- Threat landscape for industrial automation systems in Q2 2025
September 19, 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 on which malicious objects were blocked ranged from 11.2% in Northern Europe to 27.8% in Africa. ...
- “Shai-Hulud” Worm Compromises npm Ecosystem in Supply Chain Attack
September 17, 2025
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 180 software packages. This attack represents a significant evolution in supply chain threats, leveraging automated propagation ...
- RevengeHotels: a new wave of attacks leveraging LLMs and VenomRAT
September 16, 2025
RevengeHotels, also known as TA558, is a threat group that has been active since 2015, stealing credit card data from hotel guests and travelers. RevengeHotels’ modus operandi involves sending emails with phishing links which redirect victims to websites mimicking document storage. These sites, in turn, download script files to ultimately infect the targeted machines. The final ...
- Shiny tools, shallow checks: how the AI hype opens the door to malicious MCP servers
September 15, 2025
In this article, Kaspersky researchers explore how the Model Context Protocol (MCP) — the new “plug-in bus” for AI assistants — can be weaponized as a supply chain foothold. The researchers start with a primer on MCP, map out protocol-level and supply chain attack paths, then walk through a hands-on proof of concept: a seemingly legitimate ...
- Unmasking The Gentlemen Ransomware: Tactics, Techniques, and Procedures Revealed
September 9, 2025
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 enterprise environments. By adapting their tools mid-campaign—shifting from generic anti-AV utilities to highly targeted, specific variants—the ...
- CMS Sitecore patches critical zero-day flaw
September 5, 2025
Popular CMS platform Sitecore has patched a critical zero-day vulnerability found to be being abused in cyberattacks. Security researchers from Mandiant observed threat actors exploiting a zero-day flaw to deploy malware, as well as other legitimate software. The flaw stemmed from the use of sample ASP.NET machine keys published in old deployment guides (pre-2017), and is ...
- An Earth-Shattering Kaboom: Bringing a Physical ICS Penetration Testing Environment to Life (Part 2)
September 2, 2025
This is the second in a three-part series on building and using a testing bench for Industrial Control Systems (ICS). In this series, Rapi7 researchers will build a physical test bench, review program logic to find flaws, perform manual exploitation of commonly used ICS protocols such as Modbus, then develop malware to automatically exploit the bench ...
- Hackers are now hiding malware in the images served up by LLMs
August 31, 2025
As AI tools become more integrated into daily work, the security risks attached to them are also evolving in new directions. Researchers at Trail of Bits have demonstrated a method where malicious prompts are hidden inside images and then revealed during processing by large language models. The technique takes advantage of how AI platforms downscale images ...
- TAOTH Campaign Exploits End-of-Support Software to Target Traditional Chinese Users and Dissidents
August 28, 2025
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 editor (IME) software, Sogou Zhuyin. As brief explanation, an IME is a tool that interprets sequences ...
- Deception in Depth: PRC-nexus espionage campaign hijacks web traffic to target diplomats
August 25, 2025
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 engineering and evasion techniques, and technical aspects of the multi-stage malware payloads. In this campaign, the ...