Microsoft's October Windows 11 updates have broken the "localhost" functionality, making applications that connect back to 127.0.0.1 over HTTP/2 no longer function properly. [...]

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. [...]

Threat actors exploited a recently patched remote code execution vulnerability (CVE-2025-20352) in older, unprotected Cisco networking devices to deploy a Linux rootkit and gain persistent access. [...]

Microsoft has disrupted a wave of Rhysida ransomware attacks in early October by revoking over 200 certificates used to sign malicious Teams installers. [...]

​​​​​Microsoft reminded customers this week that Office 2016 and Office 2019 have reached the end of extended support on October 14, 2025. [...]

Gladinet has released security updates for its CentreStack business solution to address a local file inclusion vulnerability (CVE-2025-11371) that threat actors have leveraged as a zero-day since late September. [...]

CISA has warned that attackers are actively exploiting a maximum-severity vulnerability in Adobe Experience Manager to execute code on unpatched systems. [...]

Traditional MDR focuses on reacting to attacks already in motion — but modern threats demand prevention. Picus Security explains how Unified Exposure Management Platforms continuously identifies, validates, and fixes exploitable risks before adversaries strike. [...]

North Korean hackers were observed employing the 'EtherHiding' tactic to deliver malware, steal cryptocurrency, and perform espionage with stealth and resilience. [...]

Microsoft says Windows 11 users can now start a conversation with the AI-powered Copilot digital assistant by saying the "Hey Copilot" wake word. [...]

Microsoft announced today a new Windows 11 Copilot feature called Copilot Actions that enables AI agents to perform real tasks on local files and applications. [...]

YouTube is currently facing a global outage, with users reporting playback errors on both the website and mobile apps. [...]

The Information Commissioner's Office (ICO) in the UK has fined Capita, a provider of data-driven business process services, £14 million ($18.7 million) for a data breach incident in 2023 that exposed the personal information of 6.6 million people. [...]

19-year-old college student Matthew D. Lane, from Worcester, Massachusetts, was sentenced to 4 years in prison for orchestrating a cyberattack on PowerSchool in December 2024 that resulted in a massive data breach. [...]

An ongoing phishing campaign is targeting LastPass and Bitwarden users with fake emails claiming that the companies were hacked, urging them to download a supposedly more secure desktop version of the password manager. [...]

Cybersecurity company F5 has released security updates to address BIG-IP vulnerabilities stolen in a breach detected on August 9, 2025. [...]

Microsoft has confirmed that the September 2025 security updates are causing Active Directory issues on Windows Server 2025 systems. [...]

Spanish fashion retailer MANGO is sending notices of a data breach to its customers, warning that its marketing vendor suffered a compromise exposing personal data. [...]