The report also found that 75% of all legitimate websites have serious security flaws.
Indeed, over 80% of all infected web pages are nowadays found on legitimate websites, says Sophos, an online-security firm.
Recently, criminals have refined their tactics, hacking into legitimate websites and turning them to the dark side.
When these adverts are displayed on legitimate websites (high-profile examples include The New York Times in 2009 and the London Stock Exchange in 2011), they can transfer viruses to a user's computer.
"Critical momentum could be built up if more well-known and legitimate websites signed up to the code, made that plain on their home pages and allowed consumers to see what that code states," he said.
However, increased use of online filtering means that it is very difficult to find child sexual abuse images from legitimate websites and the vast majority are exchanged through peer-to-peer networks, where there will be a greater realisation of what the images contain.
During a parliamentary debate on privacy and the internet last week, Vaizey said that "more well-known and legitimate websites" should be made to sign-up to the code, saying later that both Google and Facebook would be required to discuss opportunities for redress for aggrieved citizens.
Normally legitimate websites rarely have an occurrence of the character '-'.
In all legitimate websites, the login page is not protected.
We evaluate the proposed approach with both phishing and legitimate websites.
have an average of eight characters more than the legitimate websites, and may have to thirty-seven against four numeric characters only for legitimate websites.
