4件のクレジットカードの利用情報があれば、90％の個人は特定できるという研究結果 – 財経新聞
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4件のクレジットカードの利用情報があれば、90％の個人は特定できるという研究結果
財経新聞 マサチューセッツ工科大学の研究者らがクレジットカード記録3ヶ月分のデータを分析したところ、4件のクレジットカードの利用履歴から90％の個人を一意に特定できたという（AFP、Science誌掲載論文）。 さらに、購入した物の価格が判明すると識別の可能性は上がり、また … |
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