we talked to matt wong. he said 8 million web pages have been infected the visitors falling victim to drive by down loading. >> the users essentially by -- bystanders. as long as you browse a infected website you just browse it and you would be infected and it'll stay on the computer until they get the signatures to alert you and mostly that's a long time. >> reporter: he said hackers can take over your computer and access your information and even if you have been hacked you may have no way of knowing. the latest trend started a group of hackers working out of the ukraine but now copy cats are jumping on board. the idea is for them toa avoid larger more secure websites and focus on smaller ones. >> it gets more numbers to a large -- know what's going on. >> we want internet to be sure to business can do well and should this is becoming a serious problem. >> reporter: there is no way of knowing how many have unknowingly browsed one of these infected sites but frequent online shores we talked to said they are

co-founder matt wong say people are falling victim to drive-by downloading. >> all you have to do isvigate and brows a site and you would get infected. >> reporter: hackers can essentially take over your personal computer and access your information and if you have been hacked you may have no way of knowing. >> and it is going to stay on your computer until a virus finds it and gets the signatures to be able to alert you of this. and most of the time that's a look time after they never detect it. >> reporter: this latest trend started with a group of hackers working out of the ukraine but now copy cats are jumping on board. >> it is pretty significant. it gets more numbers to a large problem we know what is going on. >> reporter: there is no way of knowing exactly how many internet users have unnoticingly bruised an affected site but frequent online shoppers like dave swab says they aren't overly concerned. >> i think as these problems occur the industry does create solutions for them and it is just a matter of new threats and new solutions. >> reporter: the internet security compani

co-founder matt wong say people are falling victim to drive-by downloading. >> all you have to do isows a site and you would get infected. >> reporter: hackers can essentially take over your personal computer and access your information and if you have been hacked you may have no way of knowing. >> and it is going to stay on your computer until a virus finds it and gets the signatures to be able to alert you of this. and most of the time that's a look time after they never detect it. >> reporter: this latest trend started with a group of hackers working out of the ukraine but now copy cats are jumping on board. >> it is pretty significant. it gets more numbers to a large problem we know what is going on. >> reporter: there is no way of knowing exactly how many internet users have unnoticingly bruised an affected site but frequent online shoppers like dave swab says they aren't overly concerned. >> i think as these problems occur the industry does create solutions for them and it is just a matter of new threats and new solutions. >> reporter: the internet security companies we talked