What is a SIM farm?
A "SIM-box" device runs dozens, sometimes hundreds, of SIM cards at once. Rented out as a service to criminal buyers, it allows mass creation of fake online accounts, fake numbers, or routing calls and texts at scale — often to bypass filters and pose as a local number.
The operation that exposed the scale of the problem
The dismantled network fueled a wide range of fraud — phishing, extortion, investment fraud, scams on classified-ad sites — with losses already tallied among identified victims: about $5.2 million across 1,700 Austrian cases, and nearly $490,000 across 1,500 Latvian cases.
Why this industry never fully stops
A dismantled network isn't the only one in the world — it's a business model, not an isolated incident. As long as renting access to tens of thousands of numbers stays profitable for criminals, new networks take over. That's the structural reason filtering that keeps adapting, rather than a fixed list of blocked numbers, remains necessary.
Frequently asked questions
What is a SIM farm?
A device capable of running dozens or hundreds of SIM cards at once, rented out as a service to criminals to generate fake numbers, fake accounts, or bulk calls and texts.
Has a network like this actually been dismantled?
Yes. In October 2025, Europol coordinated operation SIMCARTEL with Austrian, Estonian, Latvian and Finnish authorities: 1,200 SIM-box devices and 40,000 active SIM cards seized, 7 arrests.
Why does this matter directly to Egidio users?
Because these networks are the technical source of a large share of the fraudulent calls and texts individuals receive — understanding the industry behind the spam helps explain why it never fully stops, and why filtering that keeps adapting remains necessary.
Other markets we cover
SIMCARTEL was a European operation, but the SIM-box economy is global. Police in Australia, the UK, Canada and India have each run their own busts against the same rented-number infrastructure.
🇦🇺Australia — 26 SIM boxes and thousands of SIM cards seized (2024)
On 18 July 2024, the AFP-led Joint Policing Cybercrime Coordination Centre ran a National Day of Action against SIM-box smishing across New South Wales and Victoria: six arrests, plus three 16-slot SIM boxes and over 500 SIM cards seized in Melbourne, and 26 SIM boxes, thousands of mobile SIM cards, over 500 phones and AU$166,000 in cash seized in New South Wales.
Australian Federal Police, media release, July 2024.🇬🇧United Kingdom — three men sentenced over a £220,000 SIM-farm fraud
The UK's Dedicated Card and Payment Crime Unit recovered two SIM farms from a defendant's home after tracing over £220,000 stolen from banking customers via mass fraudulent texts and calls sent between August 2022 and March 2024. The ringleader, Emanuel Oxford-Faparusi, was sentenced to 42 months; his two co-defendants received an 18-month term and a suspended sentence.
UK Finance, press release on DCPCU sentencing.🇨🇦Canada — two arrested in a scam operation run from 40 seized phones
In February 2025, the RCMP's Ontario Cybercrime Unit arrested two people in Toronto for running one of the most prolific bank-impersonation scam operations tracked in Canada, likely victimizing thousands of people. A single seized phone alone showed evidence of hundreds of victims; investigators found 40 phones in total during the search.
RCMP Gazette, "How the RCMP took down prolific cyber fraudsters."🇮🇳India — two fake call centers dismantled, seven arrested (2025)
In August 2025, Jaipur Police dismantled two fraudulent call centers and arrested seven people, seizing ten computers, 32 mobile phones, multiple SIM cards and roughly ₹2.35 lakh in cash. Separately in November 2025, Delhi Police broke up a call center targeting foreign nationals, seizing crypto wallets worth roughly ₹5 crore alongside computers and SIM cards. Families with relatives working abroad are frequent targets of this same call-center industry; see our report on scams targeting diaspora families.
ANI News, August 30, 2025; The Logical Indian, November 2025.Go further
Egidio — The Threat Laboratory, "SIM farms & criminal call centers", egidio.app/en/laboratoire/sim-farms-call-centers/. Licensed CC BY 4.0.
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