Network Security, Firewalls, and VPNs, 3rd Edition

Internal and External Network Issues

When deploying a new network or modifying an existing infrastructure, carefully evaluate effects on security and security’s impact on the infrastructure. When you or your team overlook or sidestep standard security practices, you can actually decrease security or break the network. Business interruptions can result not only in lost profits, but also in lost opportunities and even in lost jobs. If the compromise is serious enough, the business might not recover.

The threats facing business are numerous and constantly changing. Often, these issues arise daily. Malicious code, information leakage, zero-day exploits, unauthorized software, unethical employees, and complex network infrastructures are just a ...