If an online company is large enough they might consider the services of a white hat hacker.
Typically when you hear the word hacker it conjures up someone who, with ill intent, searches for ways to mine your company data and destroy or replace data. However, a white hat hacker is someone who could use their abilities to harm your business, but they make the choice to help uncover security failings in your system and then assist in finding ways to protect your company from other hackers.
The reason this approach is helpful to many companies is that if they can revamp their online store to close backdoor entrance to would be hackers then their company data can be safeguarded. Customers often experience an even greater level of trust and security in the online store resulting in improved performance in online sales and uptime.
Maybe this explains why so many of the larger online businesses seem to have less downtime and experience fewer problems. Most hackers know they will have a harder time getting into these systems than smaller companies that may not have the resources to investigate every possible security leak.
That being said, it is important...