Security news

The latest breaches, vulnerabilities, and threat research from trusted security news sources — refreshed throughout the day, with links to the original reporting.

Dark ReadingDec 3, 2026

[Virtual Event] Cybersecurity Outlook 2027

BleepingComputerNov 7, 2026

Hackers pull off $133 million French bank heist via service provider

French cooperative bank Crédit Mutuel Arkéa was targeted in a cyberattack that enabled fraudulent transactions of up to $133 million, forcing it to respond by suspending certain systems.v [...]

BleepingComputerNov 7, 2026

CTM360 Exposes Fake Gift Card Scams Exploiting Trusted Brands

Scammers are impersonating major brands and celebrities to lure consumers into fake gift card giveaways that collect personal information and trigger unwanted subscriptions. CTM360 reveals how these campaigns use deceptive verification steps and affiliate networks to generate…

The Hacker NewsNov 7, 2026

Claude Code's “Don't Ask Again” File Exposes Passwords and Keys in 1,122 Public Copies on GitHub

Passwords and API keys that developers typed into commands they approved in Claude Code are sitting in public GitHub repositories, where anyone can read them. When a user selects "Yes, and don't ask again," Anthropic's AI coding assistant can save the command, word-for-word,…

BleepingComputerNov 7, 2026

SonicWall warns of new SSL-VPN MFA bypass flaw exploited in attacks

SonicWall has released security updates to fix seven vulnerabilities in SonicOS firewalls, including an SSL-VPN authentication bypass flaw exploited in attacks. [...]

BleepingComputerNov 6, 2026

Runaway AI hacking agent behind WorkOS breach after escaping sandbox

WorkOS says an AI-powered hacking agent that breached its internal sales application and accessed customer information was operated by a security researcher who claims the tool escaped its testing environment and unintentionally attacked the company. [...]

Dark ReadingNov 6, 2026

UK Wades Into Tech Sovereignty Amid AI Policy Changes

The UK is betting on domestic AI and cyber investment to reduce reliance on US tech — but security leaders question whether the funding is too fragmented and too late.

BleepingComputerNov 6, 2026

OpenAI's new GPT-6 Cyber AI finds 81 Firefox flaws, 948 Linux bugs

OpenAI has revealed GPT-6 Cyber, a new artificial intelligence model that has discovered 81 previously unknown high-severity Firefox vulnerabilities and developed working exploits for 948 distinct Linux kernel flaws. [...]

BleepingComputerNov 6, 2026

Fake security tools on GitHub push backdoors and infostealers

Cybersecurity professionals are being targeted with infected security projects on GitHub that deploy a backdoor and information stealer malware. [...]

Dark ReadingNov 6, 2026

AI Gave Your Incident Archive a Second Job

Security records are increasingly being used by vendors to train their models, creating new risks for enterprises.

BleepingComputerNov 6, 2026

QNAP says hackers breaching NAS devices in Plex2Shell attacks

QNAP urges users to update Plex Media Server to the latest version available in the QNAP App Center, as hackers are exploiting the Plex2Shell vulnerability chain. [...]

The Hacker NewsNov 6, 2026

Installing the Fix for an Exploited WordPress Flaw Can Expose Some Sites One Last Time

Some WordPress sites can still be attacked while they install the fix for an actively exploited flaw, according to Umut Bayram, the Picus Security researcher who found it. The update that installs the fix still unpacks its files using the site's old, unpatched code, so an…

BleepingComputerNov 6, 2026

Veeam warns of Software Appliance boot failures on AMD EPYC hosts

​Veeam warned customers about boot failures affecting Software Appliance virtual machines (VMs) on hosts with AMD EPYC processors. [...]

