Thoma Bravo, a private equity firm, completed the investment in Imprivata, a digital identity company for mission- and life-critical industries, from Cove Hill Partners, a private equity firm. Financial terms were not disclosed. Cove Hill Partners will retain a minority stake in the combined company. "Our long-term partnership with Imprivata reflects our passionate belief in the business-enabling power of security in the digital future. With the addition of SecureLink's capabilities, Imprivata is creating a new class of cybersecurity providers that unlocks digital freedom across platforms and applications by seamlessly securing identity interactions at every access point," Scott Crabill, Thoma Bravo Managing Partner.