The FBI and DHS have issued a warning to businesses about the increase in security incidents involving malicious insiders (current or former employees, contractors, or other business partners).
The US government's explanation of how it managed to discover the location of the servers hosting Silk Road, the infamous online black market, is being disputed by a number of security researchers.
In the wake of reports that several big US financial institutions have had their networks compromised by hackers this month, the FBI and the Secret Service have mounted an official investigation.
"According to industry estimates, botnets have caused over $9 billion in losses to US victims and over $110 billion in losses globally.
A grand jury in the Western District of Pennsylvania indicted five Chinese military hackers for computer hacking, economic espionage and other offenses directed at six American victims in the US nuclear power, metals and solar products industries.
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