The Hacker NewsNov 6, 2026

Hackers Target OpenSSH SSHole Flaw Within Hours of Disclosure, Gain Root on Honeypot

Threat actors are attempting to exploit a recently disclosed security flaw impacting OpenSSH that can enable sign-ins to accounts that have no password set, according to Previdian. The vulnerability, tracked as CVE-2026-123158 (CVSS score: 8.1) and codenamed SSHole (or *sshole),…

BleepingComputerNov 6, 2026

IMSI vs IMEI: What Your Phone Broadcasts and Who Can Read It

IMSI and IMEI are IDs your phone shares with networks. Learn how they differ, how attackers get them, and why rotating your IMSI blunts tracking. [...]

The Hacker NewsNov 6, 2026

OpenAI Launches GPT-6 Cyber After AI Helps Find 81 Firefox Flaws, 948 Linux Exploits

OpenAI on Thursday unveiled GPT‑6 Cyber, which it described as a major step forward in security research that brings together stronger cybersecurity capabilities with a step-change improvement in model alignment. The new model is "more capable at finding and fixing…

BleepingComputerNov 6, 2026

Chainalysis says breach exposed credentials for all customers

Blockchain intelligence firm Chainalysis says a recent attack on its systems and internal tools has exposed credentials and live tokens for all customers. [...]

Dark ReadingNov 6, 2026

Why Europe's Freezer Hacks Spread So Far, So Fast

Europe's supermarket freezer hacks show how security issues can cascade across an industry, disrupting supply chains at scale.

BleepingComputerNov 6, 2026

D-Link warns of multiple zero-days in DGS-3130 Series switches

D-Link shared mitigation measures for multiple unpatched security flaws affecting DGS-3130 series managed Gigabit stackable switches. [...]

The Hacker NewsNov 6, 2026

Microsoft Paint RCE Fix Now Available, but Windows Update Won't Deliver It

A fix for CVE-2026-83844, a remote code execution flaw in Windows Paint, is now in the Microsoft Store. Paint gets this fix only through a Store update, not through Windows updates. The fixed build, 11.2609.401.0, was the newest Paint build in all ten countries The Hacker News…

The Hacker NewsNov 6, 2026

Malicious Browser Extensions Could Use Claude Dispatch to Run Code on Users' Computers

A browser extension that can run scripts on claude.ai could make Claude Desktop run code on a person's computer, researchers at Forever Security, an endpoint security company, showed in a test. The attack needs Dispatch, a Claude feature that lets people send tasks from their…

The Hacker NewsNov 6, 2026

The Flood is Coming And The Pipes Were Already Full

An update on Athena, and some unsolicited predictions on what's coming next On Saturday, Dario Amodei published We Must Pace the Frontier. I agree with him. Go read it if you haven't. I've spent the summer looking at what these models find, and the gap he describes between what…

BleepingComputerNov 6, 2026

MetaMask says recent attack didn't affect wallet infrastructure

Cryptocurrency wallet provider MetaMask said a recent security incident has not affected MetaMask wallets or its wallet infrastructure. [...]

Dark ReadingNov 6, 2026

UK Warns Its Critical Infrastructure Faces Grave Risk

Britain's new Labour-led government is making a concerted push to get ahead of the AI risks to its national networks and the industrial complex.

The Hacker NewsNov 6, 2026

Chainalysis Breach Exposes All Users' Credentials, Forces Shutdown of Key Services

Blockchain analysis firm Chainalysis has revealed that its ongoing investigation into the agentic cyber attack targeting its systems also exposed names, usernames, password hashes and live tokens for all users. "While we investigated, we removed access to Reactor and Data…

The Hacker NewsNov 6, 2026

Hackers Hide Linux Backdoor in Control Web Panel Server to Execute Commands Without Logs

A backdoor has been found hiding in the web server that runs Control Web Panel (CWP), a free panel for managing Linux hosting servers, researchers at QiAnXin's XLab said this week. The backdoored web server executes commands that attackers send via web requests, and those…

The Hacker NewsNov 6, 2026

Experts Demonstrate Barracuda Email Security Gateway Chain Enabling Root Access Without Login

Two flaws in Barracuda's Email Security Gateway, an email-filtering appliance, can be chained to run commands on it as root, its highest level of access, with no login required. The company released patches on Monday, and the security firm watchTowr detailed the attack chain on…

BleepingComputerNov 6, 2026

FBI, CISA warn of cyberattacks targeting refrigeration systems

The FBI and CISA warn that hackers are actively targeting industrial refrigeration and cold-chain monitoring systems worldwide, potentially causing food spoilage, equipment damage, and fire hazards. [...]

