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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

CERT-UA Warns of HTA-Delivered C# Malware Attacks Using Court Summons Lures

The Computer Emergency Response Team of Ukraine (CERT-UA) has warned of cyber attacks carried out by a threat actor called UAC-0099 targeting government agenci…

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles

SELinux vs. AppArmor: Uptake Trends & Security Considerations for Admins

Let's get one thing clear upfront: Mandatory Access Control (MAC) isn't new, but its role in Linux security has shifted from being a ''nice-to-have'' to a corn…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories

Debian 11: Audiofile Important Security Update DLA-4255-1

The audiofile library allows the processing of audio data to and from audio files of many common formats (currently AIFF, AIFF-C, WAVE, NeXT/Sun, BICS, and raw…

Linux

The Hacker News
The Hacker News

CastleLoader Malware Infects 469 Devices Using Fake GitHub Repos and ClickFix Phishing

Cybersecurity researchers have shed light on a new versatile malware loader called CastleLoader that has been put to use in campaigns distributing various info…

GitHub

The Hacker News
The Hacker News Vulnerabilities

New Coyote Malware Variant Exploits Windows UI Automation to Steal Banking Credentials

The Windows banking trojan known as Coyote has become the first known malware strain to exploit the Windows accessibility framework called UI Automation (UIA) …

Windows

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

Hackers Are Milking an Old Apache Flaw to Deploy Linuxsys Cryptominer

Let's talk straight: if you're running Apache HTTP Server and you haven't checked your version in a while, you might have a problem. An issue that's now pretty…

Linux Apache

The Hacker News
The Hacker News

PoisonSeed Attack Turns Out to Be Not a FIDO Bypass After All

Cybersecurity firm Expel, in an update shared on July 25, 2025, said it's retracting its findings about a phishing attack that it said leveraged cross-device s…

The Hacker News
The Hacker News Vulnerabilities

Microsoft Releases Urgent Patch for SharePoint RCE Flaw Exploited in Ongoing Cyber Attacks

Microsoft on Sunday released security patches for an actively exploited security flaw in SharePoint and also disclosed details of another vulnerability that it…

Microsoft 365

The Hacker News
The Hacker News Breaches & leaks

From Backup to Cyber Resilience: Why IT Leaders Must Rethink Backup in the Age of Ransomware

With IT outages and disruptions escalating, IT teams are shifting their focus beyond simply backing up data to maintaining operations during an incident. One o…

The Hacker News
The Hacker News

Hackers Use GitHub Repositories to Host Amadey Malware and Data Stealers, Bypassing Filters

Threat actors are leveraging public GitHub repositories to host malicious payloads and distribute them via Amadey as part of a campaign observed in April 2025.…

Cisco GitHub

The Hacker News
The Hacker News

State-Backed HazyBeacon Malware Uses AWS Lambda to Steal Data from SE Asian Governments

Governmental organizations in Southeast Asia are the target of a new campaign that aims to collect sensitive information by means of a previously undocumented …

Windows AWS Palo Alto

The Hacker News
The Hacker News

Four Arrested in £440M Cyber Attack on Marks & Spencer, Co-op, and Harrods

The U.K. National Crime Agency (NCA) on Thursday announced that four people have been arrested in connection with cyber attacks targeting major retailers Marks…

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

Breaking Down BERT Ransomware: Lessons for Linux & ESXi Defenders

Ransomware is nothing new to us as Linux admins and infosec folks''it's pretty much part of the modern threat landscape now. But when I say "BERT ransomware," …

Linux Windows VMware

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Breaches & leaks

BERT Ransomware Weaponizes Cross-Platform Flaws to Target Linux, Windows, ESXi

Ransomware is nothing new to us as Linux admins and infosec folks''it's pretty much part of the modern threat landscape now. But when I say "BERT ransomware," …

Linux Windows VMware

The Hacker News
The Hacker News

Chinese Hacker Xu Zewei Arrested for Ties to Silk Typhoon Group and U.S. Cyber Attacks

A Chinese national has been arrested in Milan, Italy, for his alleged links to a state-sponsored hacking group known as Silk Typhoon and for carrying out cyber…

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

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

Linux Privilege at Risk: Sudo Flaws You Cant Afford to Ignore

It's no exaggeration to call sudo the cornerstone of Linux privilege management. It's one of the first utilities we configure on fresh installs, and it's baked…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Mageia 9: 2025-0201 critical: Firefox multiple security issues

CVE-2025-6424: A use-after-free in FontFaceSet resulted in a potentially exploitable crash. CVE-2025-6425: An attacker who enumerated resources from the WebCom…

Docker

The Hacker News
The Hacker News Vulnerabilities

Critical Vulnerability in Anthropic's MCP Exposes Developer Machines to Remote Exploits

Cybersecurity researchers have discovered a critical security vulnerability in artificial intelligence (AI) company Anthropic's Model Context Protocol (MCP) In…

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

GStreamer 1.26.3 Fixes H.266 Security Flaw, Adds New Features

If you've ever set up or maintained a multimedia pipeline on Linux, you already know the stakes. Your system needs to decode, encode, stream, and sync diverse …

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories

Fedora 42: dotnet 8.0 Release with Version 2025-2bc8dfe45a

This is the June 2025 monthly update for .NET 8. Release Notes: SDK: https://github.com/dotnet/core/blob/main/release- notes/8.0/8.0.17/8.0.117.md Runtime: htt…

Linux GitHub

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories

Fedora 42: FEDORA-2025-77d16adbcd: dotnet9.0 SDK June Update

This is the .NET monthly update for June 2025. Release Notes: SDK: https://github.com/dotnet/core/blob/main/release-notes/9.0/9.0.6/9.0.107.md Runtime: https:/…

Linux GitHub

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories

Fedora 41: FEDORA-2025-092006d075 important: dotnet9.0 runtime

This is the .NET monthly update for June 2025. Release Notes: SDK: https://github.com/dotnet/core/blob/main/release-notes/9.0/9.0.6/9.0.107.md Runtime: https:/…

Linux GitHub

The Hacker News
The Hacker News Breaches & leaks

Scattered Spider Behind Cyberattacks on M&S and Co-op, Causing Up to $592M in Damages

The April 2025 cyber attacks targeting U.K. retailers Marks & Spencer and Co-op have been classified as a "single combined cyber event."That's according to an …