\u5148\u65e5\u3001Gmail\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u805e\u304b\u308c\u3066\u304d\u3066\u3001\u305d\u306e\u5f8c\u3001\u8272\u3005\u500b\u4eba\u60c5\u5831\u3092\u805e\u304d\u51fa\u3059\u3088\u3046\u306a\u30da\u30fc\u30b8\u304c\u51fa\u3066\u304d\u305f\u306e\u3067\u3001<\/p>\n
The other day, I got asked for my Gmail password, and then a page popped up that asked for all sorts of personal information.<\/span><\/p>\n \u2015\u2015 \u3053\u308c\u3001\u5909\u3060\u305e<\/p>\n \"This is weird\"<\/span><\/p>\n \u3068\u601d\u3044\u3001\u76f4\u3061\u306b\u51e6\u7406\u3092\u6253\u3061\u5207\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u3059\u3067\u306b\u30d1\u30b9\u30ef\u30fc\u30c9\u306f\u5165\u529b\u6e08\u307f\u3002<\/p>\n I immediately terminated the process, but the password had already been entered.<\/span><\/p>\n \u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5909\u66f4\u3059\u308c\u3070\u826f\u3044\u306e\u3067\u3059\u304c\u3001\u79c1\u306eGmail\u306b\u7d10\u4ed8\u3044\u3066\u3044\u308b\u30de\u30b7\u30f3\u306f\u3001\u4eca\u30841\u3064\u30842\u3064\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n I could change my password, but now more than one or two machines have tied to my Gmail.<\/span><\/p>\n \u4eca\u56de\u306e\u79c1\u306e\u30df\u30b9\u3067\u3001\u79c1\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u76d7\u307e\u308c\u305f\u53ef\u80fd\u6027\u306f\u4f4e\u3044\u3067\u3059\u3002<\/p>\n I thought my password had been stolen by this my mistake. <\/span><\/p>\n \u3068\u3044\u3063\u3066\u3001Google\u30a2\u30ab\u30a6\u30f3\u30c8\u304c\u4e57\u3063\u53d6\u3089\u308c\u308c\u3070\u3001\u79c1\u306e\u88ab\u5bb3\u306f\u30cf\u30f3\u30d1\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n However, if my Google account is hijacked, I will be severely damaged.<\/span><\/p>\n -----<\/p>\n \u3067\u3001\u4eca\u56de\u3001\u6025\u3044\u3067Google\u306e\u30ed\u30b0\u30a4\u30f3\u306b\u4e8c\u6bb5\u968e\u8a8d\u8a3c\u3092\u4ed8\u3051\u52a0\u3048\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n So, this time, I hurriedly decided to add two-step verification to my Google login.<\/span><\/p>\n \u4e8c\u6bb5\u968e\u8a8d\u8a3c\u3068\u306f\u3001\u4ef0\u3005\u3057\u3044\u30cd\u30fc\u30df\u30f3\u30b0\u3067\u3059\u304c\u3001\u8981\u306f\u3001\u300c\u65b0\u3057\u3044\u30c7\u30d0\u30a4\u30b9(PC\u3084\u30b9\u30de\u30db)\u304b\u3089\u3001\u79c1\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u304c\u3042\u308b\u3068\u3001\u81ea\u5b85\u306e\u96fb\u8a71(\u30b9\u30de\u30db)\u306b\u3001\u97f3\u58f0\u3084\u30e1\u30c3\u30bb\u30fc\u30b8\u3067\u9023\u7d61\u304c\u3084\u3063\u3066\u304f\u308b\u300d\u3068\u3044\u3046\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u3002<\/p>\n Two-step verification may sound like an ostentatious name, but in essence, it is a system that \"Whenever my account is accessed from a new device (PC or smartphone), I can know the fact by voice or message of my home phone (smartphone).<\/span><\/p>\n \u3053\u308c\u3001\u5fc3\u7406\u7684\u306b\u3001\u304b\u306a\u308a\u5b89\u5fc3\u611f\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n This, psychologically, is quite reassuring.