Quest Software, a Nasdaq-listed technology management software provider, has invested an undisclosed amount in SecureAuth, online digital identification service.
SecureAuth previously raised $3m in July last year from undisclosed backers to take its then-total to $11m.
John Milburn, vice-president of identity and access management at Quest, said: "By investing in SecureAuth, which offers a fresh, unique approach that enables enterprises to securely and efficiently migrate to the cloud, we are helping to drive greater IT efficiencies for our mutual customers."