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917 result(s) for "Microsoft 365" — best match first.

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The security stories that matter, explained by our team — with the concrete steps to take.

Latest headlines from security outlets

Collected every two hours from specialised publications — each link leads to the original article.

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories

Fedora 45 Updates iperf3 to 3.22 to Fix UDP Denial of Service

Update 3.22. Fixes rhbz#2543656

Linux

The Record
The Record

Hackers target government Windows systems in Asia with new malware

The previously unknown malware, dubbed NetamLoader, uses legitimate Microsoft software components to execute malicious code, evade security tools and download …

Windows

The Hacker News
The Hacker News Breaches & leaks

China-Linked Hackers Use ARTEX AI Agents in ConnectWise Supply Chain Attack

Microsoft on Wednesday disclosed that a China state-aligned actor dubbed Storm-0940 was behind the recent supply chain compromise of the ConnectWise Cloud Back…

BleepingComputer
BleepingComputer

Windows Server 2025 gets support for quick machine recovery

Microsoft announced that IT administrators can now use quick machine recovery on Windows Server 2025 after installing the October 2026 security update.…

Windows

The Record
The Record Vulnerabilities

CISA warns of new Ivanti bug being exploited as latest Patch Tuesday breaks records

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…

Ivanti

BleepingComputer
BleepingComputer Vulnerabilities

Windows 11 KB5127648 & KB5126653 cumulative updates released

Microsoft has released Windows 11 KB5127648 and KB5126653 cumulative updates for versions 26H2/25H2/24H2 and 23H2 to fix security vulnerabilities and bugs and …

Windows

The Hacker News
The Hacker News Vulnerabilities

GitHub Tightens npm Publishing After Flaw Left 1,500+ Packages Vulnerable to Hijacking

GitHub has taken the step of expiring unvalidated npm trusted publishing configurations 48 hours after creation after researchers found that it was possible fo…

GitHub

The Hacker News
The Hacker News Breaches & leaks

Xandr Fined a Record €8.6 Million for Relaying Grindr Data Revealing Sexual Orientation

The Norwegian Data Protection Authority (DPA) has fined Xandr, an advertising unit owned by Microsoft, €8.6 million ($9.62 million) for illegally relaying ​Gri…

The Record
The Record

Lawmakers warn Google could expose Spirit Airlines data in $10 million AI training deal

The proposed sale would include about 100 million emails, 500 million Microsoft Teams messages, employment contracts, employee and timecard records and payroll…

The Hacker News
The Hacker News

U.S. Offers Up to $10 Million for Tips on Zhang Yu, Charged in HAFNIUM Hacks

The U.S. State Department is offering up to $10 million for information leading to the identification or location of Zhang Yu, a Chinese national charged in th…

Exchange

The Hacker News
The Hacker News Breaches & leaks

Warlock Exploits SharePoint Flaws to Disable Security Tools and Deploy Ransomware

The suspected China-linked threat actor known as Warlock is still continuing to weaponize Microsoft SharePoint vulnerabilities, likely both old and new, in att…

Microsoft 365

The Hacker News
The Hacker News Vulnerabilities

Chinese Hackers Exploit Chrome-Windows Zero-Day Chain to Deploy CLEANGULP Malware

A Chinese threat actor codenamed UTA0565 has been observed exploiting the recently disclosed Google Chrome-Microsoft Windows exploit chain as zero-days through…

Windows Chrome

The Hacker News
The Hacker News Vulnerabilities

Mass-Scanning Campaign Exploits Vite Flaw to Extract Cloud Credentials From Exposed Dev Servers

Cybersecurity researchers have disclosed details of a mass-scanning campaign that has targeted Vite deployments siphon sensitive data.The first is an automated…

Azure AWS

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Gentoo Chromium High Multiple Issues Update Required GLSA-202609-02

Multiple vulnerabilities have been found in Chromium, Google Chrome, Microsoft Edge, Opera, Vivaldi.

Chrome

The Hacker News
The Hacker News Breaches & leaks

DeadLock Ransomware Uses Polygon Smart Contracts to Make Extortion Infra Harder to Disrupt

The ransomware group known as DeadLock has been observed using decentralized infrastructure to facilitate victim communications and data leak operations in a b…

The Hacker News
The Hacker News

Malware Can Abuse Windows Hello for Business Keys for Persistent Entra ID Access

Entra ID researcher Dirk-jan Mollema demonstrated that malware already running in a signed-in Windows session can silently use the victim's Windows Hello for B…

Windows Microsoft 365

The Hacker News
The Hacker News

Hijacked Hotel Wi-Fi Pushes Fake Updates to Deliver Surveillance Malware

A fake browser update served over hijacked hotel Wi-Fi has been used to deliver CornFlake, a remote access trojan (RAT) that can capture webcam images, microph…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 43 python-idna Important Denial of Service Fix 2026-6215e65f6c

A new version of python-idna (3.18) has been released in Fedora 43, fixing vulnerabilities CVE-2026-45409 and CVE-2024-3651, while supporting updated IDNA prot…

Linux

The Hacker News
The Hacker News Breaches & leaks

BlueNoroff Zoom Phishing Kit Profiles Crypto Wallets Before Malware Delivery

The North Korean threat actors behind the ClickFix-style campaigns that employ typosquatted Zoom and Microsoft Teams domains have been found to operate an acti…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Debian LTS Linux Critical Privilege Escalation and DoS Update DLA-4688-1

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. For Debian 12…

Linux Azure

Latest Hacking News | Cyber Security News, Hacking Tools and Penetration Testing Courses
Latest Hacking News | Cyber Security News, Hacking Tools and Penetration Testing Courses Vulnerabilities

11 Old Signed UEFI Shims Just Broke Secure Boot on Millions of PCs

ESET found 11 Microsoft-signed UEFI shims, some over a decade old, that let attackers bypass Secure Boot without a single new exploit.11 Old Signed UEFI Shims …

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 44 python-idna Important Denial of Service Fix 2026-822c07add4

Update to the latest version to bring fixes for CVE-2026-45409 and CVE-2024-3651 into the stable releases.

Linux

Latest Hacking News | Cyber Security News, Hacking Tools and Penetration Testing Courses
Latest Hacking News | Cyber Security News, Hacking Tools and Penetration Testing Courses Breaches & leaks

How the GodDamn Ransomware Driver Bypasses Your EDR

GodDamn ransomware's PoisonX driver is a textbook EDR bypass driver: a Microsoft-signed kernel driver that kills security tools instead of exploiting them.How …

The Hacker News
The Hacker News Breaches & leaks

New GigaWiper Windows Backdoor Bundles Disk Wiping, Fake Ransomware, and Spyware

Microsoft has taken apart a destructive Windows backdoor it calls GigaWiper. What stands out is how it is built: not one tool but three older destructive progr…

Windows