A hacked website will get banned from the search engine listings. Once a customer sees your site listed on the search engine block lists, you will have a mountain to climb to regain their trust. Most of the time you simply won't be able to get that trust back. Don't spend your time worrying about website security. Let me handle that while you concentrate on building your business.
Your website might have been hacked and you may not be able to tell. Hackers don't always deface your site. Some hackers use your website to spread malware and to attack other sites. You can't always tell that by just looking at your website. It takes constant monitoring by an expert to protect your website.
Hackers can slow down your website with their attacks. In addition, there are ways to optimize the loading speed of your site. The steps I take to protect your site will actually decrease the time it takes for your pages to load. Google has recently indicated that page loading speed is a factor in their search rankings.