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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 Vulnerabilities

OpenAI Compaction Flaw Let Researchers Bypass Hidden Reasoning Protections

OpenAI's compaction feature, which shrinks a long conversation to save space, could be turned into a way to copy a model's hidden reasoning out in plain text, …

The Hacker News
The Hacker News Vulnerabilities

CISA Confirms Active Exploitation of Two PHP2Shell Flaws Enabling Remote Code Execution

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday confirmed active exploitation of the recently patched PHP2Shell flaws by adding them…

PHP

The Hacker News
The Hacker News Vulnerabilities

PHP Issues Second Windows Security Update in Five Days to Fix Brotli Code Execution Flaw

PHP has rebuilt its official Windows packages for PHP 8.2 through 8.5 to fix CVE-2026-111497, a flaw in the Brotli compression library that the packages includ…

Windows PHP

The Hacker News
The Hacker News

Google Says Gmail and Photos Data Shared With AI Search Could Be Used for Targeted Ads

Google has updated its privacy policy to spell out that using personalized artificial intelligence (AI) features in Search or Gemini could allow the company to…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Debian Brotli Update Addresses DoS and Code Execution Risk

A vulnerability was discovered in Brotli, a generic-purpose lossless compression suite, which could result in denial of service, or potentially the execution o…

Linux

The Hacker News
The Hacker News Vulnerabilities

URGENT - PHP Warns of Another Unpatched RCE Two Days After Emergency PHP2Shell Patches

PHP has warned of another way an attacker could run code on a web server, two days after it shipped emergency fixes for the critical PHP2Shell flaws. The new i…

PHP

The Hacker News
The Hacker News Vulnerabilities

Researchers Demonstrate Node2Shell RCE Exploit on Node.js Build Using Crafted Brotli Data

Malicious Brotli data can make an application on an official build of Node.js run attacker-supplied code, security researchers at Imperva have demonstrated. Th…

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Fedora 43 rust-webpki-root-certs Fixes eMudhra CA Trust Issue

Update the rustls-webpki crate to version 0.103.16. Update the webpki-roots and webpki-root-certs crates to version 1.0.10. This addresses security advisories …

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Fedora 43 Updates rust-webpki-roots After CA Compromise

Update the rustls-webpki crate to version 0.103.16. Update the webpki-roots and webpki-root-certs crates to version 1.0.10. This addresses security advisories …

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Fedora 44 Updates rust-webpki-roots After eMudhra CA Compromise

Update the rustls-webpki crate to version 0.103.16. Update the webpki-roots and webpki-root-certs crates to version 1.0.10. This addresses security advisories …

Linux

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Fedora 44 Updates Rust Certificate Roots After CA Compromise

Update the rustls-webpki crate to version 0.103.16. Update the webpki-roots and webpki-root-certs crates to version 1.0.10. This addresses security advisories …

Linux

The Hacker News
The Hacker News Vulnerabilities

PHP2Shell: What Actually Protects You Before the 14:00 UTC PHP RCE Patch, and What Doesn't

You cannot fully block the two critical PHP flaws called PHP2Shell before today's fix, and the one setting being passed around as a workaround is not enough on…

PHP

DataBreaches.net
DataBreaches.net

More NHS staff sacked for accessing records of Nottingham stabbing victims

Ellie Ng reports: More NHS staff have been dismissed for inappropriately accessing medical records of the Nottingham stabbing victims, taking the total sacked …

The Hacker News
The Hacker News Vulnerabilities

Researchers Demonstrate OpenBSD Root Exploit Chaining 37-Year-Old Shared-Memory Bug

A local privilege escalation exploit published today gains root on OpenBSD 7.9 by chaining a roughly 37-year-old integer overflow with a separate kernel flaw, …

BleepingComputer
BleepingComputer

Microsoft: Recent Windows updates may trigger Remote Desktop failures

Microsoft has confirmed that non-admin users may be unable to connect to devices via Remote Desktop after installing recent Windows updates if the "Administrat…

Windows

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Breaches & leaks

Debian Trixie DSA-6557-1 ntfs-3g Critical Security Flaw Root Escalation

Several vulnerabilities were discovered in NTFS-3G, a read-write NTFS driver for FUSE, which could result in denial of service, information leak or potentially…

Linux

DataBreaches.net
DataBreaches.net Breaches & leaks

The Luna Moth Files Weren’t Hacked. Here’s How They Leaked.

When asked about the “Luna Moth Files” that had mysteriously appeared online, Silent Ransom Group called them “fake” and insisted they hadn’t had any leak or b…

The Hacker News
The Hacker News Breaches & leaks

FBI Arrests Another ShinyHunters Suspect Reportedly Involved in Its Jobs Portal Hack

The FBI has arrested another suspected co-conspirator of ShinyHunters, FBI Director Kash Patel said on October 9 in a post on X. ShinyHunters is the extortion …

The Hacker News
The Hacker News Vulnerabilities

Researchers Publish Working Exploit for Pre-Auth AnyDesk Linux Flaw That Gives Root Access

Security researchers have published a full working exploit for a pre-authentication remote code execution flaw in AnyDesk Linux that gives attackers root acces…

Linux

DataBreaches.net
DataBreaches.net

It Wasn’t Me, It Was the AI Agent” May Not Avoid Liability Under New Senate Proposal

Odia Kagan of FoxRothschild writes: “It wasn’t me, it was the AI agent” may not help companies avoid civil or criminal liability under a new bipartisan legisla…

The Hacker News
The Hacker News

PoeLLM Malware Infects 3,400+ Servers to Expand Crypto Mining Botnet

Cybersecurity researchers are calling attention to a new malware family that has been observed targeting exposed artificial intelligence (AI) and large languag…

DataBreaches.net
DataBreaches.net Breaches & leaks

ASOS customers receive ‘hack’ notification threatening leak

Sarah Butler reports: ASOS is investigating after users of its mobile app received a notification claiming hackers had “fully compromised” the online fashion r…

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 44 dotnet10.0 Critical Multiple Threat Fixes 2026-a5c27e8727

Update to .NET SDK 10.0.112 and Runtime 10.0.12 Fixes: CVE-2026-58649,CVE-2026-69304,CVE-2026-69439,CVE-2026-69522,CVE-2026- 69806,CVE-2026-71328 Release Notes…

Linux GitHub

LinuxSecurity - Security Advisories
LinuxSecurity - Security Advisories Vulnerabilities

Fedora 43 dotnet10.0 Important SDK Runtime Update for CVEs 2026-04a0116777

Update to .NET SDK 10.0.112 and Runtime 10.0.12 Fixes: CVE-2026-58649,CVE-2026-69304,CVE-2026-69439,CVE-2026-69522,CVE-2026- 69806,CVE-2026-71328 Release Notes…

Linux GitHub