Tag: windows
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Microsoft Introduces Execution Containers to Secure AI Agents on Windows
Microsoft has introduced a new security architecture to safeguard autonomous AI agents on Windows, unveiling the Microsoft Execution Containers (MXC) SDK at Build 2026. The move reflects a growing industry concern: as AI agents evolve from passive assistants into autonomous systems capable of executing code, accessing files, and orchestrating workflows, they introduce significant security and…
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Microsoft testing new Cloud Rebuild Windows 11 recovery feature
Microsoft has begun testing the Cloud Rebuild recovery feature in the latest Windows 11 Insider Preview builds released for users in the Experimental channel. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/microsoft-testing-new-cloud-rebuild-windows-11-recovery-feature/
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Windows Device ID Helped Authorities Track Scattered Spider Hacking Group Member
Authorities used a persistent Windows Global Device ID, along with VPN telemetry and cloud service records, to connect the infrastructure used in a major extortion attack to a 19-year-old member of the Scattered Spider group, Peter Stokes. In a superseding criminal complaint filed in the Northern District of Illinois, the FBI outlines how Stokes, who…
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Microsoft wants to keep your AI agents from going rogue
Microsoft has introduced Microsoft Execution Containers (MXC), a cross-platform, policy-driven execution layer for AI agents on Windows and Windows Subsystem for Linux (WSL), … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/07/07/microsoft-execution-containers-ai-agents-constraints/
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Microsoft Warns Windows 11 Enterprise Devices May Boot to Black Screen After Updates
Microsoft has issued a warning to enterprise administrators about a critical issue affecting Windows 11 systems. This problem may cause devices to boot to a black screen or experience severe shell failures following recent cumulative updates. The issue, documented under KB5072911, affects Windows 11 versions 24H2 and 25H2 when updates released on or after July…
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New Java-Based QuimaRAT MaaS Built to Run on Windows, Linux, and macOS
Cybersecurity researchers have flagged a novel Java-based remote access trojan (RAT) called QuimaRAT that’s capable of targeting Windows, Linux, and macOS environments.According to LevelBlue, the cross-platform malware is advertised under a malware-as-a-service (MaaS) model, costing anywhere between $150 for one month to $1,200 for lifetime access. Other subscription tiers include $300 for First seen on…
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Scattered Spider: 19-Jähriger Hacker mittels Windows-ID getrackt
Jedes Windows-Gerät hat einen weltweit eindeutigen Identifier. Ermittler konnten damit Aktivitäten eines jungen Hackers verfolgen und ihn festnehmen. First seen on golem.de Jump to article: www.golem.de/news/scattered-spider-19-jaehriger-hacker-mittels-windows-id-getrackt-2607-210530.html
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Claude Cowork Sandbox Flaw Lets Attackers Execute Commands as Root in Hyper-V VM
A newly disclosed sandbox escape technique in Anthropic’s Claude Cowork for Windows illustrates how attackers can achieve root-level command execution inside a Hyper-Visolated Ubuntu virtual machine (VM) by exploiting design vulnerabilities in CoworkVMService and its Remote Procedure Call (RPC) interface. This issue, documented by researcher Nick McClendon from Armadin, highlights weaknesses in the interaction between…
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Why a Windows Hello PIN Beats a Password for Enterprise Security
As phishing campaigns, AI-driven identity attacks, and Windows migration planning raise authentication stakes, IT teams should recheck how Windows Hello PIN security works. The post Why a Windows Hello PIN Beats a Password for Enterprise Security appeared first on TechRepublic. First seen on techrepublic.com Jump to article: www.techrepublic.com/article/news-windows-hello-pin-security/
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Microsoft fixes bug that removed Copilot buttons in Outlook
Microsoft has fixed a known issue causing the Copilot Chat or Copilot buttons in Classic Outlook to disappear for Windows users with the Copilot Chat (Basic) license. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/microsoft-fixes-bug-that-removed-copilot-button-in-outlook/
