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:
- Mexican drug cartel hacked cameras and phones to spy on FBI and identify witnesses
July 3, 2025
The “El Chapo” Mexican drug cartel snooped on FBI personnel through hacked cameras, and listened in on their phone calls to identify and kill potential witnesses, the US Department of Justice has said. And seven years on, the Bureau’s defenses against this kind of surveillance are still inadequate. The findings came to light in a June ...
- US, French authorities confirm arrest of BreachForums hackers
June 26, 2025
U.S. and French authorities have confirmed the arrests of five hackers accused of being behind several major hacks and being part of a notorious cybercrime forum. On Thursday, the U.S. Department of Justice announced the indictment of British national Kai West, 25, accusing him of being “a serial hacker” known as IntelBroker. U.S. authorities allege West ...
- U.S. Department of Defense Employee Charged with Unlawful Retention of Classified Documents
June 24, 2025
A civilian employee of the U.S. Department of Defense (DoD) was arrested and made her initial court appearance yesterday to face charges of unauthorized removal and retention of classified documents. Ewa Maria Ciszak, 64, of Huntsville, Alabama, is charged with knowingly removing and retaining classified documents and materials. According to court documents unsealed today in the ...
- UK Police use controversial AI tool that looks at people’s sex lives and beliefs
June 16, 2025
British police forces have signed contracts with a controversial US tech giant to buy AI-powered software that uses data about an individual’s race, sex life, health and political beliefs, it can be revealed. An internal police memo obtained by The i Paper and Liberty Investigates confirms an intention to “nationally” apply the “Nectar” intelligence system, currently ...
- Europe-wide takedown hits longest-standing dark web drug market
June 16, 2025
Law enforcement authorities across Europe have dismantled ‘Archetyp Market’, the most enduring dark web marketplace, following a large-scale operation involving six countries, supported by Europol and Eurojust. Between 11 and 13 June, a series of coordinated actions took place across Germany, the Netherlands, Romania, Spain, Sweden, targeting the platform’s administrator, moderators, key vendors, and technical infrastructure. ...
- US airline industry quietly selling flight data to DHS
June 11, 2025
A data broker owned by some of America’s biggest airlines has been selling access to customer flight data to the US Department of Homeland Security (DHS). The data, compiled by data broker Airlines Reporting Corporation (ARC), includes names, flight itineraries, and financial details. It also covers flights booked via US travel agencies. ARC makes this data ...

