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Pocket Bitcoin Data Breach Exposes Personal and Financial Information of 5,411 Customers

Pocket Bitcoin Data Breach Exposes Personal and Financial Information of 5,411 Customers

The exposed information came from bank emails and compliance-related backup materials rather than Pocket Bitcoin’s main database.

Written by Rahul Dhingra, Edited by Rohan Pal | Updated: 4 September 2026 18:35 IST

Pocket Bitcoin Data Breach Exposes Personal and Financial Information of 5,411 Customers

Photo Credit: The affected records were linked to regulatory compliance activities involving partner banks

The affected records were linked to regulatory compliance activities involving partner banks

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Highlights

Some transaction records included customers’ IBAN information
Pocket Bitcoin said no Bitcoin accounts were accessible to hackers
The company reported the incident to Swiss and Liechtenstein authorities

Pocket Bitcoin stated on September 3 that the security breach that occurred in August has compromised more personal and financial information of 5,411 customers than was originally disclosed. The Swiss Bitcoin service provider has found two different categories of customers, according to its forensic analysis. The first was bank transaction information from 5,120 clients. The second was correspondence with potentially more sensitive information from 291 clients. The larger dataset comprised transaction lists that partner banks had sent to Pocket Bitcoin when performing checks.

Exposed Correspondence Included Bitcoin Addresses and ID Copies

The information provided to Pocket Bitcoin included customers' names, their home addresses, the amount transferred, and the date of the transfer. In some cases, even the IBAN related to the transfer was available. The latter part comprised the correspondence between Pocket Bitcoin and its partner banks. For each particular customer, different information was revealed, such as names, mailing addresses, Bitcoin addresses, and ID copies.

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The firm revealed that the data was in various combinations, implying that not all 291 customers possess all types of data that had been listed. Pocket Bitcoin has reached out to the affected customers individually regarding the details of their cases. The two groups include a total of 5,411 users. There may be other users who were impacted by the company's previous disclosure, but those who did not receive any notification should continue to rely on the original notice given by the company.

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Pocket Bitcoin stated that there was no breach of their primary database of customers and transactions. This data was retrieved from emails and lists generated by the bank in a copy of its backup database. This is why data that appears to be similar to transaction and identification records was revealed, even though the databases were not compromised. The compromised support materials consisted of copies of data created or received as a result of regulatory compliance activities.

According to the company, the accounts containing Bitcoin were never accessible to the hacker. Buying and selling services work just fine. The company also added that, at the moment, it doesn't seem that the information that was made public has been used in any malicious way. The case was reported by Pocket Bitcoin to the Swiss Federal Data Protection and Information Commissioner and the Liechtenstein Data Protection Authority. However, it also filed a police report without giving any information regarding the identity of the possible attacker.

In a similar incident in August, SafePal revealed that due to an authorisation vulnerability in the order tracking plugin, the order data of around 39,798 customers was at risk of being leaked. This data pertained to customers who had made their orders from March 2, 2025, through April 11, 2026, and included names, email addresses, shipping addresses, phone numbers, and purchase details.

Cryptocurrency is an unregulated digital currency, not a legal tender and subject to market risks. The information provided in the article is not intended to be and does not constitute financial advice, trading advice or any other advice or recommendation of any sort offered or endorsed by NDTV. NDTV shall not be responsible for any loss arising from any investment based on any perceived recommendation, forecast or any other information contained in the article.

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Further reading: Crypto Frauds, Scams, Crypto Data hacks, Pocket Bitcoin

Rahul Dhingra

Email Rahul Dhingra

Rahul Dhingra is a crypto writer at Gadgets 360, where he covers the exciting world of Cryptocurrency, Blockchain, Defi and Web3. Before joining Gadgets 360, he worked as a content specialist for a European-based Crypto Exchange. Rahul loves storytelling, not just through the written word but also through the visual medium. Beyond his professional life, Rahul is a sports fanatic. Whether it’s cricket or football, his passion for the game is contagious. More