Optum — Cyber Attacks, Breaches & Threat Activity

Threat entity extracted from intelligence sources

Frequency
1
occurrences
First Seen
July 21, 2026
Last Seen
July 21, 2026

Optum is a organization tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed July 21, 2026; most recent activity July 21, 2026.

Related Threat Clusters

  • Craneware Cyberattack Exposes Employee and Customer Data

    Craneware plc, a healthcare software provider, reported a cyberattack on July 20, 2026, involving unauthorized access to its data environment. Investigations revealed that a significant volume of file names was viewed…

    23 articles · Updated July 20, 2026

Recent Intelligence Reports

  • began notifying at least 5.4 million people — techcrunch.com · July 21, 2026

CVSS v3.1 Breakdown