{"id":1338,"date":"2026-05-27T09:07:11","date_gmt":"2026-05-27T02:07:11","guid":{"rendered":"https:\/\/vncybers.vn\/passkeys-la-gi-tai-sao-day-la-chia-khoa-de-khai-tu-mat-khau-truyen-thong\/"},"modified":"2026-05-27T09:07:11","modified_gmt":"2026-05-27T02:07:11","slug":"passkeys-la-gi-tai-sao-day-la-chia-khoa-de-khai-tu-mat-khau-truyen-thong","status":"publish","type":"post","link":"https:\/\/vncybers.vn\/en\/passkeys-la-gi-tai-sao-day-la-chia-khoa-de-khai-tu-mat-khau-truyen-thong\/","title":{"rendered":"Passkeys l\u00e0 g\u00ec? T\u1ea1i sao \u0111\u00e2y l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 khai t\u1eed m\u1eadt kh\u1ea9u truy\u1ec1n th\u1ed1ng"},"content":{"rendered":"

M\u1eadt kh\u1ea9u truy\u1ec1n th\u1ed1ng \u0111\u00e3 ph\u1ee5c v\u1ee5 ch\u00fang ta trong nhi\u1ec1u th\u1eadp k\u1ef7, nh\u01b0ng ch\u00fang c\u0169ng l\u00e0 m\u1eaft x\u00edch y\u1ebfu nh\u1ea5t trong chu\u1ed7i b\u1ea3o m\u1eadt s\u1ed1. V\u1edbi s\u1ef1 b\u00f9ng n\u1ed5 c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng phishing v\u00e0 c\u00f4ng c\u1ee5 b\u1ebb kh\u00f3a d\u1ef1a tr\u00ean AI, vi\u1ec7c thay th\u1ebf m\u1eadt kh\u1ea9u b\u1eb1ng m\u1ed9t gi\u1ea3i ph\u00e1p m\u1ea1nh m\u1ebd h\u01a1n \u0111\u00e3 tr\u1edf th\u00e0nh nhu c\u1ea7u c\u1ea5p thi\u1ebft. Passkeys ch\u00ednh l\u00e0 c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00f3.<\/strong><\/p>\n\n\n\n

Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd c\u00f9ng t\u00ecm hi\u1ec3u Passkeys l\u00e0 g\u00ec, c\u01a1 ch\u1ebf v\u1eadn h\u00e0nh c\u1ee7a ch\u00fang v\u00e0 t\u1ea1i sao \u0111\u00e2y \u0111\u01b0\u1ee3c coi l\u00e0 t\u01b0\u01a1ng lai c\u1ee7a an ninh m\u1ea1ng.<\/p>\n\n\n\n

Passkeys l\u00e0 g\u00ec?<\/h2>\n\n\n\n

Passkeys l\u00e0 m\u1ed9t ti\u00eau chu\u1ea9n x\u00e1c th\u1ef1c k\u1ef9 thu\u1eadt s\u1ed1 m\u1edbi, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng \u0111\u0103ng nh\u1eadp v\u00e0o c\u00e1c t\u00e0i kho\u1ea3n tr\u1ef1c tuy\u1ebfn m\u00e0 kh\u00f4ng c\u1ea7n nh\u1eadp m\u1eadt kh\u1ea9u. Thay v\u00ec d\u1ef1a tr\u00ean m\u1ed9t chu\u1ed7i k\u00fd t\u1ef1 d\u1ec5 b\u1ecb \u0111\u00e1nh c\u1eafp ho\u1eb7c qu\u00ean, Passkeys s\u1eed d\u1ee5ng c\u00e1c c\u1eb7p kh\u00f3a m\u1eadt m\u00e3 (cryptographic key pairs) v\u00e0 c\u00e1c ph\u01b0\u01a1ng th\u1ee9c x\u00e1c th\u1ef1c sinh tr\u1eafc h\u1ecdc hi\u1ec7n c\u00f3 tr\u00ean thi\u1ebft b\u1ecb nh\u01b0 v\u00e2n tay, khu\u00f4n m\u1eb7t (FaceID) ho\u1eb7c m\u00e3 PIN c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n\n\n\n

