Mobile security start-up Armor5 has been acquired by data security company Digital Guardian for an undisclosed amount as it expands its focus to mobile data.

US-based cloud security company Armor5 has been acquired by secure data company Digital Guardian for an undisclosed amount, providing an exit to networking technology company Citrix’s corporate venturing unit, Citrix Startup Accelerator.  

Armor5 provides cloud-based control services that secure mobile access to enterprise data and applications in orrder to prevent people copying or corrupting company files using their own devices. 

Digital Guardian, which until August was known as Verdasys, is an enterprise software company which protects sensitive data from both insider…