Our Blog
“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.”
Silver Fox Deploys ABCDoor Malware via Tax-Themed Phishing in India and Russia
The China-based cybercrime group known as Silver Fox has been linked to a new campaign targeting organizations in Russia and India with a new malware called ABCDoor. The activity involved using phishing emails that mimic correspondence from the Income Tax Department...
Critical cPanel Vulnerability Weaponized to Target Government and MSP Networks
A previously unknown threat actor has been observed targeting government and military entities in Southeast Asia, alongside a smaller cluster of managed service providers (MSPs) and hosting providers in the Philippines, Laos, Canada, South Africa, and the U.S., by...
Global Crackdown Arrests 276, Shuts 9 Crypto Scam Centers, Seizes $701M
A coordinated international operation involving U.S. and Chinese authorities has arrested at least 276 suspects and shut down nine scam centers used for cryptocurrency investment fraud schemes targeting Americans, resulting in millions of dollars in losses. The...
CISA Adds Actively Exploited Linux Root Access Bug CVE-2026-31431 to KEV
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added a recently disclosed security flaw impacting various Linux distributions to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation in the wild. The...
Trellix Confirms Source Code Breach With Unauthorized Repository Access
Cybersecurity company Trellix has announced that it suffered a breach that enabled unauthorized access to a "portion" of its source code. It said it "recently identified" the compromise of its source code repository and that it began working with "leading forensic...
30,000 Facebook Accounts Hacked via Google AppSheet Phishing Campaign
A newly discovered Vietnamese-linked operation has been observed using a Google AppSheet as a "phishing relay" to distribute phishing emails with an aim to compromise Facebook accounts. The activity has been codenamed AccountDumpling by Guardio, with the scheme...
Cybercrime Groups Using Vishing and SSO Abuse in Rapid SaaS Extortion Attacks
Cybersecurity researchers are warning of two cybercrime groups that are carrying out "rapid, high-impact attacks" operating almost within the confines of SaaS environments, while leaving minimal traces of their actions. The clusters, Cordial Spider (aka BlackFile,...
China-Linked Hackers Target Asian Governments, NATO State, Journalists, and Activists
Cybersecurity researchers have disclosed details of a new China-aligned espionage campaign targeting government and defense sectors across South, East, and Southeast Asia, along with one European government belonging to NATO. Trend Micro has attributed the activity to...
Top Five Sales Challenges Costing MSPs Cybersecurity Revenue
The managed security services market is projected to grow from $38.31 billion in 2025 to $69.16 billion by 2030[1], with cybersecurity being the fastest-growing sector[2]. Despite this opportunity, many MSPs leave revenue on the table because their go-to-market...
Two Cybersecurity Professionals Get 4-Year Sentences in BlackCat Ransomware Attacks
The U.S. Department of Justice (DoJ) on Thursday announced the sentencing of two cybersecurity professionals to four years each in prison for their role in facilitating BlackCat ransomware attacks in 2023. Ryan Goldberg, 40, of Georgia, and Kevin Martin, 36, of Texas,...