Conduct regular audits and security reviews.

10 Steps to Clean up after a Breach

The steps below come from a senior executive at a Fortune 100 financial institution, who prefers to remain anonymous. CIO.com asked him what he would do if he were asked to clean up after a LinkedIn-scale breach.

Keep in mind that the financial industry has many more regulations in place than most sectors, but his advice applies broadly.

Realize that it's important to understand the breach in detail. The goal is to figure out exactly why it happened and how to prevent it, not to assign blame.