Sage Data Security, a South Portland company that provides information security services for financial institutions, healthcare providers, government agencies and businesses, said it was acquired by Boston-based private investment firm Knob Hill Partners.

The terms of the deal were not disclosed. Sage Data said the deal would provide additional capital and resources to supports its growth efforts.

Sage Data, which was founded in 2002, will maintain its name, management team, employees and Maine headquarters.

The company’s founder, Sari Greene, has been named to the board of the directors. Two Knob Hill managing partners, Charles Burckmyer and Scott Nolll, will assume operational responsibility for the business.