Currently, with the use of online attack software, attackers do not need a deep understanding of the network protocol, can complete such as the replacement of the Web site home page, theft Administrator password, database injection and damage to the entire site data and so on attack. The network layer data generated during these attacks is no different from normal data.
The following is the National Computer network Emergency Technology Processing Coordination Center (CNCERT/CC) statistics of the first half of 2008 China's domestic web site was tampered with the statistical map, in January-July only found tampered with more than 41,000 sites, on average, nearly 200 sites have been tampered with every day, This is really an amazing number.
The chart below is a historical survey of a website that has been tampered with from 2003-2007.
From the comparison above, we see that the number of sites being tampered with is increasing at 2-3 times per year. In the Web application so popular, so crucial today, you can say that the site's anti-black tamper-proof solution, has been every enterprise or institution network operation and Maintenance Department of the important task of the eyebrow urgent.