Cyber Incident Victim: KWH Freeze
Date:
Nov 2023
Location:
Finland
Summary
A cybersecurity attack targeted KWH Freeze, temporarily disrupting operations and prompting immediate investigation and remediation efforts. The incident exposed sensitive personal data of current and former employees, including names, birth dates, social security numbers, addresses, banking details, email addresses, and phone numbers. The company reported the breach to authorities and continues to monitor the situation while advising affected individuals on protective measures.
| CIA Posture | Motives | Tactics, Techniques & Procedures |
|---|---|---|
| Available to members | 1 motive | 1 technique |
| Threat Actors | Type | Location |
|---|---|---|
| 0 actors | Available to members | Available to members |
Description
On November 12, 2023, KWH Freeze Oy experienced a cybersecurity attack that disrupted its operations temporarily. The company initiated immediate investigative and corrective measures following the breach, with these efforts continuing beyond the initial response period. KWH Freeze formally reported the incident to Finland’s Data Protection Ombudsman and filed a criminal report with law enforcement authorities. While containment and remediation activities progressed, the company confirmed a significant risk of unauthorized access to sensitive personal data belonging to current and former employees. Compromised information included full names, dates of birth, social security numbers, home addresses, bank account details, personal email addresses, and phone numbers. The breach scope indicated systemic access to personnel records rather than isolated data exposure. KWH Freeze acknowledged the operational impact of the attack but did not disclose technical details regarding attack vectors, threat actor attribution, or specific system vulnerabilities exploited during the incident.
The company established a dedicated email channel ([email protected]) for employee inquiries regarding data protection concerns stemming from the breach. In its November 23, 2023, public notification, KWH Freeze advised affected individuals to implement specific protective measures, including registration bans with the Patent and Registration Office to prevent fraudulent company filings, postal form bans to block unauthorized address changes, and data transfer restrictions through Finland’s Digital and Population Data Services Agency and Transport and Communications Agency (Traficom). The notification further recommended voluntary credit bans and credit monitoring services to mitigate identity theft risks. KWH Freeze emphasized password security best practices, urging employees to change reused passwords from company systems and adopt password management tools. Operational recovery status and forensic investigation findings remained undisclosed at the time of the notification, though the company committed to providing updates as new information became available. No ransomware claims, financial demands, or data leak timelines were referenced in the company’s official communication.