The Washington Office of the Attorney General reported a data breach involving Hartford Life and Accident Insurance Company on October 3, 2023. The breach occurred from May 29 to May 30, 2023, affecting approximately 983,931 individuals, including 17,839 Washington residents. The compromised information included names, Social Security numbers, and full dates of birth.

The California Office of the Attorney General reported on March 2, 2021, that The Hartford Fire Insurance Company experienced a data incident where unauthorized individuals accessed personal information through fraudulent auto insurance quote requests from December 2020 to February 3, 2021. The breach potentially exposed driver's license numbers of affected individuals.

On April 12, 2019, the California Office of the Attorney General reported a data breach involving The Hartford Life and Accident Insurance Company. The breach occurred on February 7, 2019, when a former employee copied files containing personal information of approximately 43,000 individuals to an encrypted USB drive, affecting 887 California residents. The incident highlights the vulnerability of internal data to insider threats, emphasizing the need for robust security measures to protect sensitive information.