Tag: windows
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Kritischer Designfehler in delegierten ManagedAccounts in Windows-Server-2025
Semperis hat neue Forschungsergebnisse zu veröffentlicht, einem kritischen Designfehler in delegierten Managed-Service-Accounts (dMSA) in Windows-Server-2025. Die Schwachstelle kann zu schweren Angriffen führen, die domänenübergreifende laterale Bewegungen und dauerhaften Zugriff auf alle Managed-Service-Accounts und ihre Ressourcen in Active-Directory auf unbestimmte Zeit ermöglichen. Der Golden-dMSA-Angriff nutzt eine kryptografische Schwachstelle aus, die Microsofts neueste Sicherheitsinnovation in […] First…
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LameHug: first AI-Powered malware linked to Russia’s APT28
LameHug malware uses AI to create data-theft commands on infected Windows systems. Ukraine links it to the Russia-nexus APT28 group. Ukrainian CERT-UA warns of a new malware strain dubbed LameHug that uses a large language model (LLM) to generate commands to be executed on compromised Windows systems. Ukrainian experts attribute the malware to the Russia-linked…
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Office-Supportende: Makro-Desaster verhindern
Das Support-Ende für Office 2016 und 2019 naht. Wie steht’s um Ihre Makro-Richtlinien?Das bevorstehende Ende des Lebenszyklus von Windows 10 hält die IT-Teams in Unternehmen derzeit auf Trab. Allerdings stehen weitere wichtige End-of-Life-Termine für Microsoft-Produkte an, die IT- und Security-Teams auf dem Zettel haben sollten.Denn im Oktober endet sowohl der Support für Office 2016 und…
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Golden dMSA Flaw Exposes Firms to Major Credential Theft
Semperis Warns of Flaw in Windows Server 2025 Delegated Managed Service Accounts. A critical cryptographic flaw in Windows Server 2025’s delegated Managed Service Accounts, or dMSAs, allows attackers to generate passwords for every managed service account across an Active Directory forest and create a backdoor, Semperis researchers found. First seen on govinfosecurity.com Jump to article:…
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LameHug malware uses AI LLM to craft Windows data-theft commands in real-time
A novel malware family named LameHug is using a large language model (LLM) to generate commands to be executed on compromised Windows systems. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/lamehug-malware-uses-ai-llm-to-craft-windows-data-theft-commands-in-real-time/
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Windows Server 2025: Authentication Bypass mit Golden dMSA
In Windows Server 2025 wurden delegated Managed Service Accounts (dMSA) neu eingeführt. Deren Design ermöglicht schwerwiegende Angriffe auf Managed Service Accounts und Active Directory-Ressourcen. Semperis-Research hat nun mit Golden dMSA ein Tool entwickelt, das die Logik des Angriffs enthält und … First seen on borncity.com Jump to article: www.borncity.com/blog/2025/07/17/windows-server-2025-authentication-bypass-mit-golden-dmsa/
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H2Miner Targets Linux, Windows, and Containers to Illicitly Mine Monero
FortiGuard Labs researchers have uncovered a sophisticated cryptomining campaign where the H2Miner botnet, active since late 2019, has expanded its operations to target Linux, Windows, and containerized environments simultaneously. The campaign represents a significant evolution in cross-platform cryptocurrency mining attacks, with threat actors leveraging updated scripts and infrastructure to maximize financial gains from compromised systems.…
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Windows Secure Boot Certificate Expired in June, Microsoft Issues Warning
Microsoft has issued an urgent warning to Windows users about an impending security certificate expiration that could significantly impact device functionality. The tech giant announced that Secure Boot certificates used by most Windows devices are scheduled to expire starting in June 2026, potentially affecting the ability of personal and business computers to boot securely if…
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Critical Golden dMSA Attack in Windows Server 2025 Enables Cross-Domain Attacks and Persistent Access
Cybersecurity researchers have disclosed what they say is a “critical design flaw” in delegated Managed Service Accounts (dMSAs) introduced in Windows Server 2025.”The flaw can result in high-impact attacks, enabling cross-domain lateral movement and persistent access to all managed service accounts and their resources across Active Directory indefinitely,” Semperis said in a report shared with…
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Node.js Vulnerabilities Leave Windows Apps Vulnerable to Path Traversal and HashDoS
The Node.js project has released critical security updates across multiple release lines to address two high-severity vulnerabilities that pose significant risks to Windows applications and could enable denial-of-service attacks. The vulnerabilities, identified as CVE-2025-27210 and CVE-2025-27209, affect active Node.js release lines including versions 20.x, 22.x, and 24.x, prompting immediate security patches released on July 15,…
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Windows KB5064489 emergency update fixes Azure VM launch issues
Microsoft has released an emergency update to fix a bug that prevents Azure virtual machines from launching when the Trusted Launch setting is disabled and Virtualization-Based Security (VBS) is enabled. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/windows-kb5064489-emergency-update-fixes-azure-vm-launch-issues/
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State-Backed HazyBeacon Malware Uses AWS Lambda to Steal Data from SE Asian Governments
Governmental organizations in Southeast Asia are the target of a new campaign that aims to collect sensitive information by means of a previously undocumented Windows backdoor dubbed HazyBeacon.The activity is being tracked by Palo Alto Networks Unit 42 under the moniker CL-STA-1020, where “CL” stands for “cluster” and “STA” refers to “state-backed motivation.””The threat actors…
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Ransomware Threat Grows as Attackers Move Into VMware and Linux
