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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.”
⚡ Weekly Recap: Apple 0-Days, WinRAR Exploit, LastPass Fines, .NET RCE, OAuth Scams & More
If you use a smartphone, browse the web, or unzip files on your computer, you are in the crosshairs this week. Hackers are currently exploiting critical flaws in the daily software we all rely on—and in some cases, they started attacking before a fix was even ready....
A Browser Extension Risk Guide After the ShadyPanda Campaign
In early December 2025, security researchers exposed a cybercrime campaign that had quietly hijacked popular Chrome and Edge browser extensions on a massive scale. A threat group dubbed ShadyPanda spent seven years playing the long game, publishing or acquiring...
Phantom Stealer Spread by ISO Phishing Emails Hitting Russian Finance Sector
Cybersecurity researchers have disclosed details of an active phishing campaign that's targeting a wide range of sectors in Russia with phishing emails that deliver Phantom Stealer via malicious ISO optical disc images. The activity, codenamed Operation MoneyMount-ISO...
VolkLocker Ransomware Exposed by Hard-Coded Master Key Allowing Free Decryption
The pro-Russian hacktivist group known as CyberVolk (aka GLORIAMIST) has resurfaced with a new ransomware-as-a-service (RaaS) offering called VolkLocker that suffers from implementation lapses in test artifacts, allowing users to decrypt files without paying an...
CISA Adds Actively Exploited Sierra Wireless Router Flaw Enabling RCE Attacks
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added a high-severity flaw impacting Sierra Wireless AirLink ALEOS routers to its Known Exploited Vulnerabilities (KEV) catalog, following reports of active exploitation in the wild....
Apple Issues Security Updates After Two WebKit Flaws Found Exploited in the Wild
Apple on Friday released security updates for iOS, iPadOS, macOS, tvOS, watchOS, visionOS, and its Safari web browser to address two security flaws that it said have been exploited in the wild, one of which is the same flaw that was patched by Google in Chrome earlier...
Fake OSINT and GPT Utility GitHub Repos Spread PyStoreRAT Malware Payloads
Cybersecurity researchers are calling attention to a new campaign that's leveraging GitHub-hosted Python repositories to distribute a previously undocumented JavaScript-based Remote Access Trojan (RAT) dubbed PyStoreRAT. "These repositories, often themed as...
New Advanced Phishing Kits Use AI and MFA Bypass Tactics to Steal Credentials at Scale
Cybersecurity researchers have documented four new phishing kits named BlackForce, GhostFrame, InboxPrime AI, and Spiderman that are capable of facilitating credential theft at scale. BlackForce, first detected in August 2025, is designed to steal credentials and...
Securing GenAI in the Browser: Policy, Isolation, and Data Controls That Actually Work
The browser has become the main interface to GenAI for most enterprises: from web-based LLMs and copilots, to GenAI‑powered extensions and agentic browsers like ChatGPT Atlas. Employees are leveraging the power of GenAI to draft emails, summarize documents, work on...
New React RSC Vulnerabilities Enable DoS and Source Code Exposure
The React team has released fixes for two new types of flaws in React Server Components (RSC) that, if successfully exploited, could result in denial-of-service (DoS) or source code exposure. The team said the issues were found by the security community while...
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