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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

PCPJack Credential Stealer Exploits 5 CVEs to Spread Worm-Like Across Cloud Systems

Cybersecurity researchers have disclosed details of a new credential theft framework dubbed PCPJack that targets exposed cloud infrastructure and ousts any art…

Docker

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Debian 11 libexif Important Crashes Info Leaks DLA-4558-1 CVE-2026-32775

Three security vulnerabilities were discovered in libexif, a library to reads and writes EXIF metainformation from and to images files, that can causes crashes…

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

AI-Driven Cybersecurity Upgrades: 3 Strategic Uses

With the increasing pace and complexity of digital attacks, analysts are turning to AI threat detection to stretch IT resources and keep out cyber threats. No …

The Hacker News
The Hacker News Vulnerabilities

ThreatsDay Bulletin: $290M DeFi Hack, macOS LotL Abuse, ProxySmart SIM Farms +25 New Stories

You scroll past one incident and see another that feels familiar, like it should have been fixed years ago, but it still works with small changes. Same bugs. S…

Apple

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Ubuntu 18.04 LTS Slurm Critical Socket Issue CVE-2022-29501

Slurm could be made to send data to an arbitrary unix socket on the host.

Linux

The Hacker News
The Hacker News

Lotus Wiper Malware Targets Venezuelan Energy Systems in Destructive Attack

Cybersecurity researchers have discovered a previously undocumented data wiper that has been used in attacks targeting Venezuela at the end of last year and th…

The Hacker News
The Hacker News

⚡ Weekly Recap: Vercel Hack, Push Fraud, QEMU Abused, New Android RATs Emerge & More

Monday’s recap shows the same pattern in different places. A third-party tool becomes a way in, then leads to internal access. A trusted download path is brief…

Android

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian 11 perl Important Code Injection Weakness DLA-4538-1 CVE-2025-40909

Vincent Lef¨vre discovered that, in the Perl programming language, at thread creation the current directory may temporarily change in other threads, altering f…

Linux

The Hacker News
The Hacker News Vulnerabilities

NIST Limits CVE Enrichment After 263% Surge in Vulnerability Submissions

The National Institute of Standards and Technology (NIST) has announced changes to the way it handles cybersecurity vulnerabilities and exposures (CVEs) listed…

The Hacker News
The Hacker News

OpenAI Launches GPT-5.4-Cyber with Expanded Access for Security Teams

OpenAI on Tuesday unveiled GPT-5.4-Cyber, a variant of its latest flagship model, GPT‑5.4, that's specifically optimized for defensive cybersecurity use cases,…

The Hacker News
The Hacker News Breaches & leaks

OpenAI Revokes macOS App Certificate After Malicious Axios Supply Chain Incident

OpenAI revealed a GitHub Actions workflow used to sign its macOS apps led to the download of the malicious Axios library on March 31, but noted that no user da…

GitHub Apple

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Debian 11 inetutils Important DLA-4527-1 Privilege Escalation Threat

Several vulnerabilities were discovered in the inetutils implementation of telnetd and telnet, which may result in privilege escalation or information disclosu…

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Alerts

2027 Budget Proposal: Why CISA Funding Cuts Matter to Linux Security Teams

When federal security budgets are cut, the data that stops hackers from breaking into your Linux servers begins to dry up.

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories

Mageia 9 Simgear Flightgear Bugfix Update MGAA-2026-0025

MGAA-2026-0025 - Updated simgear, flightgear & flightgear-data packages fix bugs

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

Linux Strapi Medium Redis RCE Threats from Malicious npm Packages

The first week of April 2026 marked a significant escalation in supply chain tactics. A coordinated campaign involving 36 malicious npm packages, disguised as …

Linux Databases

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian bookworm DSA-6194-1 pyasn1 Medium DoS CVE-2026-30922

It was discovered that pyasn1, a generic ASN.1 library for Python, is prone to a denial of service vulnerability when decoding ASN.1 data with deeply nested st…

Linux

The Hacker News
The Hacker News Breaches & leaks

Why Third-Party Risk Is the Biggest Gap in Your Clients' Security Posture

The next major breach hitting your clients probably won't come from inside their walls. It'll come through a vendor they trust, a SaaS tool their finance team …

The Hacker News
The Hacker News Breaches & leaks

TeamPCP Pushes Malicious Telnyx Versions to PyPI, Hides Stealer in WAV Files

TeamPCP, the threat actor behind the supply chain attack targeting Trivy, KICS, and litellm, has now compromised the telnyx Python package by pushing two malic…

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

What Is a Checksum? Meaning, Examples & Why You Should Use Them

A checksum is a calculated value that represents the exact contents of a file or message. If the file changes — even by a single byte — the checksum changes as…

The Hacker News
The Hacker News

We Found Eight Attack Vectors Inside AWS Bedrock. Here's What Attackers Can Do with Them

AWS Bedrock is Amazon's platform for building AI-powered applications. It gives developers access to foundation models and the tools to connect those models di…

Microsoft 365 AWS

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 42 python-ujson 5.12.0 Buffer Overflow DoS Advisory 2026-0f099ed388

Update to 5.12.0. This release updates the license field in the Python metadata and fixes a buffer overflow/infinite loop from indent handling.

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 43 python-ujson Critical DoS Buffer Overflow 2026-bf741e26e4

Update to 5.12.0. This release updates the license field in the Python metadata and fixes a buffer overflow/infinite loop from indent handling.

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

Port Scanning Explained: Tools, Techniques, and Best Open-Source Port Scanners for Linux

Most Linux admins assume they know which TCP/IP ports their servers expose, until a scan reveals something unexpected. A database port listening on all interfa…

Linux

The Hacker News
The Hacker News

Claude Code Security and Magecart: Getting the Threat Model Right

When a Magecart payload hides inside the EXIF data of a dynamically loaded third-party favicon, no repository scanner will catch it – because the malicious cod…