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“Welcome to the CISTCK Group Cybersecurity Blog! Dive into the dynamic world of cybersecurity with our expert insights, thought-provoking articles, and the latest developments in the field. Our blog is your go-to resource for staying ahead in the ever-evolving landscape of cyber threats. Explore topics ranging from threat intelligence and risk management to industry best practices and emerging technologies. Whether you’re a cybersecurity professional, IT enthusiast, or simply interested in safeguarding digital landscapes, join us on a journey of knowledge-sharing and discover actionable strategies to fortify your defenses. Stay informed, stay secure with the CISTCK Group Cybersecurity Blog.”
eScan Antivirus Update Servers Compromised to Deliver Multi-Stage Malware
The update infrastructure for eScan antivirus, a security solution developed by Indian cybersecurity company MicroWorld Technologies, has been compromised by unknown attackers to deliver a persistent downloader to enterprise and consumer systems. "Malicious updates...
Open VSX Supply Chain Attack Used Compromised Dev Account to Spread GlassWorm
Cybersecurity researchers have disclosed details of a supply chain attack targeting the Open VSX Registry in which unidentified threat actors compromised a legitimate developer's resources to push malicious updates to downstream users. "On January 30, 2026, four...
Iran-Linked RedKitten Cyber Campaign Targets Human Rights NGOs and Activists
A Farsi-speaking threat actor aligned with Iranian state interests is suspected to be behind a new campaign targeting non-governmental organizations and individuals involved in documenting recent human rights abuses. The activity, observed by HarfangLab in January...
Mandiant Finds ShinyHunters-Style Vishing Attacks Stealing MFA to Breach SaaS Platforms
Google-owned Mandiant on Friday said it identified an "expansion in threat activity" that uses tradecraft consistent with extortion-themed attacks orchestrated by a financially motivated hacking group known as ShinyHunters. The attacks leverage advanced voice phishing...
CERT Polska Details Coordinated Cyber Attacks on 30+ Wind and Solar Farms
CERT Polska, the Polish computer emergency response team, revealed that coordinated cyber attacks targeted more than 30 wind and photovoltaic farms, a private company from the manufacturing sector, and a large combined heat and power plant (CHP) supplying heat to...
Researchers Uncover Chrome Extensions Abusing Affiliate Links and Stealing ChatGPT Access
Cybersecurity researchers have discovered malicious Google Chrome extensions that come with capabilities to hijack affiliate links, steal data, and collect OpenAI ChatGPT authentication tokens. One of the extensions in question is Amazon Ads Blocker (ID:...
China-Linked UAT-8099 Targets IIS Servers in Asia with BadIIS SEO Malware
Cybersecurity researchers have discovered a new campaign attributed to a China-linked threat actor known as UAT-8099 that took place between late 2025 and early 2026. The activity, discovered by Cisco Talos, has targeted vulnerable Internet Information Services (IIS)...
Badges, Bytes and Blackmail
Behind the scenes of law enforcement in cyber: what do we know about caught cybercriminals? What brought them in, where do they come from and what was their function in the crimescape? Introduction: One view on the scattered fight against cybercrime The growing...
Ex-Google Engineer Convicted for Stealing 2,000 AI Trade Secrets for China Startup
A former Google engineer accused of stealing thousands of the company's confidential documents to build a startup in China has been convicted in the U.S., the Department of Justice (DoJ) announced Thursday. Linwei Ding (aka Leon Ding), 38, was convicted by a federal...
SmarterMail Fixes Critical Unauthenticated RCE Flaw with CVSS 9.3 Score
SmarterTools has addressed two more security flaws in SmarterMail email software, including one critical security flaw that could result in arbitrary code execution. The vulnerability, tracked as CVE-2026-24423, carries a CVSS score of 9.3 out of 10.0. "SmarterTools...
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