FREQUENTLY ASKED QUESTIONS:
Alameda County Library is investigating a cybersecurity incident involving the names and addresses of an unknown number of library patrons. On September 11, 2017, the Library was contacted by perpetrators who provided a list of approximately 35 Library patron names and addresses. The perpetrators claimed to have this information for the Library’s entire database of users, and threatened to sell the information.
The data provided to the Library did not contain additional personal information that the Library collects, such as birthdate, driver’s license number, or e-mail. The Library never collects social security numbers, financial or credit/debit card information, or medical information.
How Did Alameda County Library Respond?
The Library reported the incident to law enforcement and is continuing to investigate exactly how many library card holders are affected.
Library patrons and taxpayers have every right to expect that their personally identifiable information is protected. We are committed to finding out how this happened and to prevent it from happening again.
Was My Name and Address Accessed by the Perpetrators?
Alameda County Library has mailed letters to the 35 known affected patrons.
How Many Library Card Holders Are There?
There are approximately 400,000 library card holders. At this time, the Library is continuing to investigate exactly how many library card holders are affected.
What Information Does the Library Database Contain?
The patron database record includes a name, address, telephone number, library card number, and an optional birthdate, email address, and driver’s license number. The Library never collects social security numbers, financial or credit/debit card information, or medical information.