Dark ReadingNov 5, 2026

Operação de influência russa tem como alvo generalizado a América Latina

A operação, que contou com o uso de inteligência artificial, utilizou e-mails falsos, documentos governamentais falsificados e a criação de uma organização local para atacar escolas no Peru e no Equador, entre outras ações.

Dark ReadingNov 5, 2026

US Government Email Systems Open to Abuse Thanks to Typos

Erroneous or outdated DNS records can give attackers surprising powers over organizations' email systems.

BleepingComputerNov 5, 2026

Fake OpenAI, SpaceX events used to steal Microsoft, Google accounts

Hackers are using fake OpenAI, SpaceX, and Anthropic event invitations to lure employees into phishing attacks, using two different phishing-as-a-service platforms to steal Microsoft and Google account credentials and authentication sessions. [...]

Dark ReadingNov 5, 2026

What We Missed: Knicks Phishing Test Goes Out of Bounds

In this video conversation, Dark Reading editors discuss some of the news they didn't get a chance to cover, from an ill-conceived phishing simulation to a hacktivist attack on a US government agency.

BleepingComputerNov 5, 2026

Nearly 1.5 million exposed secrets targeted in new revocation program

Truffle Security has launched the Secrets Revocation Program, a free initiative that helps API key issuers revoke 1.4 million publicly exposed secrets that remain valid. [...]

BleepingComputerNov 5, 2026

OpenAI’s GPT-6 Astra silently obstructed safety research tasks

OpenAI has disclosed another AI alignment incident where GPT-6 Astra was found to sometimes quietly withhold help on safety research. [...]

Dark ReadingNov 5, 2026

APT29's Watering Holes Target Thousands of Mobile Users

After compromising websites, the Russian state-sponsored threat group is fingerprinting victims, then harvesting information from the interesting ones.

BleepingComputerNov 5, 2026

OpenSSH flaw lets attackers log into password-disabled Linux accounts

A newly disclosed OpenSSH vulnerability dubbed "*sshole" allows attackers to log in to certain Alpine Linux and other musl-based Linux accounts that are configured to block password authentication, simply by entering an oversized password. [...]

Dark ReadingNov 5, 2026

SecurityDataPipeline.com Launches as a New Educational Resource for the AI Era

The ungated resource explains how security data pipelines reduce SIEM ingestion costs, preserve detection coverage, and prepare the data layer for AI-driven security operations.

The Hacker NewsNov 5, 2026

OpenSSH Issues Emergency Fix for Flaw Letting Long Passwords Bypass SSH Auth on Alpine Linux

Attackers can log in to accounts that have no password, such as SSH key-only accounts, on some Alpine Linux servers running the standard openssh-server package. They need network access to the server, an account name, and a password between 257 and 1,024 bytes long. OpenSSH,…

The Hacker NewsNov 5, 2026

Researchers Bypass ChatGPT Lockdown Mode to Exfiltrate Chats Without User Interaction

Cybersecurity researchers have disclosed details of a now-patched vulnerability that could be exploited to bypass Lockdown Mode protections in OpenAI ChatGPT. Lockdown Mode was introduced by the artificial intelligence (AI) company in June 2026 as an optional setting to minimize…

BleepingComputerNov 5, 2026

Hackers backdoor Linux servers using trojanized CWP web server

A new Linux malware called CWPdoor is being distributed through a trojanized version of cwpsrv, the web server behind the Control Web Panel (CWP) management interface. [...]