--- title: Poland busts SIM-swapping gang tied to millions in... description: Polish authorities arrested four members of a cybercrime gang responsible for SIM-swapping attacks that resulted in millions of dollars in cryptocurrency... canonical: https://daily.dev/posts/poland-busts-sim-swapping-gang-tied-to-millions-in-crypto-theft-fgir4x7ly twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Poland busts SIM-swapping gang tied to millions in crypto theft | daily.dev og:description: Polish authorities arrested four members of a cybercrime gang responsible for SIM-swapping attacks that resulted in millions of dollars in cryptocurrency... og:url: https://daily.dev/posts/poland-busts-sim-swapping-gang-tied-to-millions-in-crypto-theft-fgir4x7ly og:image: https://api.daily.dev/og/posts/FgIR4X7ly.png og:image:alt: Poland busts SIM-swapping gang tied to millions in crypto theft og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Poland busts SIM-swapping gang tied to millions in crypto theft **[BleepingComputer](https://daily.dev/sources/bleepingcomputer)** · 2 min read · 0 upvotes · 0 comments ## Summary Polish authorities arrested four members of a cybercrime gang responsible for SIM-swapping attacks that resulted in millions of dollars in cryptocurrency theft. The Polish Cybercrime Bureau (CBZC), with FBI and HSI support, found the suspects used specialized software and social engineering to breach telecom partner infrastructure and hijack employee email accounts. This gave them the data needed to clone victims' phone numbers, intercept communications, and take over cryptocurrency exchange accounts. Stolen funds exceeding $5 million were laundered through multiple bank accounts and digital wallets across countries. The four arrested face charges including organized crime participation, IT system hacking, and money laundering, with a maximum penalty of 25 years in prison. Blockchain investigator ZachXBT identified one suspect as Wojtek Kulisz, aka 'Merry.' ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [International Sting Takes Down SIM Box Criminal Network](https://daily.dev/posts/international-sting-takes-down-sim-box-criminal-network-udg2dfxkh) · Dark Reading · 0 upvotes · 0 comments - [UK charges suspects linked to Russian Coms call spoofing platform](https://daily.dev/posts/uk-charges-suspects-linked-to-russian-coms-call-spoofing-platform-xnehmxwyr) · BleepingComputer · 0 upvotes · 0 comments - [Ukraine shuts down 94 fraudulent call centers, seize millions in cash](https://daily.dev/posts/ukraine-shuts-down-94-fraudulent-call-centers-seize-millions-in-cash-xwvpnf5dz) · BleepingComputer · 0 upvotes · 0 comments --- Tags: [#security](https://daily.dev/tags/security), [#crypto](https://daily.dev/tags/crypto) [View this post on daily.dev](https://daily.dev/posts/poland-busts-sim-swapping-gang-tied-to-millions-in-crypto-theft-fgir4x7ly) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Poland busts SIM-swapping gang tied to millions in crypto theft","url":"https://daily.dev/posts/poland-busts-sim-swapping-gang-tied-to-millions-in-crypto-theft-fgir4x7ly","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/poland-busts-sim-swapping-gang-tied-to-millions-in-crypto-theft-fgir4x7ly"},"datePublished":"2026-06-25T22:37:50.864Z","dateModified":"2026-06-25T22:38:16.216Z","description":"Polish authorities arrested four members of a cybercrime gang responsible for SIM-swapping attacks that resulted in millions of dollars in cryptocurrency...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/a784df6cd5e30174ced41beab67aebbb?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/a784df6cd5e30174ced41beab67aebbb?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"BleepingComputer","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"BleepingComputer","logo":"https://media.daily.dev/image/upload/s--as8nJ3qy--/f_auto,q_auto/v1774959951/logos/bleepingcomputer?_a=BAMAMiWQ0","url":"https://daily.dev/sources/bleepingcomputer"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/poland-busts-sim-swapping-gang-tied-to-millions-in-crypto-theft-fgir4x7ly","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"security,crypto","timeRequired":"PT2M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"BleepingComputer","item":"https://daily.dev/sources/bleepingcomputer"},{"@type":"ListItem","position":3,"name":"Poland busts SIM-swapping gang tied to millions in crypto theft"}]} ```