<\/span><\/p>\n \u4ed6\u4eba\u306e\u30c7\u30d0\u30a4\u30b9\u304b\u3089\u30ed\u30b0\u30a4\u30f3\u304c\u3042\u308c\u3070\u3001\u30b9\u30de\u30db\u306b\u9023\u7d61\u304c\u304f\u308b\u306e\u3067\u3001\u30a2\u30ab\u30a6\u30f3\u30c8\u3078\u306e\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u304c\u767a\u751f\u3057\u305f\u304b\u3069\u3046\u304b\u3001\u76f4\u3061\u306b\u5206\u304b\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n If there's a login from other's device, the information comes to my phone. So I can immediately know the unauthorized access has occurred.<\/span><\/p>\n \u73fe\u5728\u306e\u3068\u3053\u308d\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u3055\u308c\u305f\u3001\u3068\u3044\u3046\u5c65\u6b74\u306f\u306a\u3044\u3088\u3046\u3067\u3059\u3002<\/p>\n So far, there is no history of unauthorized access.<\/span><\/p>\n \u3082\u3063\u3068\u3082\u300c\u4e8c\u6bb5\u968e\u8a8d\u8a3c\u300d\u306b\u3057\u3066\u3082\u5b8c\u74a7\u3067\u306f\u3042\u308a\u307e\u305b\u3093(\u3053\u306e\u8a8d\u8a3c\u306e\u7834\u308a\u65b9\u306f\u3001\u30a4\u30e1\u30fc\u30b8\u3067\u304d\u307e\u3059(\u53e4\u81ed\u3044\u30a2\u30ca\u30ed\u30b0\u7684\u306a\u65b9\u6cd5\u3067\u3059\u304c))\u3002<\/p>\n Even if you use \"two-step verification\", it's not perfect (I can imagine how to break this verification (in an old-fashioned analog way)).<\/span><\/p>\n -----<\/p>\n \u3082\u3061\u308d\u3093\u3001\u4e8c\u6bb5\u968e\u8a8d\u8a3c\u306b\u306f\u3001\u4e0a\u8a18\u4ee5\u5916\u306b\u3082\u3001\u30ed\u30b0\u30a4\u30f3\u306e\u5ea6\u306b\u3001\u30b9\u30de\u30db\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u305f\u3001\u3042\u308b\u3044\u306f\u30ab\u30fc\u30c9\u578b\u306e\u30c8\u30fc\u30af\u30f3\u30b7\u30b9\u30c6\u30e0\u3067\u8a8d\u8a3c\u3059\u308b\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n Of course, there are other methods of two-step verification besides the above, such as using a token system installed on your phone or a card-type token system to authenticate each time you log in.<\/span><\/p>\n \u91d1\u878d\u95a2\u4fc2(\u30d3\u30c3\u30c8\u30b3\u30a4\u30f3\u3068\u3001\u30cd\u30c3\u30c8\u30d0\u30f3\u30af)\u3067\u306f\u3001\u3053\u306e\u65b9\u6cd5\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n This is the default method for financial matters (Bitcoin and online banking).<\/span><\/p>\n \u79c1\u306e\u300c\u4e0d\u616e\u306e\u6b7b\u300d\u306e\u5f8c\u3001\u5ac1\u3055\u3093\u3084\u5a18\u304c\u3001\u3053\u306e\u8a8d\u8a3c\u3092\u7a81\u7834\u3057\u3066\u3001\u3061\u3083\u3093\u3068\u304a\u91d1\u3092\u624b\u306b\u5165\u308c\u3066\u304f\u308c\u308b\u306e\u304b\u3001\u51c4\u304f\u5fc3\u914d\u3067\u3059\u3002<\/p>\n After my \"unexpected death,\" I'm terribly worried about whether my wife and daughter will be able to get through this certification and get my money in order.<\/span><\/p>\n \u4e00\u5fdc\u3001\u30de\u30cb\u30e5\u30a2\u30eb\u306f\u4f5c\u3063\u3066\u3042\u308b\u306e\u3067\u3059\u304c\u3001\u300c\u305d\u306e\u30de\u30cb\u30e5\u30a2\u30eb\u3092\u898b\u3064\u3051\u3066\u3082\u3089\u3048\u306a\u3044\u300d\u516c\u7b97\u304c\u9ad8\u3044\u3067\u3059\u3002<\/p>\n