If you do not store any critical data on your computer and require just minimal protection, a free version of software, or a free trial may be sufficient. What is considered to be a critical data? Information pertaining to your Identity, banking information, business information – including client and service vendor data you store – anything that can result in damages (think legal damages), when compromised. In addition, while you may not have some legally critical data on your computer, you may have some personal data that, if destroyed, cannot be replaced, or can be subject to other damages, if it is accessed by unauthorized parties. For example, if you store volumes of data such as photos, artwork files, or written documents that are personally important to you.