Heritage Financial Corp /Wa/
Disclosed Mar 23, 20266 months agoConfirmed
Cybersecurity incident disclosed to the SEC (8-K Item 8.01)
On or about March 2, 2026, Heritage Financial Corporation (the "Company") detected a cybersecurity incident involving an internal file share server used by employees and the exfiltration of files from that file share server which may contain personal information. The Bank's customer accounts, customer systems and operations were not impacted. Promptly following detection, the Company initiated its security incident response plan and began deploying measures to stop the unauthorized activity, including taking the affected system offline. The incident did not cause any disruptions in the Company
What is known
| People affected | Not stated in the sources we have |
|---|---|
| Disclosed | Mar 23, 2026 |
| Attack | Insider |
| Data exposed | Not stated |
| Sector | Finance · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Heritage Financial Corp /Wa/ Form 8-K, Item 8.01 (2026-03-23)sec.gov · SEC filing | SEC filing |
Notices filed
| Where | Filed | People |
|---|---|---|
| SEC 8-K 8.01total | Mar 23 |
History of this record
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (SEC 8-K 8.01), confirmed by SEC 8-K 8.01. Record counts are as reported. Not legal advice.