- U.S. Justice Department Announces Actions to Combat Two Russian State-Sponsored Cyber Criminal Hacking Groups
December 9, 2025
The Justice Department announced two indictments in the Central District of California charging Ukrainian national Victoria Eduardovna Dubranova, 33, also known as Vika, Tory, and SovaSonya, for her role in conducting cyberattacks and computer intrusions against critical infrastructure and other victims around the world, in support of Russia’s geopolitical interests. Dubranova was extradited to the ...
- Goodbye, dark Telegram: Blocks are pushing the underground out
December 9, 2025
Telegram has won over users worldwide, and cybercriminals are no exception. While the average user chooses a messaging app based on convenience, user experience and stability (and perhaps, cool stickers), cybercriminals evaluate platforms through a different lens. When it comes to anonymity, privacy and application independence – essential criteria for a shadow messaging app – ...
- National cybercrime network operating for 14 years dismantled in Indonesia
December 8, 2025
Security researchers have uncovered enormous cybercrime infrastructure in Indonesia that’s been operating unabated for more than 14 years. The length of the operation, the domains included, the malware circulated, and the data being sold on the black market, were all so big that the researchers – Malanta.ai – said the campaign resembles a nation-state campaign ...
- React2Shell RCE flaw exploited by Chinese hackers hours after disclosure
December 8, 2025
Just as the experts predicted, cybercriminals are now actively exploiting the critical severity vulnerability in React Server Components (RSC) that was discovered late last week. To make matters worse, the crooks observed abusing the bug seem to be working for the Chinese government. Late last week, the React team published a security advisory detailing a pre-authentication ...
- AI-Automated Threat Hunting Brings GhostPenguin Out of the Shadows
December 8, 2025
Hunting high-impact, advanced malware is a difficult task. It becomes even harder and more time-consuming when defenders focus on low-detection or zero-detection samples. Every day, a huge number of files are sent to platforms like VirusTotal, and the relevant ones often get lost in all that noise. Identifying malware with low or no detections is ...
- How phishers hide banking scams behind free Cloudflare Pages
December 8, 2025
During a recent investigation, we uncovered a phishing operation that combines free hosting on developer platforms with compromised legitimate websites to build convincing banking and insurance login portals. These fake pages don’t just grab a username and password–they also ask for answers to secret questions and other “backup” data that attackers can use to bypass multi-factor ...
- Poland detains three Ukrainians over possession of hacking equipment
December 8, 2025
A Polish court has ordered three Ukrainian nationals held on charges of computer fraud and possessing hardware and software designed to commit crimes, including a suspected attempt to damage IT data deemed crucial to national defence. The three men, aged 43, 42 and 39, were detained after a roadside check in Warsaw, Polish state news agency ...
- New Prompt Injection Attack Vectors Through MCP Sampling
December 5, 2025
This article examines the security implications of the Model Context Protocol (MCP) sampling feature in the context of a widely used coding copilot application. MCP is a standard for connecting large language model (LLM) applications to external data sources and tools. We show that, without proper safeguards, malicious MCP servers can exploit the sampling feature for ...
- International takedown of cryptocurrency fraud network laundering over EUR 700 million
December 4, 2025
The final actions in a sweeping international operation have successfully dismantled a large-scale cryptocurrency fraud and money laundering network that had laundered over EUR 700 million. Coordinated across multiple jurisdictions, these actions, carried out last month and earlier this week, mark the culmination of years of investigation and the effective disruption of a criminal operation ...
- Hook for Gold: Inside GoldFactory’s Сampaign That Turns Apps Into Goldmines
December 3, 2025
In February 2024, Group-IB uncovered sophisticated mobile threat campaigns that show how fast banking malware is evolving across the Asia-Pacific region. Ongoing monitoring of this evolving threat revealed a surge of aggressive mobile Trojans targeting both iOS and Android users, all operated by a single threat actor tracked as GoldFactory. Since releasing our initial report, we ...