\u0110\u01b0\u1ee3c ph\u00e1t tri\u1ec3n d\u1ef1a tr\u00ean ti\u00eau chu\u1ea9n c\u1ee7a li\u00ean minh FIDO (Fast Identity Online) v\u00e0 World Wide Web Consortium (W3C), Passkeys nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 \u1ee7ng h\u1ed9 m\u1ea1nh m\u1ebd t\u1eeb c\u00e1c t\u1eadp \u0111o\u00e0n c\u00f4ng ngh\u1ec7 l\u1edbn nh\u01b0 Apple, Google v\u00e0 Microsoft.<\/p>\n\n\n\n

C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Passkeys<\/h2>\n\n\n\n

Kh\u00e1c v\u1edbi m\u1eadt kh\u1ea9u (v\u1ed1n l\u00e0 m\u1ed9t b\u00ed m\u1eadt \u0111\u01b0\u1ee3c chia s\u1ebb gi\u1eefa b\u1ea1n v\u00e0 website), Passkeys d\u1ef1a tr\u00ean k\u1ef9 thu\u1eadt m\u1eadt m\u00e3 kh\u00f3a c\u00f4ng khai (Public Key Cryptography):<\/p>\n\n\n\n

    \n
  • Kh\u00f3a ri\u00eang t\u01b0 (Private Key):<\/strong> \u0110\u01b0\u1ee3c l\u01b0u tr\u1eef an to\u00e0n ngay tr\u00ean thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n (\u0111i\u1ec7n tho\u1ea1i, m\u00e1y t\u00ednh). Kh\u00f3a n\u00e0y kh\u00f4ng bao gi\u1edd r\u1eddi kh\u1ecfi thi\u1ebft b\u1ecb v\u00e0 kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c chia s\u1ebb v\u1edbi b\u1ea5t k\u1ef3 ai, k\u1ec3 c\u1ea3 website b\u1ea1n \u0111\u0103ng nh\u1eadp.<\/li>\n
  • Kh\u00f3a c\u00f4ng khai (Public Key):<\/strong> \u0110\u01b0\u1ee3c g\u1eedi t\u1edbi v\u00e0 l\u01b0u tr\u1eef tr\u00ean m\u00e1y ch\u1ee7 c\u1ee7a d\u1ecbch v\u1ee5. Kh\u00f3a n\u00e0y ch\u1ec9 c\u00f3 t\u00e1c d\u1ee5ng x\u00e1c minh, kh\u00f4ng th\u1ec3 d\u00f9ng \u0111\u1ec3 gi\u1ea3 m\u1ea1o danh t\u00ednh n\u1ebfu b\u1ecb l\u1ed9.<\/li>\n<\/ul>\n\n\n\n

    Khi b\u1ea1n th\u1ef1c hi\u1ec7n \u0111\u0103ng nh\u1eadp, website s\u1ebd g\u1eedi m\u1ed9t “th\u1eed th\u00e1ch” (challenge) t\u1edbi thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n. Thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng Kh\u00f3a ri\u00eang t\u01b0 \u0111\u1ec3 k\u00fd x\u00e1c nh\u1eadn th\u1eed th\u00e1ch \u0111\u00f3 sau khi b\u1ea1n \u0111\u00e3 x\u00e1c th\u1ef1c b\u1eb1ng v\u00e2n tay ho\u1eb7c khu\u00f4n m\u1eb7t. N\u1ebfu ch\u1eef k\u00fd h\u1ee3p l\u1ec7, b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c \u0111\u0103ng nh\u1eadp th\u00e0nh c\u00f4ng.<\/p>\n\n\n\n

