Hacker pleads guilty to stealing data from more than 165 Snowflake customers

🚨 Flash Sale 🚨 Get $100 off your Disrupt 2026 ticket Get $400 off your Disrupt 2026 ticket: REGISTER NOW. Close TechCrunch Desktop Logo TechCrunch Mobile Logo LatestStartupsVentureAppleSecurityAIAppsDisrupt 2026 EventsPodcastsNewsletters SearchSubmit Site Search Toggle Mega Menu Toggle Topics Latest AI Amazon Apps Biotech & Health Climate Cloud Computing Commerce Crypto Enterprise EVs Fintech Fundraising Gadgets Gaming Google Government & Policy Hardware Instagram Layoffs Media & Entertainment Meta Microsoft Privacy Robotics Security Social Space Startups TikTok Transportation Venture More from TechCrunch Staff Events Startup Battlefield StrictlyVC Newsletters Podcasts Videos Partner Content TechCrunch Brand Studio Crunchboard Contact Us In Brief Posted: 9:42 AM PDT · August 6, 2026 Image Credits:Joan Cros/NurPhoto / Lorenzo Franceschi-Bicchierai Hacker pleads guilty to stealing data from more than 165 Snowflake customers Connor Moucka, a 26-year-old Canadian citizen, has pled guilty to hacking more than 165 companies, stealing billions of records, and extorting several companies and individuals. Department of Justice announced the guilty plea in a press release.

Moucka was accused of hacking cloud provider Snowflake, which allowed him and his co-conspirators to break into dozens of the company’s customers, including AT&T, LendingTree, and Ticketmaster. Moucka stole data from more than 100 million AT&T customers, including call and texting records, as well as banking information, driver’s license numbers, and Social Security numbers from other breaches. Over the years, Moucka and his accomplices received more than $2.5 million in ransom payments.

The hacker also received around $500,000 for selling victims’ data on hacking forums such as the notorious BreachForums. Victims of Moucka and his accomplices’ hacks suffered $9.5 million in losses, according to the DOJ. Mike Herrington, an FBI special agent who worked on the case.

Moucka, who was known online as Waifu and Judische, was arrested in Canada at the end of 2024, just months after the Snowflake breaches. At the time, Austin Larsen, a senior researcher at Google’s cybersecurity firm Mandiant who had been investigating the Snowflake hacks, said Moucka was “one of the most consequential” hackers of 2024. var playerInstance_jwplayer_6a752eb473145 = jwplayer( "jwplayer_6a752eb473145" ); playerInstance_jwplayer_6a752eb473145.setup(); Moucka is scheduled to be sentenced on October 27 and faces decades in prison. Topics cybercrime, data breach, doj, In Brief, Security, Snowflake October 13 – 15 San Francisco Scale faster.

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