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AI-Generated Browser Ransomware Abuses Chromium API on Windows, Linux, macOS, Android
Cybersecurity researchers have flagged a new malware artifact generated using DeepSeek that constructed a novel attack path combining “unrealistic browser-malware concepts with a real browser capability” to turn it into a working ransomware technique that runs entirely inside the browser on both Windows and Android devices.”This is the first documented case where a frontier AI…
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Cyberkriminelle kapern Windows-Rechner über manipulierte Downloads
Kaspersky warnt vor einer Kampagne mit über 90 gefälschten Domains. Angreifer nutzen präparierte Software-Downloads zur Infektion mit AsyncRAT. First seen on it-daily.net Jump to article: www.it-daily.net/it-sicherheit/cybercrime/windows-manipulierte-downloads
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Ousaban Banking Trojan Targets Iberian Bank Users with Fake PDF Lures
A Brazilian banking trojan called Ousaban is going after Windows users who bank in Spain and Portugal. Fortinet’s FortiGuard Labs identified the campaign in May 2026.It opens with a phishing PDF disguised as a corrupted file, checks that the visitor is really in Spain or Portugal, and hides its real payload inside an image.The goal…
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AI-Generated Browser Ransomware Abuses Chromium API on Windows and Android
Cybersecurity researchers have flagged a new malware artifact generated using DeepSeek that constructed a novel attack path combining “unrealistic browser-malware concepts with a real browser capability” to turn it into a working ransomware technique that runs entirely inside the browser on both Windows and Android devices.”This is the first documented case where a frontier AI…
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ToddyCat Uses Shadow Token via Remote Debug to Compromise Gmail Accounts
ToddyCat, an advanced persistent threat group long associated with targeted espionage against corporate environments, has evolved its toolkit to exploit OAuth-based authorization flows and compromise Gmail accounts without directly stealing credentials. Umbrij is deployed on Windows hosts using DLL sideloading: attackers place a malicious DLL alongside legitimately signed executables known to insecurely load libraries (examples…
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Microsoft fixes GIF functionality in the Windows Emoji Panel
Microsoft has fixed the GIF functionality in the Emoji Panel for Windows 11 and Windows Server users after the provider shut down its service. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/microsoft-fixes-gif-functionality-in-the-windows-emoji-panel/
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Google Chrome 151 Released With 382 Security Fixes for Critical Vulnerabilities
Google has promoted Chrome 151 to the stable channel for Windows, macOS and Linux, delivering a major security update that addresses 382 vulnerabilities across the browser’s core engine, graphics stack, extensions framework and cross”‘platform components. The release, dated June 30, 2026, significantly hardens Chrome against memory corruption, type confusion, and policy”‘enforcement flaws that could be…
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Researcher Analyzes 3,000 Live ClickFix Payloads, Exposing API-Driven Malware Delivery
ClickFix, the trick that fools people into running malware by hand, has quietly grown a back office.New research shows the malicious commands behind its fake “prove you’re human” pages are now handed out by API-driven servers that give each visitor the same malware in a different disguise. The same research also turned up a new…
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Hackers Use Vulnerable Windows Drivers to Kill EDR in Ransomware Attacks
Hackers increasingly rely on vulnerable, legitimately signed Windows drivers to neutralize endpoint defenses, turning defense evasion into a decisive phase of modern ransomware attacks. Over the past three years the Bring Your Own Vulnerable Driver (BYOVD) technique has migrated from research proof-of-concept into a commoditized, routinely deployed capability in ransomware-as-a-service toolkits. By abusing signed kernel…
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Microsoft extends Windows Server 2022 hotpatching to 2027
First seen on scworld.com Jump to article: www.scworld.com/brief/microsoft-extends-windows-server-2022-hotpatching-to-2027
