IT administrators say IT security tools that allow them to create safe network zones are introducing a new crop of security and operation problems. The act of segmentation that some enterprises have turned to for hardened security is actually introducing misconfiguration risks. It’s not unheard of for enterprises to manage a snarled mass of hundreds of thousands to even millions of firewall rules settings on a daily basis. Many firewalls are often misconfigured with rules broader than necessary, says Jody Brazil, president and CTO of Firemon.”]