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The security stories that matter, explained by our team — with the concrete steps to take.

Latest headlines from security outlets

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LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Ubuntu 25.10 HAProxy Security Low DoS Failure Vulnerability USN-8037-2

HAProxy could be made to crash if it received specially crafted network traffic.

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 43 p11-kit Critical NULL Dereference Vulnerability Detailed

Notable changes from the rebase: * pkcs11: Update PKCS11 headers to version 3.2 * rpc: fix NULL dereference via C_DeriveKey with specific NULL parameters (CVE-…

Linux

The Hacker News
The Hacker News Breaches & leaks

ThreatsDay Bulletin: Codespaces RCE, AsyncRAT C2, BYOVD Abuse, AI Cloud Intrusions & 15+ Stories

This week didn’t produce one big headline. It produced many small signals — the kind that quietly shape what attacks will look like next.Researchers tracked in…

The Hacker News
The Hacker News

Eclipse Foundation Mandates Pre-Publish Security Checks for Open VSX Extensions

The Eclipse Foundation, which maintains the Open VSX Registry, has announced plans to enforce security checks before Microsoft Visual Studio Code (VS Code) ext…

The Hacker News
The Hacker News Vulnerabilities

APT28 Uses Microsoft Office CVE-2026-21509 in Espionage-Focused Malware Attacks

The Russia-linked state-sponsored threat actor known as APT28 (aka UAC-0001) has been attributed to attacks exploiting a newly disclosed security flaw in Micro…

The Hacker News
The Hacker News

Researchers Find 341 Malicious ClawHub Skills Stealing Data from OpenClaw Users

A security audit of 2,857 skills on ClawHub has found 341 malicious skills across multiple campaigns, according to new findings from Koi Security, exposing use…

The Hacker News
The Hacker News Breaches & leaks

Notepad++ Official Update Mechanism Hijacked to Deliver Malware to Select Users

The maintainer of Notepad++ has revealed that state-sponsored attackers hijacked the utility's update mechanism to redirect update traffic to malicious servers…

The Hacker News
The Hacker News Vulnerabilities

China-Linked UAT-8099 Targets IIS Servers in Asia with BadIIS SEO Malware

Cybersecurity researchers have discovered a new campaign attributed to a China-linked threat actor known as UAT-8099 that took place between late 2025 and earl…

Cisco

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Mageia 9 iperf Important Buffer Overflow Auth Failure Vuln 2026-0021

MGASA-2026-0021 - Updated iperf packages fix security vulnerabilities

The Hacker News
The Hacker News

WhatsApp Rolls Out Lockdown-Style Security Mode to Protect Targeted Users From Spyware

Meta on Tuesday announced it's adding Strict Account Settings on WhatsApp to secure certain users against advanced cyber attacks because of who they are and wh…

Android Apple

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Ubuntu 22.04 LTS Kernel Patch for USN-2023-1234-1 Now Available

An update that solves one vulnerability can now be installed.

Linux

The Hacker News
The Hacker News Vulnerabilities

Google Gemini Prompt Injection Flaw Exposed Private Calendar Data via Malicious Invites

Cybersecurity researchers have disclosed details of a security flaw that leverages indirect prompt injection targeting Google Gemini as a way to bypass authori…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

openSUSE: python310 Moderate DoS Availability Issues 2026:0130-1

An update that solves three vulnerabilities can now be installed.

Linux

The Hacker News
The Hacker News

Model Security Is the Wrong Frame – The Real Risk Is Workflow Security

As AI copilots and assistants become embedded in daily work, security teams are still focused on protecting the models themselves. But recent incidents suggest…

Chrome

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories

Fedora 42: linux-firmware Update 20260110 for Various Devices Available

Update to 20260110: update firmware for MT7925 WiFi device mediatek MT7925: update bluetooth firmware to 20260106153314 mediatek MT7920: update bluetooth firmw…

Linux

The Hacker News
The Hacker News Vulnerabilities

Hackers Exploit c-ares DLL Side-Loading to Bypass Security and Deploy Malware

Security experts have disclosed details of an active malware campaign that's exploiting a DLL side-loading vulnerability in a legitimate binary associated with…

The Hacker News
The Hacker News

n8n Supply Chain Attack Abuses Community Nodes to Steal OAuth Tokens

Threat actors have been observed uploading a set of eight packages on the npm registry that masqueraded as integrations targeting the n8n workflow automation p…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

openSUSE: Advisory 2026:10025-1 on python311-aiohttp with 8 Issues

An update that solves 8 vulnerabilities can now be installed.

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

openSUSE Tumbleweed: apptainer Moderate Threat Vuln 2026:10013-1

An update that solves 6 vulnerabilities can now be installed.

Linux

LinuxSecurity - Security Articles
LinuxSecurity - Security Articles Vulnerabilities

Red Team Blue Team Insights for Linux Admins: Key Security Roles Explained

If you manage Linux systems long enough, you start to notice that most security conversations are not really about attackers or tools. They are about pressure.…

Linux Windows

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 43: proxychains-ng Denial of Service CVE-2025-34451 Advisory

Update to master to fix CVE-2025-34451

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 42: proxychains-ng Critical Update for CVE-2025-34451 DoS Attack

Update to master to fix CVE-2025-34451

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

openSUSE Leap 15.6: python312 Moderate Availability Issues 2026:0025-1

An update that solves three vulnerabilities can now be installed.

Linux

The Hacker News
The Hacker News Breaches & leaks

ThreatsDay Bulletin: GhostAd Drain, macOS Attacks, Proxy Botnets, Cloud Exploits, and 12+ Stories

The first ThreatsDay Bulletin of 2026 lands on a day that already feels symbolic — new year, new breaches, new tricks. If the past twelve months taught defende…

Apple