A threat actor has claimed responsibility for a data breach targeting Artistica Rubens, an online retailer of art supplies based in Argentina. The actor announced the breach on October 17, 2025, and shared samples of the allegedly stolen user data.
According to the threat actor, the compromised database contains a wide range of customer information. The allegedly exfiltrated data includes:
- Full names
- Email addresses
- Phone numbers
- Physical addresses
- National identity numbers












