Latest cybersecurity reporting from selected sources.

A new Kyber ransomware operation is targeting Windows systems and VMware ESXi endpoints in recent attacks, with one variant implementing Kyber1024 post-quantum encryption. [...]

Omnissa telemetry suggests business buyers are loving Apple and Google End-user compute vendor Omnissa, the company formed by the spin-out of VMware’s virtual desktops, applications, and device management biz, has dug into the telemetry it collects from customers and painted a picture of the world’s enterprise hardware fleet – and the news is better for Google and Apple than it is for Microsoft.…

Also, SmarterMail Flaw, Nike Breach Probe, Empire Market Co-Creator Pleads GuiltyThis week, researchers exposed an Android RAT abusing Hugging Face. Attackers exploited a SmarterMail flaw. Automakers raised cyber spending. CISA flagged a VMware bug. Microsoft patched Office. An Empire Market co-creator pleaded guilty. Nike probed a breach.

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday released details of a backdoor named BRICKSTORM that has been put to use by state-sponsored threat actors from the People's Republic of China (PRC) to maintain long-term persistence on compromised systems

The Kraken ransomware, which targets Windows, Linux/VMware ESXi systems, is testing machines to check how fast it can encrypt data without overloading them. [...]

Operation Cronos didn’t kill LockBit – it just came back meaner Trend Micro has sounded the alarm over the new LockBit 5.0 ransomware strain, which it warns is "significantly more dangerous" than past versions due to its newfound ability to simultaneously target Windows, Linux, and VMware ESXi environments. …

During the second day of Pwn2Own Berlin 2025, competitors earned $435,000 after exploiting zero-day bugs in multiple products, including Microsoft SharePoint, VMware ESXi, Oracle VirtualBox, Red Hat Enterprise Linux, and Mozilla Firefox. [...]

Broadcom has issued security patches to address a high-severity security flaw in VMware Tools for Windows that could lead to an authentication bypass

Broadcom released security updates today to fix a high-severity authentication bypass vulnerability in VMware Tools for Windows. [...]

There's only one rule – don't attack Russia, duh Check Point has spotted a fresh ransomware-as-a-service crew in town: VanHelsing, touting a cross-platform locker targeting Microsoft Windows, Linux, and VMware ESXi systems, among others. But so far, only Windows machines have fallen victim, we're told.…

Broadcom warned customers today about three VMware zero-days, tagged as exploited in attacks and reported by the Microsoft Threat Intelligence Center. [...]

FBI, CISA harrumph at Microsoft and VMware in call for coders to quit baking avoidable defects into stuff US authorities have labelled buffer overflow vulnerabilities "unforgivable defects”, pointed to the presence of the holes in products from the likes of Microsoft and VMware, and urged all software developers to adopt secure-by-design practices to avoid creating more of them.…

Cybersecurity researchers have shed light on a Linux variant of a relatively new ransomware strain called Helldown, suggesting that the threat actors are broadening their attack focus

Get those patches applied – all the big dogs are abusing it Do you have your VMware ESXi hypervisor joined to Active Directory? Well, the latest news from Microsoft serves as a reminder that you might not want to do that given the recently patched vulnerability that has security experts deeply concerned.…

The ransomware-as-a-service platform just rolled off the assembly line, also targets Windows, and uses Golang for cross-platform capabilities.

While cloud adoption has been top of mind for many IT professionals for nearly a decade, it’s only in recent months, with industry changes and announcements from key players, that many recognize the time to make the move is now. It may feel like a daunting task, but tools exist to help you move your virtual machines (VMs) to a public cloud provider – like Microsoft Azure

Plus: Google Chrome, Apple bugs also exploited in the wild Happy May Patch Tuesday. We've got a lot of vendors joining this month's patchapalooza, which includes a handful of bugs that have been exploited — either in the wild or at Pwn2Own — and now fixed by Microsoft, Apple, Google and VMware.…

Plus: Adobe, SAP, Fortinet, VMware, Cisco issue pressing updates Patch Tuesday Microsoft fixed 149 security flaws in its own products this week, and while Redmond acknowledged one of those vulnerabilities is being actively exploited, we've been told another hole is under attack, too.…

VMware urged admins today to remove a discontinued authentication plugin exposed to authentication relay and session hijack attacks in Windows domain environments via two security vulnerabilities left unpatched. [...]

Plus: Uncle Sam says Ivanti exploits 'consistent with PRC' snoops A VMware security vulnerability has been exploited by Chinese cyberspies since late 2021, according to Mandiant, in what has been a busy week for nation-state espionage news.…