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188 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 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 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 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…

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 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 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 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 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

The Hacker News
The Hacker News Breaches & leaks

Amadey and StealC Malware Network Disrupted, 27M Stolen Credentials Recovered

A coordinated law enforcement operation, in partnership with private sector companies, including Bitdefender, Bitsight, ESET, and Microsoft, has resulted in th…

The Hacker News
The Hacker News Breaches & leaks

PCPJack Hijacks 230 AWS, Google Cloud, and Azure Servers for Covert SMTP Relay Network

The threat actor known as PCPJack has hijacked cloud servers associated with Amazon Web Services (AWS), Google Cloud, and Microsoft Azure to create a covert SM…

Azure AWS Google Cloud

The Hacker News
The Hacker News Breaches & leaks

GitHub Internal Repositories Breached via Malicious Nx Console VS Code Extension

GitHub on Wednesday officially confirmed that the breach of its internal repositories was the result of a compromise of an employee device involving a poisoned…

GitHub

The Hacker News
The Hacker News Breaches & leaks

CISA Warns of Zimbra, SharePoint Flaw Exploits; Cisco Zero-Day Hit in Ransomware Attacks

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has urged government agencies to apply patches for two security flaws impacting Synacor Zimbra…

Microsoft 365 Cisco

The Hacker News
The Hacker News Breaches & leaks

Fake Moltbot AI Coding Assistant on VS Code Marketplace Drops Malware

Cybersecurity researchers have flagged a new malicious Microsoft Visual Studio Code (VS Code) extension for Moltbot (formerly Clawdbot) on the official Extensi…

The Hacker News
The Hacker News Breaches & leaks

North Korea-Linked Hackers Target Developers via Malicious VS Code Projects

The North Korean threat actors associated with the long-running Contagious Interview campaign have been observed using malicious Microsoft Visual Studio Code (…

The Hacker News
The Hacker News Breaches & leaks

Evelyn Stealer Malware Abuses VS Code Extensions to Steal Developer Credentials and Crypto

Cybersecurity researchers have disclosed details of a malware campaign that's targeting software developers with a new information stealer called Evelyn Steale…

The Hacker News
The Hacker News Breaches & leaks

⚡ Weekly Recap: Fortinet Exploit, Chrome 0-Day, BadIIS Malware, Record DDoS, SaaS Breach & More

This week saw a lot of new cyber trouble. Hackers hit Fortinet and Chrome with new 0-day bugs. They also broke into supply chains and SaaS tools. Many hid insi…

Fortinet Chrome

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

SUSE: QAT Engine 2025:3942-1 Moderate Memory Leak Issues

* bsc#1233363 * bsc#1233365 * bsc#1233366 Cross-References:

Linux

The Hacker News
The Hacker News Breaches & leaks

Storm-2603 Deploys DNS-Controlled Backdoor in Warlock and LockBit Ransomware Attacks

The threat actor linked to the exploitation of the recently disclosed security flaws in Microsoft SharePoint Server is using a bespoke command-and-control (C2)…

Microsoft 365

The Hacker News
The Hacker News Breaches & leaks

Storm-2603 Exploits SharePoint Flaws to Deploy Warlock Ransomware on Unpatched Systems

Microsoft has revealed that one of the threat actors behind the active exploitation of SharePoint flaws is deploying Warlock ransomware on targeted systems.The…

Microsoft 365

The Hacker News
The Hacker News Breaches & leaks

Malicious Pull Request Targets 6,000+ Developers via Vulnerable Ethcode VS Code Extension

Cybersecurity researchers have flagged a supply chain attack targeting a Microsoft Visual Studio Code (VS Code) extension called Ethcode that has been installe…

GitHub

The Hacker News
The Hacker News Breaches & leaks

5 BCDR Essentials for Effective Ransomware Defense

Ransomware has evolved into a deceptive, highly coordinated and dangerously sophisticated threat capable of crippling organizations of any size. Cybercriminals…

The Hacker News
The Hacker News Breaches & leaks

Play Ransomware Exploited Windows CVE-2025-29824 as Zero-Day to Breach U.S. Organization

Threat actors with links to the Play ransomware family exploited a recently patched security flaw in Microsoft Windows as a zero-day as part of an attack targe…

Windows