Linux has been the reliable backbone of business infrastructure for many years; it powers 96% of the top million web servers worldwide and more than 80% of workloads in public clouds. Its reputation for reliability and inherent security has long shielded it from the intense scrutiny faced by Windows environments. However, this era of relative…
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NCC Advises Immediate Windows 11 Upgrade to Strengthen Cyberattack Defenses
The National Cyber Security Centre (NCSC) has unveiled its latest recommended configuration packs for Microsoft Windows operating systems, designed to streamline the deployment of baseline security settings. These packs distill essential configurations into a minimal set that balances usability with tangible security enhancements, obviating the need for organizations to manually evaluate hundreds of parameters. By…
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BSI warnt vor Supportende: Windows 10 wird unsicher, Wechsel empfohlen
Das Ende des Windows-10-Supports rückt näher. Das BSI drängt auf einen zügigen Wechsel – etwa auf Windows 11, MacOS oder Linux. First seen on golem.de Jump to article: www.golem.de/news/bsi-warnt-vor-supportende-windows-10-wird-unsicher-wechsel-empfohlen-2507-198104.html
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Windows 10: Solange bekommen Microsoft 365-Apps noch Updates
Microsoft hat nun Fristen genannt, ab denen die Versorgung mit Sicherheitsupdates für Microsoft 365-Apps unter Windows 10 nach dem 14. Oktober 2025 enden wird, stellt aber überraschenderweise sogar noch Funktionsupdates bereit. Es wird ein gestuftes Auslaufen dieser Funktionsupdates geben. Support-Ende … First seen on borncity.com Jump to article: www.borncity.com/blog/2025/07/15/windows-10-solange-bekommen-microsoft-365-apps-noch-updates/
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Brits clinging to Windows 10 face heightened risk, says NCSC
Businesses and consumers alike may not feel the need to upgrade to Windows 11 as its predecessor approaches end-of-life, but they are putting their own security at risk, says the NCSC First seen on computerweekly.com Jump to article: www.computerweekly.com/news/366627540/Brits-clinging-to-Windows-10-face-heightened-risk-says-NCSC
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NCSC Urges Enterprises to Upgrade to Microsoft Windows 11 to Avoid Cyber Threats
The NCSC has warned that there are still a significant number of organizations using Windows 10, which will soon be unsupported with security updates First seen on infosecurity-magazine.com Jump to article: www.infosecurity-magazine.com/news/ncsc-urges-upgrade-microsoft/
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Windows 10: BSI warnt vor zunehmender Unsicherheit und rät zum Wechsel
First seen on datensicherheit.de Jump to article: www.datensicherheit.de/windows-10-bsi-warnung-zunahme-unsicherheit-rat-wechsel
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Microsoft Explains How to Find and Stop Processes Blocking Files in Windows
Microsoft has provided comprehensive guidance on resolving one of Windows users’ most frustrating issues: the dreaded >>The process cannot access the file because it is being used by another process
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Windows 10 Support-Ende 2025 – Zwischen teurem Support und digitaler Souveränität
Tags: windowsFirst seen on security-insider.de Jump to article: www.security-insider.de/zwischen-teurem-support-und-digitaler-souveraenitaet-a-13f631a1eb6984f1894f9e28346eb0cf/
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KongTuke Campaign Deploys Modified Interlock RAT Using FileFix Method Against Windows Environments
Researchers from The DFIR Report, collaborating with Proofpoint, have uncovered a resilient PHP-based variant of the Interlock ransomware group’s remote access trojan (RAT), marking a significant evolution from the previously documented JavaScript-driven NodeSnake. This adaptation, observed in campaigns linked to the LandUpdate808 threat cluster also known as KongTuke has been active since May 2025, exploiting…
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Windows 10 KB5062554 update breaks emoji panel search feature
The search feature for the Windows 10 emoji panel is broken after installing the KB5062554 cumulative update released Tuesday, making it not possible to look up emojis by name or keyword. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/windows-10-kb5062554-update-breaks-emoji-panel-search-feature/
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Week in review: Microsoft fixes wormable RCE bug on Windows, check for CitrixBleed 2 exploitation
Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: Microsoft fixes critical wormable Windows flaw (CVE-2025-47981) For July 2025 … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2025/07/13/week-in-review-microsoft-fixes-wormable-rce-bug-on-windows-check-for-citrixbleed-2-exploitation/
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New Windows 11 build adds self-healing “quick machine recovery” feature
New recovery mode lets Microsoft fix “widespread boot issues” affecting PCs. First seen on arstechnica.com Jump to article: arstechnica.com/gadgets/2025/07/new-windows-11-build-adds-self-healing-quick-machine-recovery-feature/
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Infostealers Targeting macOS Users in Active Campaigns to Steal Sensitive Data
MacOS infostealers are becoming a powerful and underappreciated method of data exfiltration in a world where Windows-centric threats predominate. They act as predecessors to ransomware deployments and significant breaches. These malware variants, often distributed via Malware-as-a-Service (MaaS) models, meticulously harvest sensitive host data, including installed applications, browser-stored credentials, session cookies, and autofill details. This pilfered…
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Windows 11 Users Encounter New Black Screen of Death Update
Microsoft has released Windows 11 Build 26100.4762 (KB5062660) to Insiders in the Release Preview Channel, introducing a redesigned restart interface that displays on ablack background a significant departure from traditional system recovery screens. This update brings substantial changes to user experience through enhanced AI features, improved security measures, and streamlined system recovery processes, while addressing…