Thoma Bravo, a leading software investment firm, today announced that it has made an additional strategic investment in its portfolio company Imprivata, a digital identity company for mission- and life-critical industries, to fund Imprivata’s acquisition of SecureLink, the leader in critical access management with elite patient privacy monitoring. Upon closing, Cove Hill Partners, SecureLink’s existing majority investor, will retain a minority stake in the combined company. Thoma Bravo acquired Imprivata in September 2016 in a transaction valued at approximately $544 million and...