Everyone is the USA is a leading producer of anti-virus Symantec, McAfee, Computer Associates and Trend Micro. These companies have a presence as market leader in the USA. Microsoft, likewise, has announced plans for a key player in this market. Microsoft acquired intellectual property and technology GeCad Software, in 2003, a company with headquarters in Bucharest, Romania. In addition, Pelican has acquired the software, which had a problem on the basis of security Giant Company, as well as spyware and software Sybari Software, which manages viruses, spam and anti-phishing filters.

Many discussions focused on, if Microsoft with its own come to a dominant position in the market of anti-virus by simply using the combination of their technologies with its operating systems, at no charge. It is a similar technique in other markets such as word processing and Internet browsers.

Of course, there are a number of manufacturers of anti-virus, also play in this market. There are many companies with a large market presence in other countries, which gradually becoming more widely known. These providers Grisoft east of the Czech Republic, Sophos the United Kingdom, Spain Panda Software, Kaspersky in Russia, Romania, SOFTWIN, F-Secure in Finland, Norway, Norman, Arcabit Poland, Hungary and VirusBuster AHNLAB in South Korea.

It is unclear where industry and any position in this market is facing a rapidly changing landscape. The effort to find and provide updates for the virus is staggering. The malicious programs are increasingly complex and the number of them increases. Many companies can not afford to strengthen the efforts of those really bent on creating chaos. Some viruses are more and more businesses by hundreds of new samples per day! In addition, new viruses are becoming more intelligent, they multiply rapidly, and they often hide and are smart enough, for example in a system of name change in order, it is difficult to remove.