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Phishing actors exploit complex routing and misconfigurations to spoof domains
…complex routing and misconfigurations to spoof domains appeared first on Microsoft Security...
ShinyHunters claim to be behind SSO-account data theft attacks
…on (SSO) accounts at Okta, Microsoft, and Google, enabling threat actors to…
Storm-2561 Spreads Trojan VPN Clients via SEO Poisoning to Steal Credentials
Microsoft has disclosed details of a credential theft campaign that employs fake…
Dissecting Sapphire Sleet’s macOS intrusion from lure to compromise
The Microsoft Defender Security Research Team uncovered a sophisticated macOS intrusion campaign…
Chaotic July Patch Tuesday threatens to overwhelm defenders
…and exposures (CVEs) addressed in Microsoft’s July <a href="https://www…
Email threat landscape: Q2 2026 trends and insights
In the second quarter of 2026, the continuing effects of Microsoft’s…
WalletService Privilege Escalation Flaw Allows Attackers Full Control of Windows Systems
Microsoft has addressed a local privilege escalation vulnerability in WalletService on Windows…
Russian Hackers Use New HOOKEDGE Backdoor to Spy on European Organizations
…Spain, and Turkey, where seemingly ordinary Microsoft Word attachments became the opening...
Hackers Chain Chrome and Windows Zero-Days in New BlueMoon Exploit Kit Attacks
…that chains Chrome browser and Microsoft Windows vulnerabilities to deploy backdoors and…
Remote Desktop Services Failures on Windows Servers Following September Update
…bug that surfaced immediately after Microsoft shipped its September 2026 Patch Tuesday…
SharePoint RCE and MikroTik RouterOS Flaws Actively Exploited in the Wild
…added two security flaws impacting Microsoft SharePoint and Mikrotik RouterOS to its…
The hidden network: Inside the phishing infrastructure ecosystem powering global cybercrime
Microsoft uncovered a Chinese-language cybercriminal ecosystem, an interconnected network of phishing…
Researchers Uncover New Technique to Exploit Azure Arc for Hybrid Escalation in Enterprise Environment and Maintain Persistence
…sophisticated attack technique that exploits Microsoft Azure Arc deployments to gain persistent…
OpenAI's GPT-4.1, 4.1 nano, and 4.1 mini models release imminent
…on OpenAI's website, the Microsoft-backed AI startup is planning to…
CVE-2025-3052
…23 - An arbitrary write vulnerability in Microsoft signed UEFI firmware allows for…
Malicious Bing Ads deploy Weaponized PuTTY to Exploit Kerberos and Attack Active Directory services
A malvertising campaign using sponsored results on Microsoft’s search platform delivered…
Windows 11 KB5064081 update clears up CPU usage metrics in Task Manager
Microsoft has released the KB5064081 preview cumulative update for Windows 11 24H2…
New ‘NotDoor’ Malware Attacks Outlook Users to Exfiltrate Data and Compromise Computers
…The new, sophisticated backdoor targets Microsoft Outlook, which allows threat actors to…
New Malware Using Azure Functions For Hosting Command And Control Infrastructure
A new, sophisticated malware campaign has been uncovered that leverages Microsoft’s…
KB5065790 Windows 11 23H2 [Manueller Download] optionales Update September [Update]
(Update 16.09.2025): Microsoft hat am neuen optionalen Update (KB 5065790…