Europol’s European Cybercrime Centre has worked with Microsoft to disrupt Lumma Stealer (“Lumma”), the world’s most significant infostealer threat.
This joint operation targeted the sophisticated ecosystem that allowed criminals to exploit stolen information on a massive scale. Europol coordinated with law enforcement in Europe to ensure action was taken, leveraging intelligence provided by Microsoft. Between 16 March and 16 May 2025, Microsoft identified over 394 000 Windows computers globally infected by the Lumma malware. In a coordinated follow-up operation this week, Microsoft’s Digital Crimes Unit (DCU), Europol, and international partners have disrupted Lumma’s technical infrastructure, cutting off communications between the malicious tool and victims.
Read more…
Source: Europol
Sign up for our Newsletter
The latest news and insights delivered right to your inbox.
Related:
- “Major” cyberattack compromised sensitive U.S. Marshals Service data
February 28, 2023
The U.S. Marshals Service is investigating a major ransomware attack that has compromised some of its most sensitive information, including law enforcement materials, and the personal information of employees and potential targets of federal investigations. The cyberattack was considered a “major incident” by officials, impacting a “stand-alone” system (meaning it is not connected to a larger ...
- Dutch Police arrest three ransomware actors extorting €2.5 million
February 24, 2023
The Amsterdam cybercrime police team has arrested three men for ransomware activity that generated €2.5 million from extorting small and large organizations in multiple countries. The suspects, all young men aged between 18 and 21, are charged with stealing sensitive data from victim networks and demanding a ransom. It is believed that they attacked thousands of ...
- Russian malware dev behind NLBrute hacking tool extradited to US
February 23, 2023
A Russian malware developer accused of creating and selling the NLBrute password-cracking tool was extradited to the United States after being arrested in the Republic of Georgia last year on October 4. Also known as dpxaker, Dariy Pankov is now charged with access device fraud and computer fraud and faces a maximum sentence of 47 years ...
- FBI tackles ‘isolated’ IT security breach
February 17, 2023
The FBI claims it has dealt with a cybersecurity “incident” that reportedly involved computer systems being used to investigate child sexual exploitation. “The FBI is aware of the incident and is working to gain additional information,” a spokesperson said in a statement to The Register. “This is an isolated incident that has been contained. As this ...
- UK cracks down on ransomware actors
February 9, 2023
Seven Russian nationals have assets frozen and travel bans imposed ransomware is a tier 1 national security threat, with attacks against businesses and public sector organisations increasingly common. Recent victims include UK schools, local authorities and firms – whilst internationally the Irish Health Service Executive, Costa Rican government and American healthcare providers were targeted new campaign of ...
- Darknet Marketplace Revenue Plummets After Hydra Raid
February 9, 2023
Revenue at dark web illicit marketplaces plunged in 2022 following seizure by U.S. and German police last spring of what was then the world’s largest online bazaar for illegal goods and services. The April shutdown of the Russian-speaking Hydra Market sent the illicit world of Russian-language darknet markets into a tailspin that cut overall revenue for ...