Bleeping Computer.

A threat actor named 'Hazy Hawk' has been using DNS CNAME hijacking to hijack abandoned cloud endpoints of domains belonging to trusted organizations and incorporate them in large-scale scam delivery and traffic distribution systems (TDS). [...]

The official website for the RVTools VMware management tool was taken offline in what appears to be a supply chain attack that distributed a trojanized installer to drop the Bumblebee malware loader on users' machines. [...]

The official website for the RVTools VMware management tool was taken offline in what appears to be a supply chain attack that distributed a trojanized installer to drop the Bumblebee malware loader on users' machines. [...]

Service desks are on the front lines of defense—and attackers know it. Attackers are using social engineering attacks to trick agents into changing passwords, disabling MFA, and granting access. Learn more from Specops Software on how to secure your service desk. [...]

OpenAI is planning to combine multiple products (features or models) into its next foundational model, which is called GPT-5. [...]

Threat actors have been distributing trojanized versions of the KeePass password manager for at least eight months to install Cobalt Strike beacons, steal credentials, and ultimately, deploy ransomware on the breached network. [...]

A flaw in O2 UK's implementation of VoLTE and WiFi Calling technologies could allow anyone to expose the general location of a person and other identifiers by calling the target. [...]

Microsoft has released out-of-band updates to fix a known issue causing Windows 10 systems to boot into BitLocker recovery after installing the May 2025 security updates. [...]

Arla Foods has confirmed to BleepingComputer that it was targeted by a cyberattack that has disrupted its production operations. [...]

Microsoft is replacing 'Copilot Runtime' with Windows AI Foundry to help developers build, experiment, and reach users with AI experiences in their apps. [...]

At the Build 2025 developer conference, Microsoft announced a new 'Advanced Settings' feature to help users and developers personalize the OS experience. [...]

Microsoft has open-sourced the Windows Subsystem for Linux (WSL), making its source code available on GitHub, except for a few components that are part of Windows. [...]

The United Kingdom's Legal Aid Agency (LAA) has confirmed that a recent cyberattack is more serious than first believed, with hackers stealing a large trove of sensitive applicant data in a data breach. [...]

Mozilla released emergency security updates to address two Firefox zero-day vulnerabilities demonstrated in the recent Pwn2Own Berlin 2025 hacking competition. [...]

The Pwn2Own Berlin 2025 hacking competition has concluded, with security researchers earning $1,078,750 after exploiting 29 zero-day vulnerabilities and encountering some bug collisions. [...]

A new tool called 'Defendnot' can disable Microsoft Defender on Windows devices by registering a fake antivirus product, even when no real AV is installed. [...]

​Microsoft has confirmed that some Windows 10 and Windows 10 Enterprise LTSC 2021 systems will boot into BitLocker recovery after installing the May 2025 security updates. [...]

An American-Israeli national namedAlexander Gurevich has been arrested in Israel for his alleged involvement in exploiting the Nomad bridge smart-contract in August 2022 that allowed hackers to siphon $190 million. [...]

OpenAI is rolling out 'Codex' for ChatGPT, which is an AI agent that automates and delegates programming tasks for software engineers. [...]

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. [...]