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> Do you support Chinese interception against their adversaries? Are you happy to turn over your entire email history on entering a country? You put these two

• pjc50 12y ago
  Not necessarily, no. The second phrase comes from a bunch of stories which I don't have sources for right now about people having their laptops searched at various customs posts around the world, including some where people have been asked to log into their email. However, if you log in to your gmail while in China you should assume there is a risk of it being compromised, such as by SSL MITM or targeted exploit. And theoretically in the future entering the UK might require turning over your entire email archive. The proposition that "MI5 should have access to the full communications history of everyone in the country" implies that as people enter the country MI5 should acquire their entire email history. Otherwise there are people in the UK whose communications MI5 cannot read; and that's what Cameron was saying was "unacceptable". Not that this is directly likely - it's more likely that MI5 will pass all PNR data to the NSA and ask them to check their copy of everyone's email instead.