Ben Johnson, former NSA and Chief Technology Officer (CTO) of SaaS application security firm, Obsidian, has found that businesses around the world are adopting Software as a service (SaaS) apps in droves for collaboration, ease of access to data and business continuity. With this increased adoption, comes the inevitable trend of state-sponsored actors merely logging in to steal data rather than having to break in. Here, Johnson talks to Security magazine about security issues associated with SaaS applications.