Visa and Coinbase Data Provider Allium Hit by Security Breach, Forces API Key Reset

TLDR Allium, a blockchain data provider, found unauthorized access to some of its systems on October 25. The company revoked existing API keys and asked customers to reset passwords and turn on multifactor authentication. Main application and Explorer APIs are back, but uploaded data access, Allium Assistant and its MCP service were still down on October 28. Allium has not named the attacker, said how the access happened or said if customer data was stolen. The company raised $40 million in Series B funding in June.