A financially motivated threat actor is using open-source AI agent frameworks to attack hundreds of online retailers at scale, stealing more than 600,000 credit card records. [...]
Classification: Critical, Solution: Official Fix, Exploit Maturity: High, CVSSv3.1: 10.0, CVEs: CVE-2026-75650, Summary: Adobe has released a security update for Adobe Commerce and Magento Open Source. This update resolves a critical vulnerability that could result in arbitrary code execution. Adobe is aware of CVE-2026-75650 being exploited in the wild. CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H CVSS:3.1 10.0
Introduction Beginning in 2024 Mandiant investigated a string of compromises affecting Brazilian financial services, retail, and eCommerce organizations. Google Threat Intelligence Group (GTIG) tracks this activity as BREEZE COMET (formerly UNC5669), a financially motivated threat actor specializing in manipulating payment systems and banking software in Brazil to conduct fraudulent transfers. This activity overlaps with operations publicly reported as Plump Spider and SHADOW-AETHER-064. In…
In this article What is device isolation?Case study: QNETAttack chain overviewMITRE ATT&CK techniques observedReferencesLearn more Microsoft Defender’s attack disruption now includes device isolation, a new response action that extends autonomous protection directly to compromised endpoints. At QNET, an attacker initiated a multi-stage attack using a legitimate Windows tool on a compromised endpoint to retrieve a malicious remote payload–a classic living-off-the-land (LOL) technique that often…