Technology and services provider Internet Identity (IID) declared that 50% of the entire companies listed in Fortune 500 as well as prominent federal agencies of USA were contaminated with the malevolent program known as DNSChanger. MarketWatch published this dated February 2, 2012.
Significantly, during November 2011, the U.S DOJ (Department of Justice) organized one important shutdown operation of the DNSChanger that during its most active time was loaded onto over 4m Macs and Windows PCs globally, with 25% of them within just USA.
Apparently, DNSChanger alters a computer system's DNS (domain name system), letting fake Web-servers to divert lawful URLs and online searchers. Further, it deactivates software updates and anti-virus programs, making the infected computers vulnerable to malware assaults so data can be accessed from those systems, including e-mails interchanged as well as other information stored thereon.
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