Industrial Credit Union of Whatcom Data Breach Affects 24,526 Members

Industrial Credit Union of Whatcom County recently experienced a significant cybersecurity event involving one of it's third-party partners, Marquis Software Solutions ("Go Marquis"). The compromised data included personally identifiable information (PII) of at least 24,526 Washington residents.

The Marquis Software Solutions data breach was first detected on Aug. 14, 2025. The incident originated when the vendor’s systems were infiltrated, resulting in unauthorized access to files containing member information. Forensic teams determined the scope of the breach, confirming that Industrial Credit Union member data was part of the compromised records.

The compromised data included personally identifiable information (PII) such as names, full dates of birth, Social Security numbers and non-transactional account references (including member numbers and account suffixes). The exposure of PII puts individuals at risk of identity theft and financial fraud.

The data breach was reported to the Washington Attorney General's office on Nov. 26, 2025.

Industrial Credit Union of Whatcom County (Go Marquis)'s response

Upon learning of the breach, Industrial Credit Union of Whatcom County immediately terminated its relationship with the affected communication delivery partner. The credit union also notified law enforcement and regulatory agencies, and engaged cybersecurity experts to assess the situation. The credit union is offering a free one-year subscription to a credit monitoring service. Details about how to enroll will be provided directly to affected members as soon as arrangements are finalized.

If you receive notification from Industrial Credit Union of Whatcom County or your Marquis Software Solutions about this breach, you may want to:

• Sign up for the free identity theft protection services, offered by the credit union.
• Monitor your credit reports and financial accounts for any unusual activity.
• Be alert for phishing emails or phone calls that may use your exposed information.
• Consider placing a fraud alert or credit freeze with major credit bureaus.

Members with questions or concerns can contact the credit union through their secure digital contact form, digital banking platform or by calling their full-service contact center at 360-734-2043 or toll-free at 1-877-640-0420.