Top Five It System Security

The term "virus" has been used as a catchall phrase for many threats. Essentially, a virus is a computer program that, like a medical virus, has the ability to replicate and infect other computers. Viruses are transmitted over networks or via USB drives and other portable media. In e-commerce sector of any business affected by various virus every day.. Aarong also faces this kind of IT security problem every month. They usually need to maintenance their computer and hard drives that is costly.

A worm is a specific type of virus. Unlike a typical virus, its goal isn't to alter system files, but to replicate so many times that it consumes hard disk space or memory. Worm victims will notice their computers running slower or crashing. In Aarong it may affect their hard drive so they may lose their customer data, financial data, sales data etc.

Trojan horses, commonly referred to as Trojan, are programs. They masquerade as normal, safe applications, but their mission is to allow a hacker remote access to your computer. In turn, the infected computer can be used as part of a denial of service attack and data theft can occur. A particularly nasty Trojan is a keystroke logger than can be used to capture passwords, credit card numbers and other sensitive information. Its negatively impact on Aarong by several damages like website error, log in error, and their potential information may leak.

Some view spam is more of an annoyance than a threat. Still, legislation like the CAN-SPAM Act has been enacted to help combat the problem, so that view may not hold weight with many others. Spam is unsolicited junk mail. It comes in the form of an advertisement, and in addition to being a time waster, has the ability to consume precious network bandwidth. In a large organization like Aarong there are lot of mail from customer, business people, others organization but sometimes they also got spam mail that negatively impact on their e-commerce process like late process, late response, slow down the system etc.

Whereas exploit bragging was not uncommon in the early days, today's cyber-criminal seeks to fly under the radar -- with the exception of the growing legions of hacktivists. They sometimes hack website, internal system, and IT system of organization.

In a large organization which have e-commerce sector like Aarong, they need to very aware of hackers because hackers can easily break the firewall and enter internal system. It causes financial loss, information leak, loss of potential data etc.