07-09-2014, 10:26 PM
The Internet is growing fast and doubling its number of websites every 53 days. The number of people using the Internet is doubling every year1. More sites pop up every day. Global communication is getting more important. More and more companies connect their computer networks to the global Internet or connect multiple intranets over the Internet with the help of virtual private networks. E-Commerce is getting an important source of revenue for many companies. At the same time, computer crimes are increasing. Generally, such information gathering should be done silently, without alarming an attacker. All the gathered information leads to an advantage on the defending side and can therefore be used on productive systems to prevent attacks.