Cyber Incident Victim: WDB Holdings
Date:
Aug 2022
Location:
Japan
Summary
WDB Holdings experienced a ransomware attack disrupting access to its mail systems and file servers, prompting suspension of internal network operations. The company prioritized recovery efforts and internal investigations while confirming no evidence of personal information leakage. External specialists were engaged to assess intrusion vectors and scope of damage, with findings to be communicated upon completion.
| CIA Posture | Motives | Tactics, Techniques & Procedures |
|---|---|---|
| Available to members | 1 motive | 1 technique |
| Threat Actor | Type | Location |
|---|---|---|
| 1 actor | Available to members | Available to members |
Description
On August 1, 2022, WDB Holdings Co. Ltd. experienced a disruption preventing access to its group IT system’s mail system and file servers. The company confirmed on August 2 that the incident stemmed from a ransomware attack conducted by a third party, leading to the immediate suspension of internal network operations. WDB Holdings publicly apologized for inconveniences caused to customers and related parties, acknowledging delayed public notification due to prioritizing recovery efforts. The company’s information system department initiated recovery procedures and launched an internal investigation into the attack’s origin. No evidence of personal information leakage or other data exfiltration was identified during the initial assessment.
WDB Holdings announced plans to engage an external IT specialist firm to collaborate with its internal team on determining the intrusion vector and full scope of damage. The company committed to disclosing investigation findings upon completion while maintaining suspended network operations during remediation. Business disruptions were confined to internal mail and file server accessibility, with no confirmed compromise of customer or third-party data. Recovery timelines and specific ransomware variants involved were not disclosed in the August 2 statement. WDB Holdings reiterated apologies for operational impacts and assured stakeholders of ongoing efforts to restore systems securely.