Mark Thomas

Mark Thomas notified Maryland AG of a breach involving personal and health information of affected residents. The incident involved unauthorized access via compromised credentials. Mark Thomas is offering 12 months of credit monitoring and advising on fraud alerts.

Mark Thomas reported a data breach to the Montana Attorney General. The breach was reported on 2025-03-17. The breach occurred from 10/11/2024 to 10/19/2024. 2 Montana residents were affected.

Mark Thomas notified the California Attorney General of a data security incident where an unauthorized actor accessed systems from October 11-19, 2024. The organization became aware of the potential unauthorized access on October 19, 2024. A forensic investigation and manual document review concluded on February 19, 2025, that personal information was included in the impacted data. The incident involved potential viewing and/or obtaining of files containing personal information. The organization engaged external cybersecurity professionals, secured systems, and is offering 12 months of complimentary credit monitoring to affected individuals.

Mark Thomas, a commercial entity, reported an external system breach (hacking) that occurred from October 11, 2024, to October 19, 2024. The breach was discovered on February 19, 2025. One Maine resident was among the 1,357 individuals affected. The company provided written notification to affected consumers on March 17, 2025, and offered one year of credit monitoring services through TransUnion.

Founded in 1927, Mark Thomas & Company have provided land surveying, engineering, urban design, and landscape architectural services that have set the stage for countless California roadways, structures, bicycle/pedestrian facilities, parks, communities, and flood control and utility systems. Mark Thomas is headquartered in San Jose, California.