Petróleos de Venezuela (PDVSA), Venezuela's state-owned oil company, was hit by a cyberattack over the weekend that disrupted its export operations. [...]

Ransomware groups are targeting hypervisors to maximize impact, allowing a single breach to encrypt dozens of virtual machines at once. Drawing on real-world incident data, Huntress explains how attackers exploit visibility gaps at the hypervisor layer and outlines steps orgs can take to harden virtualization infrastructure. [...]

Microsoft announced on Monday that it will soon block mobile devices running outdated email software from accessing Exchange Online services until they're updated. [...]

European law enforcement authorities dismantled a fraud network operating call centers in Ukraine that scammed victims across Europe out of more than 10 million euros. [...]

Audio streaming platform SoundCloud has confirmed that outages and VPN connection issues over the past few days were caused by a security breach in which threat actors stole a database exposing users' email addresses and profile information. [...]

Google is discontinuing its "dark web report" security tool, stating that it wants to focus on other tools it believes are more helpful. [...]

Japanese e-commerce giant Askul Corporation has confirmed that RansomHouse hackers stole around 740,000 customer records in the ransomware attack it suffered in October. [...]

A new malware-as-a-service (MaaS) information stealer named SantaStealer is being advertised on Telegram and hacker forums as operating in memory to avoid file-based detection. [...]

Adult video platform PornHub is being extorted by the ShinyHunters extortion gang after the search and watch history of its Premium members was reportedly stolen in a recent Mixpanel data breach. [...]

Users accessing the SoundCloud audio streaming platform through a virtual private network (VPN) connection are denied access to the service and see a 403 'forbidden' error. [...]

700Credit, a U.S.-based financial services and fintech company, will start notifying more than 5.8 million people that their personal information has been exposed in a data breach incident. [...]

Phishing attacks in 2025 increasingly moved beyond email, with attackers using social platforms, search ads, and browser-based techniques to bypass MFA and steal sessions. Push Security outlines key phishing trends and what security teams must know as identity-based attacks continue to evolve in 2026. [...]

Microsoft says that recent Windows 11 security updates are causing VPN networking failures for enterprise users running Windows Subsystem for Linux. [...]

Over the weekend, ​Google's threat intelligence team linked five more Chinese hacking groups to attacks exploiting the maximum-severity "React2Shell" remote code execution vulnerability. [...]

The French Interior Minister confirmed on Friday that the country's Ministry of the Interior was breached in a cyberattack that compromised e-mail servers. [...]

Microsoft has confirmed that the December 2025 security updates are breaking Message Queuing (MSMQ) functionality, affecting enterprise applications and Internet Information Services (IIS) websites. [...]

An email scam is abusing abusing PayPal's "Subscriptions" billing feature to send legitimate PayPal emails that contain fake purchase notifications embedded in the Customer service URL field. [...]

The pro-Russia hacktivist group CyberVolk launched a ransomware-as-a-service (RaaS) called VolkLocker that suffered from serious implementation flaws, allowing victims to potentially decrypt files for free. [...]

Apple has released emergency updates to patch two zero-day vulnerabilities that were exploited in an "extremely sophisticated attack" targeting specific individuals. [...]