Allium confirms unauthorized access, revokes API keys and restores core services

Blockchain data provider Allium has confirmed unauthorized access to its systems, according to crypto.news. The company has revoked API keys and restored its core services while it investigates the breach.
What Allium has confirmed
Allium has confirmed that someone gained unauthorized access to its systems. Application programming interface (API) keys, which let one piece of software talk to another, have been revoked as a result.
The company says it has restored its core services while the investigation continues.
Background on the company
Allium is a blockchain data provider. Its disruption was reported in a story that also named Coinbase, a Bitcoin and cryptocurrency company based in San Francisco and founded in 2012, among the services affected.
What is confirmed and what is not
The account comes from a single report by crypto.news. The facts available do not say how the access occurred, what data may have been involved or how many customers were affected.
Open questions
- How did the unauthorized access take place?
- Was any customer data accessed?