Pierce County Library System patron and employee data breach
Add to my breach checkMade public · 340,101 people
What leaked8
Hard to replace
- Driver's licence number
- Passport number
- Bank account number
- Other profile data
Permanent
- Health information
- Social Security number
- Date of birth
- Full name
- Health informationmedical information; current or former employees and their family members
- Social Security numbercurrent or former employees and their family members
- Driver's licence numbercurrent or former employees and their family members
- Passport numbercurrent or former employees and their family members
- Bank account numberfinancial account information; current or former employees and their family members
- Other profile datahealth insurance information, and credit card information · details not stated; current or former employees and their family members
To-dos6 · about 1 h 30 min in all
- Freeze your credit at Equifax, Experian and TransUnionStops: credit in your name · Limits harm from: applications with your ID (opens in a new tab)
- Get an IRS Identity Protection PINStops: tax refund fraud (opens in a new tab)
- Place a fraud alert on your credit reportsLimits harm from: credit in your name, applications with your ID (opens in a new tab)
- Check your credit reports every week, freeHelps you notice: credit in your name, applications with your ID (opens in a new tab)
- Turn on instant transaction alertsHelps you notice: bank account fraud
- Freeze your NCTUE phone and utility fileLimits harm from: phone or utility account (opens in a new tab)
What happened next7 events
- Undetected 2 events6 days · show events
- Response 4 eventsNotice in 79 days · Back to latest
- Remedy 1 eventOngoing · show events
- PenaltyNone on record
- DisputesNone on record
Response: 4 events
Back to latest- Mailed letters about the data of current and former employees and their family members, after a review that ended on 10 October 2025
- Sent letters to library card holders
- Notified the Washington attorney general; the directory lists 336,826 Washington residents and names and full dates of birth
- Confirmed that it was the target of a cybersecurity event and that some library data was taken; details were still under investigation · press
- Company
- Pierce County Library System
- When it happened
- –
- Company detected it
- Made public
- Notice
- Leak confirmed
- Affected
- 340,101 people · Pierce County Library System's filing with the Maine attorney general, as SecurityWeek reports; press
Sources
- Pierce County Library System company notice, website notice (opens in a new tab)checked November 9, 2026
- Pierce County Library System company notice (opens in a new tab)checked November 9, 2026
- Washington Attorney General regulator (opens in a new tab)checked November 9, 2026
- SecurityWeek press (opens in a new tab)checked November 9, 2026
- The Record press (opens in a new tab)checked November 9, 2026