Networking Security

[pete61uk]

With business interest in internetworking technology expanding almost as fast as the hackers can breed, security - as a design factor - must be a real headache.

So, for the technology options available, say ISDN (B and D channel) or broadband, point-point or VPN, what are the major security headaches and solutions?

[pete61uk]

Perhaps, I shouldn't have implied the question referred to a specific technology?

So, to anyone with internetworking design experience, and/or responsibility for network security, what are the major security issues you are having to contend with?