Nearly a quarter of IT managers dont know whats going on with 70% of their network traffic. 45% of network traffic is unidentifiable and uncontrollable, survey finds. 85% of survey respondents cited a lack of application visibility as a serious security concern for their organization. On average each infected computer on their network takes 3.3 hours to identify, isolate, and remediate, so that real cost in time and resources adds up very quickly. The survey was sponsored by Sophos and asked IT managers in mid-sized organizations across the globe about how their firewall technology is working for them.”]