As long as your website is providing value to your visitors or online customers and you aren't using any shady black hat techniques to do that, you won't have to worry about Google Penalty. But on the other hand, if you are using SEO techniques which are against Google guidelines, your site may not be so lucky to avoid a penalty.
In order to avoid a Google Penalty, you need to keep yourself abreast of Google's guidelines as well as keep a site check to avoid using shady black hat SEO techniques. To get...