CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2025-39964 Linux Kernel Race Condition Vulnerability CVE-2026-53266 Linux Kernel Out-of-Bounds Write Vulnerability These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose significant risks to the federal enterprise. Binding Operational Directive…
Cybersecurity researchers have flagged a new Android malware called RatHat that’s assessed to be operated by China-based threat actors and features an artificial intelligence (AI)-powered system to navigate and control compromised devices. “Distributed primarily via targeted smishing (SMS/text phishing) and malvertising campaigns leading to deceptive third-party download portals, RatHat uses
A financially motivated threat actor has been linked to the development and distribution of a JavaScript (JS)-based information stealer known as PhantomRaven via the npm package registry. “The developer likely wrote the malware using a large language model (LLM), an assessment made with high confidence based on verbose comments, placeholder code, and statistical token-analysis patterns,”
The latest zero-day has a maximum-severity rating and affects Cisco Identity Services Engine, a product hit with three actively exploited vulnerabilities since June 2025. The post Cisco alerts customers to second actively exploited zero-day in as many days appeared first on CyberScoop.
Akira, one of the ransomware world’s most prolific extortion crews, added a new name to its dark web leak site on September 16, 2026: Manders, a family-owned contractor based in the Washington, D.C. metropolitan area. The listing, first spotted by the threat-tracking service ransomware.live and documented separately by RedPacket Security, claims the group extracted roughly…
A ransomware crew that did not exist on August 4, 2026 had hit 16 companies across 11 countries by early September. Panzer, the group’s self-chosen name, launched a leak site on August 5 and, within roughly a month, built an affiliate network offering cross-platform encryptors for Windows, Linux, FreeBSD, and VMware ESXi. Researchers who track…
Cybercriminals used NightmareStresser to launch hundreds of thousands of DDoS attacks since at least 2022. Threat actors behind the operation claimed links to Russia. The post Authorities seize popular, long-running DDoS-for-hire service domains appeared first on CyberScoop.
The China-aligned state-sponsored threat actor known as FamousSparrow has been observed deploying a previously unreported backdoor called SparroWocky in attacks targeting multiple countries in Latin America since at least August 2025. “SparroWocky is a modular, C++ backdoor,” ESET security researchers Alexandre Côté Cyr and Romain Dumont said in a technical report shared with The Hacker…
CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-76460 Cisco Identity Services Engine Incorrect Use of Privileged APIs Vulnerability CVE-2026-87886 Acronis Backup Incorrect Default Permissions Vulnerability These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose significant risks to…
CISA developed this guidance to help defensive teams at varying levels of cybersecurity maturity plan and implement cyber decoy strategies that strengthen their detection and response capabilities. Many organizations struggle to detect adversaries who use legitimate credentials, native tools, and living off the land (LOTL) techniques to conduct discovery, move laterally, and access data. Cyber…