スノーデンの警告「Dropboxは捨てろ」「FacebookとGoogleには近づくな」

エドワード・スノーデンによると、プライバシーを重視する人は、Dropbox、Facebook、Google等の人気サービスには近寄らない方がよいらしい。
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エドワード・スノーデンによると、プライバシーを重視する人は、Dropbox、Facebook、Google等の人気サービスには近寄らない方がよいらしい。

スノーデンは今日(米国時間10/12)、New Yorker Festivalの中でリモートインタビューを受け、プライバシーを守るために、何がわれわれにできるかについていくつか質問に答えた。

最初の回答は、政府方針の改革についてだった。自分には「隠すものは何もない」という立場を取る人々に対して、それは「権利のしくみに関する責任の在り方を覆すことだ」と反論した。

「私には隠す物など何もない」と言うことは「この権利のことなど私にはどうでもよい」と言っているのと同じだ。つまりは「私はこの権利を持っていない、なぜならそれを正当化しなくてはならなくなったからだ」とあなたは言っている。本来、政府によるあなたの権利に対する侵害は、政府が正当化しなくてはならない。

さらに彼は、個人レベルでは暗号化ツールを活用し、「プライバシーの敵」であるサービスは使うのをやめるべきだと言った。例えばDropboxを避けるべき理由として、「暗号化をサポートしていない」ことを挙げ、SpiderOakのようなサービスを使うべきだと言った(スノーデンは以前にも、Dropboxがユーザー情報の保護は最優先であると回答したことに対して同様のコメントを述べた)。

[アップデート:Dropboxはスノーデンの発言に関連して、6月のブログ記事に「Dropboxで送受信されるファイルは、ユーザーとサーバーの間で暗号化」されており「サーバー上でも同様である」と書いている。DropboxとSpiderOakの違いは、ここにも説明されているように、SpiderOakは、ユーザーのコンピュータ上でもデータを暗号化している点だ。]

彼によると、FacebookやGoogleはセキュリティーを改善してはいるが、今でも使うのを避けるべき「危険なサービス」だという(彼がこう話すのを見ている人の画面には、必ずGoogle HangoutかYouTubeのロゴがスノーデンの顔の上に表示されていたわけだが)。この点に関する彼の最終的アドバイスはこうだ。暗号化されていないテキストを送るな、代わりにRedPhoneSilent Circleのようなサービスを使え。

インタビューの中でスノーデンは、iOSが暗号化を強化したことが犯罪取り締りに支障を来たすとする主張を退けた。たとえ暗号化されていても、政府機関は対象者の電話機を全面調査する捜査令状を取ることが可能であり、電話機には暗号化データの解読キーが入っている。しかも、AppleやAT&T、Verizon等がデータの召喚を受ける可能性もある、と彼は言った。

プライバシー問題以外に、スノーデンはなぜ彼が政府の電子監視プログラムを暴露する文書をリークするに至ったかについても話した。

秘密のプログラムはあってもいい。取り調べを受けている個人全員の名前を米国民が知る必要がないことはわかるだろう。諜報機関のあらゆるプログラムに関して、われわれが技術的詳細を知る必要もない。しかし、政府がどんな力を持っているのか・・・そしてそれがどうわれわれに影響を与え、どう海外との関係に影響を与るのか、大まかな概要は知る必要がある。なぜなら、もし知らなければ、もはや我々は市民ではなく、もはや我々にリーダーはいないからだ。我々は国民であり、我々には指導者がいる。

なぜスノーデンは米国へ帰って法廷に立たないのかという理由について彼は、米国政府のThomas DrakeChelsea Manningなどの内部告発者に対する扱いを見て、自分が開かれた法廷で陪審員によって裁かれることはないと確信したからだと言う。

「私は政府と交渉する中で、開かれた裁判、即ちDan Ellsbergと場合と同じように公正な裁判を行う用意があるなら喜んで応じると、再三再四政府に伝えた」と彼は言った。「しかし、未だに拒否され続けている」

スノーデンは、彼が中国やロシアという、それ自身人権やプライバシーに関して潔白とはいえない国々の保護を受けていることの矛盾は認めている。いわく、ロシアは彼が中南米へ行くための乗り継ぎ地のはずだった ― しかしパスポートは彼がモスクワ空港にいる間に取消された。

New YorkerのJane Mayerはインタビュー最後の雑談で、スノーデンにこれで自由にウォッカが飲めるだろうとほのめかした。彼はこう答えた。「実は私はアルコールを飲まない。殆ど知られていない事実だが、私は今までに酔ったことがない」

インタビューの全篇ビデオを下に貼った。プライバシーと消費者向けインターネットサービスに関する議論(2つの質問は続いている)は、58:30付近から始まる。

(翻訳:Nob Takahashi / facebook

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