Alexander has been confirmed to address Black Hat since mid-May, before the Guardian and the Washington Post, relying on leaks from ex-NSA contractor Edward

Alexander has been confirmed to address Black Hat since mid-May, before the Guardian and the Washington Post, relying on leaks from ex-NSA contractor Edward Snowden, revealed widespread NSA surveillance on Americans' phone records and the online habits of persons the NSA believes to be non-Americans living outside the US. Alexander will certainly not be keynoting with all the public scrutiny on him and the NSA now...