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1045 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.

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Ubuntu 26.04 Beets Media Injection Vulnerability USN-8747-1 CVE-2026-42052

Beets could allow malicious media metadata to compromise its web interface.

Linux

The Hacker News
The Hacker News Breaches & leaks

Anthropic Discloses Fourth AI Hacking Incident Involving Claude Opus 4.6

Anthropic on Wednesday disclosed a fourth incident in which its artificial intelligence (AI) model broke into real third-party systems, marking the latest in a…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

SUSE Linux Kernel Important Live Patch 49 Advisory 2026-3766-1

A security update for SUSE Linux Kernel fixes 18 vulnerabilities addressing various issues and bugs, including memory leaks and data handling problems, enhanci…

Linux

The Hacker News
The Hacker News Breaches & leaks

Ransom Busters Claims It Hacked Ransomware Servers, Asks Victims for Up to $60,000

A ransomware affiliate calling itself Ransom Busters has been spotted proactively sending emails to victim organizations and claims to delete stolen data from …

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

Malicious MCP Servers Can Split Instructions to Make AI Coding Agents Exfiltrate Secrets

A malicious tool server connected to an AI coding assistant can quietly walk off with SSH keys, environment secrets, source code, and customer data without eve…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Debian openjdk-21 Important Cert Issues DoS Risk DSA-6425-1

Debian has released an advisory for OpenJDK-21 addressing multiple vulnerabilities that could lead to certificate validation issues, denial of service, or data…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Fedora 43 curl Critical Auth Leak Fixes & Vulnerabilities 2026-097fb2e7e9

A security update for curl version 8.15.0 on Fedora 43 addresses multiple vulnerabilities including information leaks and improper validation, enhancing the to…

Linux

The Hacker News
The Hacker News Breaches & leaks

INC Ransomware Emerges as Dominant Actor Exploiting SonicWall SMA 1000 Flaws

The INC Ransomware operation has emerged as the "dominant threat actor" exploiting the recently disclosed security flaws in SonicWall Secure Mobile Access (SMA…

VPN

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

openSUSE 2026-3396-1 webkit2gtk3 Important JavaScript Execution Risk

A security update for webkit2gtk3 addresses 23 vulnerabilities, including issues that could lead to arbitrary JavaScript execution, unexpected crashes, and dat…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

SUSE WebKit2GTK3 Important Memory Corruption Process Crash Fix 2026-3396-1

A security update for webkit2gtk3 addresses 23 vulnerabilities affecting multiple SUSE and openSUSE versions, improving the handling of web content and prevent…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

openSUSE WebKit2GTK3 Important Memory Corruption Process Crash 2026-3338-1

SUSE has released an important security update for webkit2gtk3, addressing 23 vulnerabilities, including issues with memory corruption, process crashes, and da…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Fedora 43 Perl-Mojolicious Important CSRF Token Fix FEDORA-2026-6f12b08313

The Fedora update for perl-Mojolicious version 9.48 addresses a security flaw related to CSRF tokens, enhancing protection against BREACH attacks by masking to…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Fedora 44 perl-Mojolicious Critical CSRF Attack Mitigation 2026-4334fd85bc

The Fedora update for perl-Mojolicious 9.48 addresses a security issue with CSRF tokens vulnerable to BREACH attacks by masking tokens with a fresh random valu…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Debian webkit2gtk Critical JavaScript Exec Risk DSA-6398-1

Multiple vulnerabilities in WebKitGTK have been identified, leading to process crashes, memory corruption, and potential data leaks; users are urged to upgrade…

Linux

The Hacker News
The Hacker News Breaches & leaks

New ENCFORGE Ransomware Targets AI Model Files in Langflow RCE Attack

Researchers at Sysdig have linked a second attack on the same Langflow server to JADEPUFFER, the AI-agent-driven operator it first documented earlier this mont…

The Hacker News
The Hacker News Breaches & leaks

HollowGraph Malware Hides C2 and Stolen Files in Microsoft 365 Events Dated 2050

A newly discovered espionage implant has been using a hijacked Microsoft 365 calendar as its command channel, planting operator instructions and smuggling out …

Microsoft 365

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…

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 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

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…

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 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