A major part of Internet security is having a firewall and anti-virus software. If a person stays on secure sites, and doesn't give out credit card numbers to any unsecure site to buy anything, they should be okay. When buy things on the Internet, one should stay on well-known sites with many users and traffic. This makes it harder for hackers to find credit card numbers and personal infromation. The software that is used by corporations is constantly getting better. It is more secure, almost impossible to hack into, and has excellent overall security. Encryption is used the popular web browsers, which makes it more secure.