XCSSET evolves again: Analyzing the latest updates to XCSSET’s inventory

Microsoft Threat Intelligence has identified yet another XCSSET variant in the wild that introduces further updates and new modules beyond those detailed in our March 2025 blog post. The XCSSET malware is designed to infect Xcode projects, typically used by Read More …

New LockBit 5.0 Targets Windows, Linux, ESXi

Trend™ Research has identified and analyzed the source binaries of a new LockBit version in the wild, which is the latest from the group’s activities following the February 2024 law enforcement operation (Operation Cronos) that disrupted their infrastructure. In early Read More …

Another BRICKSTORM: Stealthy Backdoor Enabling Espionage into Tech and Legal Sectors

Google Threat Intelligence Group (GTIG) is tracking BRICKSTORM malware activity, which is being used to maintain persistent access to victim organizations in the United States. Since March 2025, Mandiant Consulting has responded to intrusions across a range of industry verticals, Read More …

Threat landscape for industrial automation systems in Q2 2025

In Q2 2025, the percentage of ICS computers on which malicious objects were blocked decreased by 1.4 pp from the previous quarter to 20.5%. Compared to Q2 2024, the rate decreased by 3.0 pp. Regionally, the percentage of ICS computers Read More …

“Shai-Hulud” Worm Compromises npm Ecosystem in Supply Chain Attack

Palo Alto Networks Unit 42 is investigating an active and widespread software supply chain attack targeting the Node Package Manager (npm) ecosystem. A novel, self-replicating worm, which is currently being tracked as “Shai-Hulud,” is responsible for the compromise of over Read More …

Unmasking The Gentlemen Ransomware: Tactics, Techniques, and Procedures Revealed

In August 2025, Trend Micro investigated a new ransomware campaign orchestrated by The Gentlemen, an emerging and previously undocumented threat group. This threat actor quickly established itself within the threat landscape by demonstrating advanced capabilities through their systematic compromise of Read More …

TAOTH Campaign Exploits End-of-Support Software to Target Traditional Chinese Users and Dissidents

In June, Terend Micro researchers identified and investigated an unusual security incident involving the installation of two malware families, C6DOOR and GTELAM, on a victim’s host. Trend Micro investigation determined that the malware was delivered through a legitimate input method Read More …

Deception in Depth: PRC-nexus espionage campaign hijacks web traffic to target diplomats

This blog post presents Google Threat Intelligence Group (GTIG) findings and analysis of this espionage campaign, as well as the evolution of the threat actor’s operational capabilities. GTIG examine how the malware is delivered, how the threat actor utilized social Read More …

The Resurgence of IoT Malware: Inside the Mirai-Based Botnet Campaign

Over the past year, FortiGuard Labs has been tracking a stealthy malware strain exploiting a range of vulnerabilities to infiltrate systems. Initially disclosed by a Chinese cybersecurity firm under the name “Gayfemboy.” The malware resurfaced this past July with new Read More …

GodRAT – New RAT targeting financial institutions

In September 2024, Kaspersky researchers detected malicious activity targeting financial (trading and brokerage) firms through the distribution of malicious .scr (screen saver) files disguised as financial documents via Skype messenger. The threat actor deployed a newly identified Remote Access Trojan Read More …