Bleeping Computer.

Microsoft has fixed a known issue that caused bright white flashes when launching File Explorer in dark mode on Windows 11 systems after installing the KB5070311 optional update. [...]

Google has released emergency updates to fix another Chrome zero-day vulnerability exploited in the wild, marking the eighth such security flaw patched since the start of the year. [...]

A new AMOS infostealer campaign is abusing Google search ads to lure users into Grok and ChatGPT conversations that appear to offer "helpful" instructions but ultimately lead to installing the AMOS info-stealing malware on macOS. [...]

A new Android malware called DroidLock has emerged with capabilities to lock screens for ransom payments, erase data, access text messages, call logs, contacts, and audio data. [...]

Microsoft is working on a new Teams security feature that will analyze suspicious traffic with external domains to help IT administrators tackle potential security threats. [...]

More than 10,000 Docker Hub container images expose data that should be protected, including live credentials to production systems, CI/CD databases, or LLM model keys. [...]

Recent supply-chain breaches show how attackers exploit development tools, compromised credentials, and malicious NPM packages to infiltrate manufacturing and production environments. Acronis explains why secure software development life cycle (SSDLC) practices are now critical for evaluating partners and protecting systems. [...]

A new phishing kit called Spiderman is being used to target customers of dozens of European banks and cryptocurrency holders with pixel-perfect cloned sites impersonating brands and organizations. [...]

U.S. prosecutors have charged a Ukrainian national for her role in cyberattacks targeting critical infrastructure worldwide, including U.S. water systems, election systems, and nuclear facilities, on behalf of Russian state-backed hacktivist groups. [...]

SAP has released its December security updates addressing 14 vulnerabilities across a range of products, including three critical-severity flaws. [...]

Microsoft says Windows PowerShell now warns when running scripts that use the Invoke-WebRequest cmdlet to download web content, aiming to prevent potentially risky code from executing. [...]

Microsoft has released the KB5071546 extended security update to resolve 57 security vulnerabilities, including three zero-day flaws. [...]

Microsoft's December 2025 Patch Tuesday fixes 57 flaws, including one actively exploited and two publicly disclosed zero-day vulnerabilities. [...]

Fortinet has released security updates to address two critical vulnerabilities in FortiOS, FortiWeb, FortiProxy, and FortiSwitchManager that could allow attackers to bypass FortiCloud SSO authentication. [...]

Microsoft has released Windows 11 KB5072033 and KB5071417 cumulative updates for versions 25H2/24H2 and 23H2 to fix security vulnerabilities, bugs, and add new features. [...]

American IT software company Ivanti warned customers today to patch a newly disclosed vulnerability in its Endpoint Manager (EPM) solution that could allow attackers to execute code remotely. [...]

Poor IT hygiene, such as unused accounts, outdated software, and risky extensions, creates hidden exposure in your infrastructure. Wazuh, the open-source XDR and SIEM, shows how continuous inventory monitoring across endpoints helps teams spot drift and tighten security. [...]

The National Police in Spain have arrested a suspected 19-year-old hacker in Barcelona, for allegedly stealing and attempting to sell 64 million records obtained from breaches at nine companies. [...]

A new malware implant called EtherRAT, deployed in a recent React2Shell attack, runs five separate Linux persistence mechanisms and leverages Ethereum smart contracts for communication with the attacker. [...]

An initial access broker tracked as Storm-0249 is abusing endpoint detection and response solutions and trusted Microsoft Windows utilities to load malware, establish communication, and persistence in preparation for ransomware attacks. [...]