Blockchain Data Provider Allium Discloses Security Breach,…
By Karthik Subramanian
AI summary of the source article
Blockchain data provider Allium disclosed a security breach detected on October 25, 2026, prompting service disruptions and API credential revocations. Core services and APIs resumed operations by October 28 while an external investigation continues.
Why it matters
The breach highlights the operational dependencies created as traditional financial institutions increasingly rely on specialized cryptocurrency infrastructure providers.
Key facts
- Allium detected unauthorized access to its systems on October 25, 2026, and publicly confirmed the incident on October 28.
- The breach disrupted data delivery across Snowflake, Databricks, and Google BigQuery, prompting Allium to revoke API credentials and backfill missing records.
- Allium engaged an external cybersecurity firm to investigate the incident and review its security controls.
Source excerpt · FinanceFeeds
Blockchain data infrastructure provider Allium has disclosed a security breach involving unauthorized access to parts of its systems, prompting service interruptions, API credential revocations and an independent cybersecurity investigation. The company detected the incident on October 25, 2026, and publicly confirmed the intrusion on October 28. Chief executive and co-founder Ethan Chan said Alli…