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2344 result(s) for "data breach" — 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

Microsoft Maps Three Salesforce Attack Paths Tied to a Year of ShinyHunters Activity

Attackers whose methods line up with the data-extortion group ShinyHunters have spent the past year walking into corporate Salesforce environments without expl…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian LTS Redis Remote Code Execution Issues DLA-4682-1

It was discovered that there were two issues in Redis, the in-memory key/value database: CVE-2026-23631 An authenticated attacker could have exploited the mast…

Linux Databases

The Hacker News
The Hacker News Breaches & leaks

CrashStealer macOS Malware Uses Notarized Dropper to Pass Gatekeeper Checks

Cybersecurity researchers have flagged a new macOS information stealer called CrashStealer that's capable of harvesting sensitive data from compromised systems…

Apple

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

Defending the Open Source Desktop: Advanced Cybersecurity Strategies for Linux

There was a time when Linux meant server rooms and hobbyist forums. These days it's on regular laptops, and a big part of that is people getting fed up with co…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian LTS mesa High Severity Out-of-Bounds Memory Access CVE-2026-40393

A vulnerability has been found in the mesa 3D graphics library, possibly allowing out of bound memory access by craftet input. CVE-2026-40393 An out-of-bounds …

Linux

The Hacker News
The Hacker News Vulnerabilities

Six New U-Boot Flaws Could Let Malicious Images Crash Devices or Run Code at Boot

Researchers at firmware security firm Binarly have found six new flaws in U-Boot, the small program that starts up hardware as varied as home routers, smart ca…

The Hacker News
The Hacker News

AI Coding Agents Found Triggering Endpoint Security Rules Built to Catch Attackers

Sophos looked at a week of its own endpoint data and found that AI coding agents such as Claude Code, Cursor, and OpenAI Codex are setting off detection rules …

Windows

The Hacker News
The Hacker News

New Ghost Phishing Wave Is Breaking Traditional Email Security

A recent EvilTokens campaign targeting businesses across the US and Europe is exposing a new email security blind spot. This “ghost phishing” technique keeps t…

Microsoft 365

The Hacker News
The Hacker News Vulnerabilities

New ChocoPoC RAT Targets Vulnerability Researchers via Fake PoC Exploit Repos

Attackers are hiding a data-stealing trojan inside fake exploit code aimed at the people who hunt bugs for a living. The malware, called ChocoPoC, travels in P…

GitHub

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

Network Security Monitoring: Common Linux Monitoring Gaps That Hide Threats

If you’re relying on standard network logs to protect your Linux infrastructure, you’re flying blind. Most organizations believe they have network security mon…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Debian LTS Beets Remote Code Exec Vulnerability DLA-4641-1

It was discovered that beets, a media library management system, is vulnerable to run arbitrary JavaScript code in the victim browser, exfiltrate viewable data…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories

Fedora 43: webkitgtk 2026-1557aaef26

Add support for half-width fonts. Improve content filter compilation by avoiding file copies. Improve handling of out of disk space conditions when the Network…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories

Fedora 43 WebKitGTK Important Performance and Content Fixes 2026-1557aaef26

Add support for half-width fonts. Improve content filter compilation by avoiding file copies. Improve handling of out of disk space conditions when the Network…

Linux

The Hacker News
The Hacker News Breaches & leaks

The Top 10 Attack Surface Exposures in 2026

Breaches don't always start with a zero-day. An exposed admin panel can get brute-forced, or credentials reused from a previous attack. But when a vulnerabilit…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 44 Xen Critical Security Issues Update 2026-24b84f97af

x86 HVM I/O port list traversal [XSA-491, CVE-2026-42487] domctl lock open to abuse [XSA-492, CVE-2026-42489, CVE-2026-42490] Arm: Completion of memory accesse…

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 Ransomware Works: Encryption Is the Least of Your Problems

Ransomware still encrypts files with a hybrid AES/RSA scheme, but the data theft and backup destruction that happen before encryption are where modern attacks …

The Hacker News
The Hacker News

Malicious npm Package Stole Files From Claude AI User Directory via GitHub

Cybersecurity researchers have discovered a new malicious package on the npm registry that comes with information stealing capabilities.According to OX Securit…

GitHub

The Hacker News
The Hacker News Breaches & leaks

First VPN Dismantled in Global Takedown Over Use by 25 Ransomware Groups

Authorities in Europe and North America have announced the dismantling of a criminal virtual private network (VPN) service used by criminal actors to obscure t…

VPN

The Hacker News
The Hacker News Breaches & leaks

TanStack Supply Chain Attack Hits Two OpenAI Employee Devices, Forces macOS Updates

OpenAI has disclosed that two of its employee devices in its corporate environment were impacted via the Mini Shai-Hulud supply chain attack on TanStack, but n…

Apple

The Hacker News
The Hacker News Vulnerabilities

How AI Hallucinations Are Creating Real Security Risks

AI hallucinations are introducing serious security risks into critical infrastructure decision-making by exploiting human trust through highly confident yet in…

The Hacker News
The Hacker News Vulnerabilities

[Webinar] How Modern Attack Paths Cross Code, Pipelines, and Cloud

TL;DR: Stop chasing thousands of "toast" alerts. Join experts from Wiz to learn how hackers connect tiny flaws to build a "Lethal Chain" to your data—and how t…

The Hacker News
The Hacker News

Why Agentic AI Is Security's Next Blind Spot

Agentic AI is already running in production environments across many organizations today. It is executing tasks, consuming data, and taking actions — most like…

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

Why Linux Servers Get Hacked More Often Than People Think

Linux runs a massive part of the internet. Cloud platforms, databases, containers, web hosting, APIs, and internal business infrastructure all depend heavily o…

Linux Docker

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11 DLA-4573-1 libpng Important Heap Disclosure Fix

A security vulnerability has been discovered in libpng, a library implementing an interface for reading and writing PNG (Portable Network Graphics) files, whic…

Linux