2026, the threat actors behind these kits have been responsible for
Microsoft VSS remains a cornerstone of Windows data protection, but its architectural limits matter. Learn when to rely on it and when to go beyond it.
Microsoft has resolved a known issue that caused Always On VPN connection issues after installing the September 2026 Windows 11 security updates. [...]
Microsoft Patch Tuesday security updates for October 2026 address a record 1,415 vulnerabilities. Prioritize the exploited zero-day, critical bugs and potentially wormable vulnerabilities. Microsoft just shattered every patch record in the book. October 2026 brought us a staggering 1,415 new CVEs from Microsoft alone. “Well, it’s a new record release from Microsoft, again. This is […]
The tech giant worked with Japan’s National Police Agency and healthcare cybersecurity organization Health-ISAC to obtain a U.S. court order seizing and redirecting domains that were part of the infrastructure underlying YAM Store, CoGUI and Iron Man.
Microsoft uncovered a Chinese-language cybercriminal ecosystem, an interconnected network of phishing kit operators (tracked as Storm-2990), and an illicit marketplace (tracked as Storm-3119) selling tools and infrastructure for large-scale phishing. In collaboration with law enforcement agencies and other partners worldwide, Microsoft’s Digital Crimes Unit (DCU) facilitated a disruption of the ecosystem. The post The hidden network: Inside the phishing infrastructure ecosystem powering global …
Backed by a federal court order, Microsoft and Health-ISAC seized domains powering YAM Store, CoGUI, and Iron Man. The post Microsoft Disrupts Chinese-Language Phishing Market Behind 1B+ Messages appeared first on SecurityWeek.
The sixth exploited Ivanti bug this year drew attention from the feds and researchers, while a severe Microsoft vulnerability was one of more than 1,400 listed for Patch Tuesday.
A team at security firm XBOW chained three then-unknown Google Chrome bugs into a single attack that runs code on a Windows computer when the user only loads a web page, the company said. Its researchers built the attack in six days by directing AI agents running OpenAI's publicly available GPT-5.6 Sol model. Google has since confirmed all three bugs, fixed them, and paid XBOW its top $
Microsoft has confirmed that non-admin users may be unable to connect to devices via Remote Desktop after installing recent Windows updates if the "Administrator protection" security feature is enabled. [...]
Group-IB researchers analyze KGB RAT, a Windows Remote Access Trojan advertised on underground forums as being fully undetectable, featuring a built-in crypter, HVNC, credential theft, ransomware, and an unusual set of psychological harassment capabilities.
The most important is CVE-2026-96951, a security feature bypass flaw in Windows that has been exploited in the wild. The post Microsoft Patches Record 1,413 Vulnerabilities, Including Exploited Windows Zero-Day appeared first on SecurityWeek.
