DraftKings Data Security Investigation

Recently, DraftKings reported to the Attorney General of the Commonwealth of Massachusetts that it had experienced a data security incident in which sensitive personal identifiable information in its care may have been compromised. According to the cybersecurity notice, on September 2, 2025, DraftKings became aware of a potential security incident that may have involved unauthorized access to personal data.¹ As a result, DraftKings launched an investigation to determine the nature of the incident.

Through its investigation, DraftKings confirmed that an unauthorized third party stole login credentials from a non-DraftKings source, and sensitive personal information in DraftKings customer accounts may have been accessed by the unauthorized third party using the stolen login credentials.¹ As a result, DraftKings began a review of the data to determine what information had been impacted as well as identify the specific individuals affected. While the information impacted varies depending on the individual, the type of information potentially exposed includes:

• Name
• Address
• Date of birth
• Phone number
• Email address
• Last four digits of payment card
• Profile photo
• Information about prior transactions
• Account balance
• Date when password was last changed

On October 2, 2025, DraftKings began mailing cybersecurity notification letters to impacted individuals. Based on the cybersecurity notice being sent to Massachusetts residents, DraftKings is providing affected individuals with a list of the specific types of sensitive information impacted.¹ A link to the letters that DraftKings filed with the Attorney General of the Commonwealth of Massachusetts is below.