The role of CISO has evolved in the last five years from one of IT security administration to high-level risk management. Here are four perspectives on how and why it happened and how you can go about doing the job effectively today.

The role of chief information security officer is not what it was five years ago. According to those who find themselves in the role, that's not necessarily a bad thing.

It used to be that CSOs were over-glorified IT security administrators, babysitting the firewalls, arguing with software vendors over botched antivirus signature updates and cleaning spyware off of infected laptops. True, that's still the role some CSOs find themselves in, but for the majority the responsibility has shifted to looking at the big picture and designing the program that balances acceptable risks against the unacceptable.

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