The bad guys contantly develop new ways to attack your computer. Your security software must be up to date at all times to protect agianst the latest threats. If you let your operating system, web browser, or security software get out of date you run the risk of malware, ransomware, or some other bad program onto your computer. Treat your personal information like cash. Dont just hand it out to just anyone. Check out companies and find out who you are dealing with before you do business with that company. Check the company out by typing the company name into your favorite search engine.