Microsoft security researchers have discovered a new backdoor malware that uses the OpenAI Assistants API as a covert command-and-control channel. [...]

Three former employees of cybersecurity incident response companies DigitalMint and Sygnia have been indicted for allegedly hacking the networks of five U.S. companies in BlackCat (ALPHV) ransomware attacks between May 2023 and November 2023. [...]

Threat actors are targeting freight brokers and trucking carriers with malicious links and emails to deploy remote monitoring and management tools (RMMs) that enable them to hijack cargo and steal physical goods. [...]

An out-of-band (OOB) security update that patches an actively exploited Windows Server Update Service (WSUS) vulnerability has broken hotpatching on some Windows Server 2025 devices. [...]

Device code phishing abuses the OAuth device flow, and Google and Azure produce strikingly different attack surfaces. Register for Huntress Labs' Live Hack to learn about attack techniques, defensive tactics, and get an Identity Security Assessment. [...]

A hacker has taken responsibility for last week's University of Pennsylvania "We got hacked" email incident, saying it was a far more extensive breach that exposed data on 1.2 million donors and internal documents. [...]

The Open VSX registry rotated access tokens after they were accidentally leaked by developers in public repositories and allowed threat actors to publish malicious extensions in an attempted supply-chain attack. [...]

China-linked cyber-espionage actors tracked as 'Bronze Butler' (Tick) exploited a Motex Lanscope Endpoint Manager vulnerability as a zero-day to deploy an updated version of their Gokcpdoor malware. [...]

Two Windows vulnerabilities—one a zero-day that has been known to attackers since 2017 and the other a critical flaw that Microsoft initially tried and failed to patch recently—are under active exploitation in widespread attacks targeting a swath of the Internet, researchers say. The zero-day went undiscovered until …

The University of Pennsylvania suffered a cybersecurity incident on Friday, where students and alumni received a series of offensive emails from various University email addresses, claiming that data was stolen in a breach. [...]

Microsoft is introducing a new scareware sensor for the Microsoft Edge web browser, which helps detect scam pages more quickly and ensures that Defender SmartScreen blocks them faster. [...]

The Australian government is warning about ongoing cyberattacks against unpatched Cisco IOS XE devices in the country to infect routers with the BadCandy webshell. [...]

Passwords still matter — and weak policies leave the door wide open. Specops Software explains how longer passphrases, smarter banned-password lists, and adaptive rotation strategies can strengthen security without frustrating users. [...]

The Russian authorities have arrested three individuals in Moscow who are believed to be the creators and operators of the Meduza Stealer information-stealing malware. [...]

CISA confirmed on Thursday that a high-severity privilege escalation flaw in the Linux kernel is now being exploited in ransomware attacks. [...]

A China-linked hacking group is exploiting a Windows zero-day in attacks targeting European diplomats in Hungary, Belgium, and other European nations. [...]

A Ukrainian national believed to be a member of the Conti ransomware operation has been extradited to the United States and faces charges that could get him 25 years in prison. [...]

Near-Field Communication (NFC) relay malware has grown massively popular in Eastern Europe, with researchers discovering over 760 malicious Android apps using the technique to steal people's payment card information in the past few months. [...]

CISA has ordered federal agencies to patch a high-severity vulnerability in Broadcom's VMware Aria Operations and VMware Tools software, exploited by Chinese hackers since October 2024. [...]

Ribbon Communications, a provider of telecommunications services to the U.S. government and telecom companies worldwide, revealed that nation-state hackers breached its IT network as early as December 2024. [...]

American business services giant Conduent has confirmed that a 2024 data breach has impacted over 10.5 million people, according to notifications filed with the US Attorney General's offices. [...]

WhatsApp is rolling out passkey-encrypted backups for iOS and Android devices, enabling users to encrypt their chat history using their fingerprint, face, or a screen lock code. [...]

Peter Williams, a former general manager at U.S. defense contractor L3Harris Trenchant, has pleaded guilty in U.S. District Court to stealing and selling confidential cybersecurity information to a Russian vulnerability exploit broker. [...]

The Cybersecurity and Infrastructure Security Agency (CISA) and the National Security Agency (NSA) have released guidance to help IT administrators harden Microsoft Exchange servers on their networks against attacks. [...]

AI agents now make decisions and access systems on their own, creating identity blind spots traditional tools can't see. Learn how Token Security brings identity-first security to agentic AI — making every agent verified, owned, and accountable. [...]