Security researchers from antivirus vendor Kaspersky Lab warn that cybercriminals hacked into the DNS (Domain Name System) servers of several Brazilian ISPs and used them to redirect users to websites that distributed malware.
Brazilian Hackers Use DNS Poisoning to Infect Users with Banking Trojan
November 8, 2011
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Israel denies Anonymous cyber-attack to blame for websites failure
November 8, 2011Israeli secret service and army websites disrupted for several hours after video threat from Anonymous hacker group
http://www.guardian.co.uk/world/2011/nov/07/israel-anonymous-cyber-attack-websites
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ClearSky Cyberdefense Forum 