    T\u1ea1i sao Passkeys an to\u00e0n h\u01a1n m\u1eadt kh\u1ea9u?<\/h2>\n\n\n\n

    1. Ch\u1ed1ng l\u1ea1i t\u1ea5n c\u00f4ng Phishing tuy\u1ec7t \u0111\u1ed1i:<\/strong> V\u00ec Passkeys \u0111\u01b0\u1ee3c li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd v\u1edbi t\u00ean mi\u1ec1n c\u1ee7a website ho\u1eb7c \u1ee9ng d\u1ee5ng, thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n s\u1ebd kh\u00f4ng bao gi\u1edd k\u00fd x\u00e1c th\u1ef1c cho m\u1ed9t trang web gi\u1ea3 m\u1ea1o. K\u1ebb t\u1ea5n c\u00f4ng kh\u00f4ng th\u1ec3 l\u1eeba b\u1ea1n nh\u1eadp Passkeys nh\u01b0 c\u00e1ch h\u1ecd l\u1eeba b\u1ea1n nh\u1eadp m\u1eadt kh\u1ea9u.<\/p>\n\n\n\n

    2. Kh\u00f4ng s\u1ee3 l\u1ed9 d\u1eef li\u1ec7u (Data Breach):<\/strong> Ngay c\u1ea3 khi m\u00e1y ch\u1ee7 c\u1ee7a website b\u1ecb hack, k\u1ebb t\u1ea5n c\u00f4ng ch\u1ec9 l\u1ea5y \u0111\u01b0\u1ee3c c\u00e1c Kh\u00f3a c\u00f4ng khai. Ch\u00fang ho\u00e0n to\u00e0n v\u00f4 d\u1ee5ng n\u1ebfu kh\u00f4ng c\u00f3 Kh\u00f3a ri\u00eang t\u01b0 n\u1eb1m tr\u00ean thi\u1ebft b\u1ecb v\u1eadt l\u00fd c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

    3. Lo\u1ea1i b\u1ecf r\u1ee7i ro t\u1eeb y\u1ebfu t\u1ed1 con ng\u01b0\u1eddi:<\/strong> Kh\u00f4ng c\u00f2n t\u00ecnh tr\u1ea1ng \u0111\u1eb7t m\u1eadt kh\u1ea9u y\u1ebfu (123456), d\u00f9ng chung m\u1eadt kh\u1ea9u cho nhi\u1ec1u trang web ho\u1eb7c qu\u00ean m\u1eadt kh\u1ea9u. Qu\u00e1 tr\u00ecnh \u0111\u0103ng nh\u1eadp tr\u1edf n\u00ean nhanh ch\u00f3ng v\u00e0 m\u01b0\u1ee3t m\u1edd nh\u01b0 vi\u1ec7c m\u1edf kh\u00f3a \u0111i\u1ec7n tho\u1ea1i.<\/p>\n\n\n\n

    Passkeys trong k\u1ef7 nguy\u00ean Deepfake v\u00e0 AI<\/h2>\n\n\n\n

    Trong n\u0103m 2025 v\u00e0 2026, ch\u00fang ta ch\u1ee9ng ki\u1ebfn s\u1ef1 tr\u1ed7i d\u1eady c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u1eeba \u0111\u1ea3o s\u1eed d\u1ee5ng Deepfake \u0111\u1ec3 v\u01b0\u1ee3t qua x\u00e1c th\u1ef1c qua cu\u1ed9c g\u1ecdi ho\u1eb7c video. Tuy nhi\u00ean, Passkeys cung c\u1ea5p m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 v\u1eadt l\u00fd m\u00e0 AI kh\u00f4ng th\u1ec3 m\u00f4 ph\u1ecfng. Vi\u1ec7c x\u00e1c th\u1ef1c sinh tr\u1eafc h\u1ecdc di\u1ec5n ra c\u1ee5c b\u1ed9 (local) tr\u00ean thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n \u0111\u1ec3 gi\u1ea3i ph\u00f3ng Kh\u00f3a ri\u00eang t\u01b0, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 d\u1eef li\u1ec7u sinh tr\u1eafc h\u1ecdc c\u1ee7a b\u1ea1n kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c g\u1eedi qua m\u1ea1ng, lo\u1ea1i b\u1ecf nguy c\u01a1 b\u1ecb AI \u0111\u00e1nh ch\u1eb7n ho\u1eb7c t\u00e1i t\u1ea1o ch\u1eef k\u00fd s\u1ed1.<\/p>\n\n\n\n