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SimpleHelp Flaw Exploited to Deploy Malware Targeting Windows, macOS, and Linux
A SimpleHelp authentication flaw is being exploited to deploy Djinn Stealer, a cross-platform malware targeting cloud, developer, and AI credentials. The post SimpleHelp Flaw Exploited to Deploy Malware Targeting Windows, macOS, and Linux appeared first on TechRepublic. First seen on techrepublic.com Jump to article: www.techrepublic.com/article/news-simplehelp-flaw-djinn-stealer-developer-credentials/
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Windows 10 bleibt länger sicher Microsoft verschiebt Support-Ende um ein Jahr
First seen on t3n.de Jump to article: t3n.de/news/windows-10-support-ende-verschoben-2027-1749639/
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Multiple AirDrop and Quick Share Vulnerabilities Allow Attackers to Crash Devices
Tags: access, android, apple, attack, authentication, cyber, data-breach, flaw, google, vulnerability, windowsA new technical analysis has exposed six proximity-transfer flaws across Apple AirDrop, Samsung Quick Share on Android, and Google Quick Share for Windows, showing that device-sharing stacks still contain fragile pre-authentication attack surfaces that can be abused from wireless range. The findings include three AirDrop access crashes, two Quick Share protocol bypasses, and one Windows…
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PoC Released for NTLM reflection bypass Vulnerability that Emanbles SYSTEM Access on Windows Server
A proof-of-concept has been published that bypasses Microsoft’s mitigation for the NTLM reflection vulnerability tracked as CVE-2025-33073 and allows escalation to NT AUTHORITY\SYSTEM on Windows Server. The exploit leverages two conceptual weaknesses left unaddressed by the original patch: the mitigation was limited to the SMB client path, and recent SMB features let attackers coerce privileged…
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SystemBC Malware Turns Windows Machines Into SOCKS5 Proxies for Ransomware Attacks
SystemBC (also tracked as Coroxy) remains a versatile and persistent Windows malware family that operators routinely deploy to convert compromised hosts into SOCKS5 proxy gateways and to maintain remote access for follow-on operations. First observed as a payload in exploit kits around 20182019, SystemBC has evolved into a widely traded commodity tool used by multiple…
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Boss Scam Uses DLL Sideloading to Hijack WhatsApp Web and Defraud Enterprises
The new “Boss Scam” is a sharp escalation in CEO fraud: attackers now combine impersonation, Windows DLL sideloading, and WhatsApp Web session theft to turn trusted executive channels into fraud infrastructure. The campaign was highlighted in advisories tied to India’s I4C and NCTAU, which warned that attackers pose as regulators or senior bosses, deliver malicious…
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Windows BlueHammer flaw now exploited by ransomware gangs
CISA confirmed on Monday that ransomware gangs are now exploiting a Microsoft Defender privilege escalation vulnerability, dubbed BlueHammer, that has previously been abused in zero-day attacks. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/cisa-windows-bluehammer-flaw-now-exploited-by-ransomware-gangs/
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WSL containers now build and run Linux workloads on Windows
Containers power a large share of cloud-native applications, AI workloads, and testing and deployment pipelines. Developers working on Windows have long pulled in third-party … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/06/30/microsoft-linux-wsl-containers/
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Mistic Malware Blends Into Microsoft Endpoint Components Using Malicious EndpointDlp.dll
A newly identified Windows backdoor, dubbed Mistic, that has been observed in intrusions since April 2026 and appears designed for stealthy, long-term access. The malware uses DLL sideloading, in-memory execution, and self-deletion to blend into enterprise environments and minimize forensic traces. Mistic is introduced via a DLL sideloading chain that abuses a legitimate executable named…
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Microsoft extends Windows Server 2022 hotpatching until October 2027
Microsoft has extended Windows Server 2022 hotpatching until October 2027, one year after the mainstream end date of October 2026. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/microsoft-extends-windows-server-2022-hotpatching-until-october-2027/