A new ransomware actor called Spirals completed a corporate intrusion, from initial access to data theft and encryption, in less than 24 hours. [...]

The Dutch Police announced the arrest of multiple individuals suspected of being part of an international investment fraud scheme estimated to have tens of thousands of victims. [...]

Zoom is warning of a critical vulnerability in its desktop client and software development kit for Windows that could be exploited by an unauthenticated party to hijack accounts. [...]

Right on the heels of Microsoft releasing a record number of security patches, a researcher has published exploit code that can enable low-privilege Windows accounts to make sensitive changes to administrator accounts. The exploit, which multiple researchers say works, is sending Microsoft scrambling, yet again, to patch a zero-day …

A Russian-speaking threat actor known as "bandcampro" used Google's open-source Gemini CLI AI tool as a hacking agent and to operate a small-scale botnet. [...]

Five malicious versions of AsyncAPI packages were published to the Node Package Manager (npm) in a supply-chain attack that delivered a remote access trojan with info-stealing capabilities. [...]

Intruder built an AI-powered "vulnerability vending machine" that combines code slicing with LLMs to automatically discover complex software vulnerabilities. The company explains how the system found and exploited a previously unknown WordPress plugin zero-day, with additional discoveries already under responsible disclosure. [...]

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warned Tuesday that attackers are actively exploiting three vulnerabilities to hack Internet-exposed on-premises SharePoint Server instances. [...]

U.S. federal prosecutors have unsealed charges against three Russian nationals, accusing them of providing bulletproof hosting (BPH) services to ransomware gangs that caused over $62 million in damages to victims worldwide. [...]

An industry-wide standard Microsoft invented to protect Windows, and later Linux, devices from firmware infections has been trivial to bypass for 13 of its 14 years of existence. The discovery was made by researchers at security firm ESET after identifying 11 firmware images, at least one from 2013, that …

SonicWall warns that threat actors have been exploiting two SMA1000 vulnerabilities, tracked as CVE-2026-15409 and CVE-2026-15410, in zero-day attacks and urges customers to install the newly released security updates. [...]

The Spanish Police dismantled a cybercrime and money-laundering organization that made €140 million ($160 million) from investment fraud and business email compromise (BEC) attacks. [...]

A threat actor has published hundreds of fake GitHub repositories impersonating legitimate software and security projects to distribute infostealer malware. [...]

Microsoft has released the Windows 10 KB5099539 extended security update, which includes this month's record-breaking July 2026 Patch Tuesday fixes, along with additional security improvements. [...]

Today is Microsoft's July 2026 Patch Tuesday, and with it comes security updates for a record-breaking 570 flaws, including two zero-day vulnerabilities exploited in attacks and one publicly disclosed. [...]

Progress Software has confirmed that a high-severity zero-day vulnerability is behind the emergency shutdown of ShareFile Storage Zone Controllers last week and has released security updates to patch the flaw. [...]

The federal government is warning users of home and small office routers to secure their devices as Russia state hackers continue to mass-compromise them for use in obscuring nefarious actions against sensitive organizations in the public and private sectors. Both the Russian and Chinese governments have been compromising routers …

Japan's largest taxi operator, Nihon Kotsu, announced that its systems were compromised in a cyberattack, forcing the company to shut down part of its infrastructure. [...]

The Jscrambler client-side web security company disclosed that a threat actor published a malicious version of its npm package that has been downloaded almost 1,500 times. [...]

A new macOS information-stealing malware called CrashStealer pretends to be Apple's crash-reporting tool to steal credentials, keychain data, and crypto wallets. [...]

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is warning that attackers are exploiting vulnerabilities in the iCagenda and Balbooa Forms extensions for Joomla to achieve remote code execution through arbitrary file uploads. [...]

Prompt injections, the malicious commands attackers embed into content to entice large language models to follow them, have been attackers’ go-to tool for turning AI platforms against their users. A well-phrased command sneaked into an email or calendar invitation is often all it takes to cause the LLM to …

German discount supermarket chain Lidl notified customers in Germany, Belgium, and the Netherlands that attackers stole their personal information in a breach at a service provider. [...]

Learn how attackers abuse Entra ID through a free hands-on Capture the Flag. Varonis created the Breach at the Beach CTF to teach defenders how to investigate Entra ID attack techniques using realistic scenarios. [...]

UK authorities charged five people following a National Crime Agency (NCA) investigation into Russian Coms, a major caller ID spoofing platform used by criminals to make over 1.8 million scam calls. [...]