T1059.004 - Unix Shell is a mitre_attack tracked across 50 threat clusters and 78 intelligence report mentions on ThreatCluster. First observed February 4, 2026; most recent activity July 27, 2026.
Cisco has disclosed a critical authentication bypass vulnerability, CVE-2026-20182, affecting its Catalyst SD-WAN Controller and Manager. This flaw allows unauthenticated remote attackers to bypass authentication and…
A cybersecurity incident involved a fake job interview scheme on Wellfound, where an operator named 'Felix' from 'HyperHive' targeted an individual using a social engineering tactic referencing their real CV. The attack…
Russian threat actors TA488 and TA458 are exploiting vulnerabilities in webmail servers, specifically targeting Ukrainian entities and government sectors. TA488 utilizes a half-click exploit via CVE-2025-66376 in Zimbra…
A critical zero-day vulnerability (CVE-2026-35273) in Oracle PeopleSoft has been exploited by the ShinyHunters group, leading to breaches of over 100 organizations, primarily in the education sector. The vulnerability…
APT41, a China-backed threat group, has been identified using a new zero-detection ELF backdoor targeting Linux cloud workloads across major platforms including AWS, Google Cloud Platform, Microsoft Azure, and Alibaba…
The Kimsuky group, linked to North Korea, targeted South Korean groupware vendors from late 2025 to early 2026, deploying new malware variants BirdTroy and DriveTroy. These Linux backdoors utilized Google Drive for…
The China-linked threat actor UAT-7810 is evolving its malware toolkit, notably introducing LONGLEASH, an upgraded version of the SHORTLEASH backdoor. This group exploits known vulnerabilities in unpatched Ruckus…
APT28 (Fancy Bear) has been linked to Operation Roundish, utilizing a comprehensive Roundcube exploitation toolkit against Ukrainian government targets. The toolkit, discovered in January 2026, includes XSS payloads, a…
The Harvester APT group has launched a Linux variant of its GoGra backdoor, utilizing the Microsoft Graph API and Outlook mailboxes for covert command-and-control operations. This malware is designed to evade…
A newly disclosed vulnerability in the Linux kernel, tracked as CVE-2026-31431 and named 'Copy Fail', allows unprivileged local users to gain root access on virtually all major Linux distributions released since 2017.…