The hash can be exposed to security suites because some hackers could penetrate security systems, network design, but will be able to develop a security system that is more complex, and how there are many network design.
Security can not hack it. Because some hackers are able to penetrate the security system. But the network is designed to improve the security system is more complex and there are so many ways to design networks.
Security systems can be hacked. Because some hackers can penetrate the security system. But the network design will be able to develop a more sophisticated security system and how to design network there.