SailPoint Technologies Holdings Inc., an Austin software maker, has reached an agreement to acquire Whitebox Security Ltd. Whitebox Security is a developer of data-access-governance software designed to protect data. Financial terms of the deal were not disclosed, according to a Wednesday news release. Whitebox, which was founded in 2007, operates three offices in Europe and a development center in Israel, its website indicates. SailPoint Technologies, which was founded in 2005, develops identity...