Jennifer Lynch writes:
EFF recently received documents from the FBI that reveal details about the depth of the agency’s electronic surveillance capabilities and call into question the FBI’s controversial effort to push Congress to expand the Communications Assistance to Law Enforcement Act (CALEA) for greater access to communications data. The documents we received were sent to us in response to a Freedom of Information Act (FOIA) request we filed back in 2007 after Wired reported on evidence that the FBI was able to use “secret spyware” to track the source of e-mailed bomb threats against a Washington state high school. The documents discuss a tool called a “web bug” or a “Computer and Internet Protocol Address Verifier” (CIPAV),1 which seems to have been in use since at least 2001.2
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