BREACHCONFIRMED
WorldOne Inc. dba Sermo Data Breach
Healthcare Organization • healthcare
2,674
Records Affected
Feb 9, 2026
Disclosed
ransomware
Attack Vector
Black Basta
Threat Actor
Data Exposed
Social Security Numbers
Timeline
OccurredMarch 19, 2024
DiscoveredApril 10, 2024
DisclosedFebruary 9, 2026
Last updated: February 12, 2026