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868 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.

The Hacker News
The Hacker News
7 Steps to Kickstart Your SaaS Security Program

SaaS applications are the backbone of modern businesses, constituting a staggering 70% of total software usage. Applications like Box, Google Workplace, and Mi…

Microsoft 365

The Hacker News
The Hacker News
Understanding Active Directory Attack Paths to Improve Security

Introduced in 1999, Microsoft Active Directory is the default identity and access management service in Windows networks, responsible for assigning and enforci…

Windows Azure

The Hacker News
The Hacker News
Top 3 SaaS Security Threats for 2022

With 2021 drawing to a close and many closing their plans and budgets for 2022, the time has come to do a brief wrap-up of the SaaS Security challenges on the …

Microsoft 365 GitHub

The Hacker News
The Hacker News Breaches & leaks
Hackers Increasingly Using HTML Smuggling in Malware and Phishing Attacks

Threat actors are increasingly banking on the technique ofÂHTML smugglingÂin phishing campaigns as a means to gain initial access and deploy an array of threat…

Microsoft 365

The Hacker News
The Hacker News Vulnerabilities
Update Your Windows PCs Immediately to Patch New 0-Day Under Active Attack

Microsoft on Tuesday rolled outÂsecurity patchesÂto contain a total of 71 vulnerabilities in Microsoft Windows and other software, including a fix for an activ…

Windows

The Hacker News
The Hacker News Vulnerabilities
Update Your Windows PCs Immediately to Patch 4 New 0-Days Under Active Attack

Microsoft on Tuesday rolled outÂsecurity patchesÂto contain a total of 71 vulnerabilities in Microsoft Windows and other software, including a fix for an activ…

Windows

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities
SciLinux: SLSA-2021-3801-1 Important: kernel on SL7.x x86_

kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks (CVE-2021-22543) * kernel: powerpc: KVM guest OS users can cause host OS memory c…

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles
Best File and Disk Encryption Tools For Lin

Most of us are familiar with Microsoft Windows or macOS - these OSes dominate the personal computing space. But the OS that is taking over the world isn't owne…

Windows Apple

The Hacker News
The Hacker News Breaches & leaks
What is AS-REP Roasting attack, really?

Microsoft's Active Directory isÂsaid to be used by 95%Âof Fortune 500. As a result, it is a prime target for attackers as they look to gain access to credentia…

The Hacker News
The Hacker News Vulnerabilities
Researcher Uncovers Yet Another Unpatched Windows Printer Spooler Vulnerability

Merely days after Microsoft sounded the alarm on an unpatched security vulnerability in the Windows Print Spooler service, possibly yet another zero-day flaw i…

Windows

The Hacker News
The Hacker News Vulnerabilities
Warning ' Two Unpatched Critical 0-Day RCE Flaws Affect All Windows Versions

Microsoft today issued a new security advisory warning billions of Windows users of two new critical, unpatched zero-day vulnerabilities that could let hackers…

Windows

The Hacker News
The Hacker News Vulnerabilities
Warning ' Unpatched Critical 'Wormable' Windows SMBv3 Flaw Disclosed

Shortly after releasing its monthly batch of security updates, Microsoft late yesterday separately issued an advisory warning billions of its Windows users of …

Windows

The Hacker News
The Hacker News Vulnerabilities
Warning ' Two New Unpatched Critical RCE Flaws Affect All Windows Versions

Microsoft today issued a new security advisory warning billions of Windows users of two new critical, unpatched zero-day vulnerabilities that could let hackers…

Windows

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 …