Technology is a wonderful thing. We can create documents, edit images, create music files, and do just about anything we like with a computer. The advancements in technology grow at an alarming rate, and each week we see new things that we ever were possible before.

Viruses are small and malicious computer programs that are try to infect our computers, spreading it from one computer to another computer. In some cases, it is attach to emails. An infected computer can send out tens of thousands of emails, each carrying the virus. And, it will use our email address book to find new people to attack.

If we use a wireless, or Wi-Fi, without any security of it, other people can connect to our link if they are within the range. It means that we have to pay more of the neighbor’s internet use. The people can access to our computer over the wireless link.

Hackers are increasingly motivated by money and stealing our bank account and credit card information. They try to hack into the computer system and transfer the money to their account, or transfer the important information without authorized by the top management.

Fraud is a growing problem online. Some of the entrepreneurs of crime will try to create a fake bank or credit card website, to attract or persuade us to enter our private data, and misuse it.