Having a great business website, with regular and potential clients, expected revenues, great reputation in the industry, is in it great. What else one would need.
But, this all can collapse at once due to any hacking attack.
Having a good functional, user-friendly website is not enough, maintaining it for desired results is important and it involves undertaking activities that ensure the website is working and up-to-date. Website security is one of the most important exercises in the website maintenance process.