Encryption is a method of compressing data files into a format inaccessible to unauthorized people. Technology used in encryption activities was once used exclusively by top-secret military and government operations. Now, even ordinary people can use encryption software to ward off a different kind of spyhackers that steal identities and spread viruses.

Company executives are often advised to use encryption when transmitting sensitive data over the Internet. E-mail must be protected from possible corporate saboteurs. Most E-mail service providers provide an additional encryption feature.

Encrypting emails can be as easy as clicking an icon on the menu bar. Even IT hubs like cafs, hotels, and offices have networks that use encryption systems to protect users from hackers in addition to other security tools like virus scanners and firewalls.

WLAN or wireless local area network users or those that access the Internet through wireless connectivity are often advised to use encryption methods to keep their hard drives, folders, and transactions off limits to people with malicious intent. Protection is always key when accessing the Internet.

Encryption has many levels of sophistication and formidability against attacks. The kind of encryption you can use depends on your software and your technological know-how in implementing encryption. Decryption or the process of deciphering encrypted messages or data is also a part of the encryption system. In this world of wireless connectivity, it is hard to tell who is eavesdropping and stealing your most confidential information. Better be armed against them. This is not to say that encrypted messages are always safe from hackers. The best of the lot may be able to get past the password-protected protocol, even with the best encryption software. But at least these tools can slow down hackers, and the inconvenience alone may deter them from their devious pursuits.