OK techie friends, help me out... what's a "digital signature"?http://www.nytimes.com/2016/10/06/technology/yahoo-email-tech-companies-government-investigations.html?_r=0 …
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...artifacts arising from a target's tooling, for example if their app transmits a UUID (like a registration code or serial).
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The possibilities here are basically limitless, and we can't infer the specific nature of the string without more info.
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Big legal issue is whether scan included content or not. Do we need more info on the string to answer that Q?
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To clarify last question: are there digital signatures that could be found scanning only headers?
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Yes, but rare, and would raise questions of if it's truly unique vice uncommon. Mostly MUA related: http://forensicswiki.org/wiki/Email_Headers …
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do you feel that this new
#Yahoo revelation is worse/more extensive than the NSA metadata program?
End of conversation
New conversation -
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going back to understand everything before FINALLY watching the movie Snowden.
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The NSA spied on Yahoo,what kind of data were they looking for?
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