(Website) security

Essential basics for building a website
Great image portraying security as the common denominator for this page

Keep yourself, your website and your visitors safe

Having your website hacked is one of the worst things that can happen to you AND your visitors. Customers will leave, trust is difficult to restore and conversion (e.g. sales) will drop.

Keep security breaches as less likely as possible

Saving user data means extra security

Unfortunately, the list above is not the end of it. Hackers are usually rather smart (or buy smart software). Once you start using a database to store user data or adding upload features to your website, you should have your website reviewed (e.g. pen test).

Check out this awesome checklist for even more in depth security Or this for a full, yet rather technical, round up of security issues.