    C\u00e1ch b\u1eaft \u0111\u1ea7u s\u1eed d\u1ee5ng Passkeys<\/h2>\n\n\n\n

    Hi\u1ec7n nay, h\u1ea7u h\u1ebft c\u00e1c d\u1ecbch v\u1ee5 ph\u1ed5 bi\u1ebfn nh\u01b0 Google, Apple ID, Microsoft, Facebook, Amazon v\u00e0 PayPal \u0111\u00e3 h\u1ed7 tr\u1ee3 Passkeys. \u0110\u1ec3 k\u00edch ho\u1ea1t, b\u1ea1n ch\u1ec9 c\u1ea7n v\u00e0o m\u1ee5c c\u00e0i \u0111\u1eb7t b\u1ea3o m\u1eadt trong t\u00e0i kho\u1ea3n c\u1ee7a m\u00ecnh v\u00e0 ch\u1ecdn “T\u1ea1o Passkey”.<\/p>\n\n\n\n

    L\u1eddi k\u1ebft:<\/strong> Vi\u1ec7c chuy\u1ec3n d\u1ecbch sang Passkeys kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t xu h\u01b0\u1edbng c\u00f4ng ngh\u1ec7, m\u00e0 l\u00e0 m\u1ed9t b\u01b0\u1edbc ti\u1ebfn quan tr\u1ecdng \u0111\u1ec3 b\u1ea3o v\u1ec7 b\u1ea3n th\u00e2n trong m\u00f4i tr\u01b0\u1eddng s\u1ed1 \u0111\u1ea7y r\u1eaby r\u1ee7i ro. H\u00e3y b\u1eaft \u0111\u1ea7u lo\u1ea1i b\u1ecf m\u1eadt kh\u1ea9u v\u00e0 tr\u1ea3i nghi\u1ec7m s\u1ef1 an to\u00e0n, ti\u1ec7n l\u1ee3i m\u00e0 Passkeys mang l\u1ea1i ngay h\u00f4m nay.<\/p>","protected":false},"excerpt":{"rendered":"

    M\u1eadt kh\u1ea9u truy\u1ec1n th\u1ed1ng \u0111\u00e3 ph\u1ee5c v\u1ee5 ch\u00fang ta trong nhi\u1ec1u th\u1eadp k\u1ef7, nh\u01b0ng ch\u00fang c\u0169ng l\u00e0 m\u1eaft x\u00edch y\u1ebfu nh\u1ea5t trong chu\u1ed7i b\u1ea3o m\u1eadt s\u1ed1. V\u1edbi s\u1ef1 b\u00f9ng n\u1ed5 c\u1ee7a c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng phishing v\u00e0 c\u00f4ng c\u1ee5 b\u1ebb kh\u00f3a d\u1ef1a tr\u00ean AI, vi\u1ec7c thay th\u1ebf m\u1eadt kh\u1ea9u b\u1eb1ng m\u1ed9t gi\u1ea3i ph\u00e1p m\u1ea1nh m\u1ebd […]<\/p>\n","protected":false},"author":2,"featured_media":1337,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-1338","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/posts\/1338","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/comments?post=1338"}],"version-history":[{"count":0,"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/posts\/1338\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/media\/1337"}],"wp:attachment":[{"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/media?parent=1338"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/categories?post=1338"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vncybers.vn\/en\/wp-json\/wp\/v2\/tags?post=1338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}