Maryland Online Data Privacy Act (MODPA)

Maryland's privacy law, effective October 2025, among the strictest US state laws, with strict data-minimization rules and a ban on selling sensitive data.

By Brandon MinaCEO, BrandPilot AIUpdated November 2026

Short answer

The Maryland Online Data Privacy Act (MODPA) is Maryland's comprehensive consumer privacy law, effective October 2025, and among the strictest US state privacy laws. It imposes strict data-minimization rules that limit collection to what is reasonably necessary and bans the sale of sensitive data, raising compliance requirements for advertisers and data partners.