BleepingComputer

The Tailscale security team is working to patch almost a dozen security vulnerabilities that could be exploited to steal credentials, crash servers, gain root privileges, and more.

​Apple has backported security patches released last month to older iPhones and iPads, addressing a zero-day bug exploited in "extremely sophisticated" targeted attacks on iOS devices.

French energy giant ENGIE, one of the world's largest power and natural gas providers, confirmed that attackers stole customer data after breaching a marketing platform used by business partners.

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added the PHP2Shell vulnerabilities to its catalog of actively exploited security flaws and ordered federal agencies to patch their systems by Thursday.

The University of Copenhagen in Denmark confirmed that hackers accessed one of its test environments containing personal data belonging to 525,000 people.

South Korean police identified seven suspects linked to a cybercrime operation that breached more than 90 organizations in the country, with ARTEX AI pentesting framework used in most of the attacks.

OpenAI has launched GPT-6.1 Terra, a new model focused on computer use, visual reasoning, coding, and everyday work, while costing significantly less than its larger models.

A critical flaw dubbed 'HTTP2Shell' in Brotli, the C decoder library built into Node.js, could allow attackers to corrupt memory and access sensitive data.

Microsoft released emergency .NET security updates to patch a critical vulnerability known as Broccoli2Shell, also tracked as Node2Shell and HTTP2Shell.

A Chinese national was arraigned in California after being extradited from the Netherlands for his alleged involvement in a cryptocurrency investment scam that stole nearly $37 million from 174 victims in the United States.

Kali Linux has released version 2026.3, its third release this year, featuring six new hacking tools, desktop environment improvements, refreshed build scripts, and more.

Two critical RCE vulnerabilities (CVE-2026-109618 and CVE-2026-109619), collectively tracked as PHP2Shell, have been successfully exploited in the wild.

Researchers found a malicious AGENTS markdown instruction file in a customer's Downloads folder that tricked an AI coding agent into installing a rogue npm package.

A new UEFI bootkit named BlackX, deployed in an espionage campaign in early 2026, exploited the old Baton Drop vulnerability to bypass Secure Boot and load a malicious driver designed to interfere with security solutions from Kaspersky and Avast.

Researchers remotely disabled a vulnerable updater in the abandoned Time4Popcorn app, a fork of the Popcorn Time BitTorrent client, closing a security flaw that could have allowed attackers to execute malicious code with elevated privileges on millions of computers.

Microsoft has announced plans to add AI-powered phishing detection to Teams messages starting in early November 2026.

Microsoft says Windows Server 2016 will stop receiving security updates after it reaches the end of support in January 2027.

American clinical laboratory company Quest Diagnostics disclosed that patient records have been exposed after a threat actor gained unauthorized access to its Quanum LSM system.

The PHP security team has shared mitigation measures for a new remote code execution vulnerability that affects systems with non-default configurations and has no patch.

Hewlett Packard Enterprise (HPE) released security updates to patch 72 vulnerabilities in the Aruba Operating System (ArubaOS), including eight maximum-severity authentication bypass and code execution issues.

Cloud platform Railway published an urgent warning to users after detecting suspicious activity on its systems that store customer environment variables earlier this week.

Japanese gaming giant Capcom has confirmed that hackers breached its membership service, CAPCOM ID, exposing more than 11.7 million customer email addresses and associated information.

Hackers compromised the LiteLLM project's PyPI package and published malicious Docker images with a payload that steals credentials, secrets, and environment variables.

Arista Networks released security updates to patch an actively exploited zero-day vulnerability affecting VeloCloud Orchestrator (VCO) On-Prem deployments.

Microsoft says IT admins can re-enable the retired Exchange Web Services (EWS) API in Exchange Online to fix EWS apps that have stopped working.

Security researchers at Amazon Threat Intelligence say attackers began targeting the PHP2Shell flaws four days before security patches were released on Wednesday.

GitLab has released security patches for a maximum-severity Regular Expression Compiler flaw that can let remote attackers run arbitrary code on vulnerable servers.

Nearly 11,000 cybercrime networks disrupted and over 1,400 arrests in Operation Serengeti III targeting business email compromise, ransomware, and online scams in Africa.

Chrome is getting new scam protections that use Gemini to detect deceptive websites and warn users when they copy suspicious commands from ClickFix attacks.

Hackers compromised the infrastructure of Onamae Desktop Cloud, a popular provider of VPS services in Japan, and installed malware on up to 26,739 customers' servers.

North Korean hackers are using a post-quantum cryptographic mechanism to secure malicious payload delivery in new operations that combine old and new malware.

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is warning that attackers are actively exploiting four vulnerabilities in Plex Media Server.

OpenAI agents powered by the GPT-6.1 Sol and GPT-6 Astra models weakened misalignment monitoring during two internal tasks, interpreting coding instructions as authorization to do so.

The PHP security team released emergency security patches for two critical remote code execution (RCE) vulnerabilities (CVE-2026-109618 and CVE-2026-109619) tracked collectively as PHP2Shell.

Microsoft has released PowerToys 0.102, with two new mouse utilities, new command-line tools, and Command Palette improvements.

Microsoft says it mistakenly flagged a bug causing Always On VPN connection issues as fixed in the October 2026 Windows 11 cumulative updates.

The Cybersecurity and Infrastructure Security Agency (CISA) says the SafePay ransomware gang has breached over 600 critical infrastructure organizations worldwide since 2024.

A threat actor breached TeamUpdraft's website, a developer of popular WordPress backup and security plugins, potentially compromising UpdraftCentral connection keys that can send commands to connected websites.

Certificate authority eMudhra revoked eight compromised intermediate certificates after researchers found their private keys were so weak that anyone could recover them almost instantly and use them to forge trusted certificates for legitimate websites.

Development platform Zeabur has disclosed details of a cybersecurity incident in which an attacker used leaked internal credentials stored in plaintext to compromise its infrastructure and steal over 3.2 million environment variable records and information for 321,810 accounts.

OpenAI confirmed that its newer models are much better at writing and migrating software in older programming languages.

The U.S. Department of Homeland Security (DHS) is ordering federal civilian agencies to stop using DeepSeek products and remove them from government systems.

A Nigerian national was sentenced to eight years in prison for his involvement in a series of spearphishing attacks targeting US tax preparation businesses since 2019.

Microsoft announced that IT administrators can now use quick machine recovery on Windows Server 2025 after installing the October 2026 security update.

French cloud and hosting provider OVHcloud is warning users that attackers compromised its open-source command-line interface (CLI) tool to distribute information-stealing malware.

Ahold Delhaize, one of the world's largest food retail chains, confirmed that last week's cyberattack disrupted services at stores across Europe and the United States.

Fintech company Revolut is working to resolve a massive outage that disrupted most of its services worldwide earlier today.

Nikkei Inc. disclosed a new data breach, the third in about a month, that exposed 1.83 million personal information records.

Some downloads of the Rank Math PRO WordPress plugin from the vendor's official website carried malware that planted hidden backdoors in a supply-chain attack last week.

Hackers reportedly compromised AOMEI's servers to distribute malware through a built-in promotional feature in its backup software, briefly tampering with configuration files before restoring them to their original state to hide the attacks.a