December 16, 2012
In modern business, information and enterprise systems are becoming major backbones, relied upon for function, communication and longevity. Even smaller businesses have become dependent on computers for operations as well as management of information, from everything from billing, stock levels, to payroll. With the growing demand and need for computer systems and networks, issues begin to arise with systems security. Viruses, Trojan horses, worms, hackers, as well as internal security issues can plague a business. This paper will cover some of the basic concepts for system security, and possible threats. Estimated losses from malicious programs and viruses have been estimated in the billions of dollars. The costs come not only from theft of funds or information, but also the manpower and resources that it takes to find, track, and remove malicious programs, as well as replace programs or files damaged or removed. If you add in trust issues and loss of business from consumers because of data loss, the effects can be long lasting and even devastating to a business. Malicious software, referred to as malware, can contain a variety of threats, from data loss to system failures. There are several types of worms, viruses, Trojan horses and spyware, which can be delivered in a variety of ways. Computer viruses are a type of software or executable file that attaches itself to other programs to be uses. Viruses can cause system failures, rewrite hard drives, or destroy files and programs. Worms are similar to viruses, but are independent programs, rather that attaching to others. Viruses have a tendency to spread more rapidly over networks and through e-mail. Trojan horses are based off their namesake, in which they appear to benign types of programs, but when executed can introduce malware into your system. Spyware is programing that can track computer use. Forms of...