Secure Your Customer Data: Here’s How

The cost for such audits varies depending on the size of your e-commerce operation. Generally you can expect to pay $1,000 to $2,500 per day, says Cobb. An audit may take one to 10 days. But that still may be cheaper than getting hit with a fine from the FTC. When selecting an auditor, look for a CISSP, which stands for Certified Information Systems Security Professional.