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.”

Researchers Uncover 46 Critical Flaws in Solar Inverters From Sungrow, Growatt, and SMA
Cybersecurity researchers have disclosed 46 new security flaws in products from three solar inverter vendors, Sungrow, Growatt, and SMA, that could be exploited by a bad actor to seize control of devices or execute code remotely, posing severe risks to electrical...

CoffeeLoader Uses GPU-Based Armoury Packer to Evade EDR and Antivirus Detection
Cybersecurity researchers are calling attention to a new sophisticated malware called CoffeeLoader that's designed to download and execute secondary payloads. The malware, according to Zscaler ThreatLabz, shares behavioral similarities with another known malware...

Product Walkthrough: How Datto BCDR Delivers Unstoppable Business Continuity
Long gone are the days when a simple backup in a data center was enough to keep a business secure. While backups store information, they do not guarantee business continuity during a crisis. With IT disasters far too common and downtime burning through budgets, modern...

PJobRAT Malware Campaign Targeted Taiwanese Users via Fake Chat Apps
An Android malware family previously observed targeting Indian military personnel has been linked to a new campaign likely aimed at users in Taiwan under the guise of chat apps. "PJobRAT can steal SMS messages, phone contacts, device and app information, documents,...

Nine-Year-Old npm Packages Hijacked to Exfiltrate API Keys via Obfuscated Scripts
Cybersecurity researchers have discovered several cryptocurrency packages on the npm registry that have been hijacked to siphon sensitive information such as environment variables from compromised systems. "Some of these packages have lived on npmjs.com for over 9...

Mozilla Patches Critical Firefox Bug Similar to Chrome’s Recent Zero-Day Vulnerability
Mozilla has released updates to address a critical security flaw impacting its Firefox browser for Windows, merely days after Google patched a similar flaw in Chrome that came under active exploitation as a zero-day. The security vulnerability, CVE-2025-2857, has been...

New Morphing Meerkat Phishing Kit Mimics 114 Brands Using Victims’ DNS Email Records
Cybersecurity researchers have shed light on a new phishing-as-a-service (PhaaS) platform that leverages the Domain Name System (DNS) mail exchange (MX) records to serve fake login pages that impersonate about 114 brands. DNS intelligence firm Infoblox is tracking the...

Hackers Repurpose RansomHub’s EDRKillShifter in Medusa, BianLian, and Play Attacks
A new analysis has uncovered connections between affiliates of RansomHub and other ransomware groups like Medusa, BianLian, and Play. The connection stems from the use of a custom tool that's designed to disable endpoint detection and response (EDR) software on...

APT36 Spoofs India Post Website to Infect Windows and Android Users with Malware
An advanced persistent threat (APT) group with ties to Pakistan has been attributed to the creation of a fake website masquerading as India's public sector postal system as part of a campaign designed to infect both Windows and Android users in the country....

New Report Explains Why CASB Solutions Fail to Address Shadow SaaS and How to Fix It
Whether it’s CRMs, project management tools, payment processors, or lead management tools - your workforce is using SaaS applications by the pound. Organizations often rely on traditional CASB solutions for protecting against malicious access and data exfiltration,...