Identity security company CyberArk has acquired identity governance and administration (IGA) platform Zilla Security in a deal worth up to $175 million. The transaction consists of a $165 million cash portion and an additional $10 million “earn-out” which is payable upon meeting certain milestones — it can be seen as an incentive for the founders or other key personnel to hang about through the transition phase. Founded in 1999, Boston-based CyberArk specializes in access management, including p...