TLDR French authorities have launched an investigation into a data breach at the crypto tax platform Waltio. The breach compromised the personal data of around TLDR French authorities have launched an investigation into a data breach at the crypto tax platform Waltio. The breach compromised the personal data of around

French Authorities Investigate Data Breach Affecting Crypto Tax Platform

2026/01/24 01:53
3 min read
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TLDR

  • French authorities have launched an investigation into a data breach at the crypto tax platform Waltio.
  • The breach compromised the personal data of around 50,000 users, mostly based in France.
  • The hacker group Shiny Hunters demanded a ransom after stealing sensitive information from the platform.
  • Authorities warned that the stolen data could be used for malicious activities targeting crypto holders.
  • The breach has raised concerns about the security of user data on crypto tax platforms in light of new EU regulations.

French authorities have initiated a preliminary investigation into a data breach affecting the crypto tax platform, Waltio. The breach potentially exposed the personal information of around 50,000 users. Most of these users were based in France, raising concerns over security and privacy violations. Authorities are investigating the nature of the stolen data and the potential risks for users.

Hackers Demand Ransom for Stolen Data

The cyberattack on Waltio was carried out by a hacker group known as the Shiny Hunters. Following the breach, the group issued a ransom demand to the platform. According to French cybersecurity authorities, the data stolen includes sensitive personal details of the affected users.

Reports indicate that the stolen information could be used for malicious purposes. The authorities have warned that crypto holders in France may become targets for criminals. These criminals could exploit the stolen data to force victims into transferring their digital assets.

French authorities are particularly concerned about “wrench attacks,” where criminals use violence or threats to force victims into transferring their crypto holdings. Such attacks have been reported in France and other countries. “Users could be at risk of being kidnapped or unlawfully detained,” stated a cybersecurity authority representative.

Crypto Tax Platform Waltio Under Scrutiny

The breach has put additional scrutiny on crypto tax platforms like Waltio. The platform simplifies tax reporting for crypto users in the EU, especially following recent regulations. These regulations require platforms to report users’ holdings across multiple platforms, making sensitive data more vulnerable.

The increase in demand for crypto tax services in Europe, driven by new EU regulations, has also made such platforms a target. The recent DAC-8 proposal requires users to report detailed data, including even inactive crypto holdings. This regulation could expose more user data to potential breaches and exploitation.

Authorities are investigating the links between the Waltio breach and other recent attacks on crypto holders. Reports suggest that the stolen personal data may have been used to target individuals with crypto holdings. 

The post French Authorities Investigate Data Breach Affecting Crypto Tax Platform appeared first on CoinCentral.

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