A spearphishing attack that lasted a single day targeted members of the Ukrainian regional government administration and organizations critical for the war relief effort in Ukraine, including the International Committee of the Red Cross, UNICEF, and various NGOs. [...]

Hackers believed to be associated with China have leveraged the ToolShell vulnerability (CVE-2025-53770) in Microsoft SharePoint in attacks targeting government agencies, universities, telecommunication service providers, and finance organizations. [...]

The operators of Vidar Stealer, one of the most successful malware-as-a-service (MaaS) operations of the past decade, have released a new major version to reflect massive improvements in the malware. [...]

TP-Link has made firmware updates available for a broad range of Omada gateway models to address four vulnerabilities, among which a critical pre-auth OS command injection. [...]

CISA has confirmed that an Oracle E-Business Suite flaw tracked as CVE-2025-61884 is being exploited in attacks, adding it to its Known Exploited Vulnerabilities catalog. [...]

The latest releases of Cursor and Windsurf integrated development environments are vulnerable to more than 94 known and patched security issues in the Chromium browser and the V8 JavaScript engine. [...]

A federal judge has ordered spyware maker NSO to stop using its Pegasus app to target or infect users of WhatsApp. The ruling, issued Friday by Phyllis J. Hamilton of of the US District Court of the District of Northern California, grants a permanent injunction sought by WhatsApp owner …

The DNS0.EU non-profit public DNS service focused on European users announced its immediate shut down due to time and resource constraints. [...]

Japanese retail company Muji has taken offline its store due to a logistics outage caused by a ransomware attack at its delivery partner, Askul. [...]

Nearly 76,000 WatchGuard Firebox network security appliances are exposed on the public web and still vulnerable to a critical issue (CVE-2025-9242) that could allow a remote attacker to execute code without authentication. [...]

CISA says threat actors are now actively exploiting a high-severity Windows SMB privilege escalation vulnerability that can let them gain SYSTEM privileges on unpatched systems. [...]

A new and ongoing supply-chain attack is targeting developers on the OpenVSX and Microsoft Visual Studio marketplaces with self-spreading malware called GlassWorm that has been installed an estimated 35,800 times. [...]

Microsoft says the October 2025 Windows security updates are causing smart card authentication and certificate issues due to a change designed to strengthen the Windows Cryptographic Services. [...]

Malicious OAuth apps can hide inside Microsoft 365 tenants. Huntress Labs' Cazadora script helps uncover rogue apps before they lead to a breach. Dive deeper in their Tradecraft Tuesday sessions. [...]

Cybercriminals are using TikTok videos disguised as free activation guides for popular software like Windows, Spotify, and Netflix to spread information-stealing malware. [...]

A new malicious campaign is targeting macOS developers with fake Homebrew, LogMeIn, and TradingView platforms that deliver infostealing malware like AMOS (Atomic macOS Stealer) and Odyssey. [...]

ConnectWise released a security update to address vulnerabilities, one of them with critical severity, in Automate product that could expose sensitive communications to interception and modification. [...]

Envoy Air, a regional airline carrier owned by American Airlines, confirms that data was compromised from its Oracle E-Business Suite application after the Clop extortion gang listed American Airlines on its data leak site. [...]

European law enforcement in an operation codenamed 'SIMCARTEL' has dismantled an illegal SIM-box service that enabled more than 3,200 fraud cases and caused at least 4.5 million euros in losses. [...]

Earlier this week, Microsoft patched a vulnerability that was flagged with the "highest ever" severity rating received by an ASP.NET Core security flaw. [...]

VMware certification isn't just about passing exams — it's about mastering systems, proving expertise, and your career. Gain hands-on labs, discounts, and mentorship with VMUG Advantage to reach your next goal faster. [...]

Internet security nonprofit Shadowserver Foundation has found more than 266,000 F5 BIG-IP instances exposed online after the security breach disclosed by cybersecurity company F5 this week. [...]

Hacking groups—at least one of which works on behalf of the North Korean government—have found a new and inexpensive way to distribute malware from “bulletproof” hosts: stashing them on public cryptocurrency blockchains. In a Thursday post, members of the Google Threat Intelligence Group said the technique provides …

Major international auction house Sotheby's is notifying customers of a data breach incident on its systems where threat actors stole sensitive information, including financial details. [...]

Hackers stole the personal information of over 17.6 million people after breaching the systems of financial services company Prosper. [...]