The MuddyWater Iranian hackers disguised their operations as a Chaos ransomware attack, relying on  Microsoft Teams social engineering to gain access and establish persistence. [...]

A previously undocumented Linux implant named Quasar Linux (QLNX) is targeting developers' systems with a mix of rootkit, backdoor, and credential-stealing capabilities. [...]

Hackers trojanized installers for the DAEMON Tools software and since April 8, delivered a backdoor to thousands of systems that downloaded the product from the official website. [...]

A 23-year-old university student in Taiwan was arrested for interfering with the TETRA communication system used by the country's high-speed railway network (THSR). [...]

Cybersecurity firm Kaspersky reports that the Amazon Simple Email Service (SES) is being increasingly abused to send convincing phishing emails that can bypass standard security filters and render reputation-based blocks ineffective. [...]

A new version of the CloudZ remote access tool (RAT) is deploying a previously unseen malicious plugin called Pheno that hijacks the Microsoft Phone Link connection to steal sensitive codes from mobile devices. [...]

The North Korean hacker group APT37 has been delivering an Android version of a backdoor called BirdCall in a supply-chain attack through a video game platform. [...]

Hackers have been exploiting a critical vulnerability (CVE-2026-22679) in the Weaver E-cology office automation since mid-March to run discovery commands. [...]

The Amazon Simple Email Service (SES) is being increasingly abused to send convincing phishing emails that can bypass standard security filters and render reputation-based blocks ineffective. [...]

A malicious version of the PyTorch Lightning package published on the Python Package Index (PyPI) delivers a credential-stealing payload targeting browsers, environment files, and cloud services. [...]

A new attack type, dubbed ConsentFix v3, has been circulating on hacker forums, building on the previous technique by adding automation and scaling potential. [...]

A new phishing kit named Bluekit offers more than 40 templates targeting popular services and includes basic AI features for generating campaign drafts. [...]

An exploit has been published for a local privilege escalation vulnerability dubbed "Copy Fail" that impacts Linux kernels released since 2017, allowing an unprivileged local attacker to gain root permissions. [...]

The critical CVE-2026-41940 authentication bypass vulnerability in cPanel, WHM, and WP Squared is being actively exploited in the wild and has been leveraged in attempts since late February. [...]

The Quick Page/Post Redirect plugin, installed on more than 70,000 WordPress sites, had a backdoor added five years ago that allows injecting arbitrary code into users' sites. [...]

Hackers are exploiting two authentication bypass vulnerabilities in the Qinglong open-source task scheduling tool to deploy cryptominers on developers' servers. [...]

The Ukrainian police have arrested three individuals who hacked more than 610,000 Roblox gaming accounts and sold them for a profit of $225,000. [...]

A critical vulnerability affecting all but the latest versions of cPanel and the WebHost Manager (WHM) dashboard could be exploited to obtain access to the control panel without authentication. [...]

Researchers are warning that the VECT 2.0 ransomware has a problem in the way it handles encryption nonces that leads to permanently destroying larger files rather than encrypt them. [...]