{"id":714,"date":"2026-03-01T15:00:53","date_gmt":"2026-03-01T15:00:53","guid":{"rendered":"https:\/\/ahjobs.com.br\/?p=714"},"modified":"2026-03-01T15:00:53","modified_gmt":"2026-03-01T15:00:53","slug":"o-que-e-autenticacao-de-2-fatores-e-por-que-voce-deve-usar","status":"publish","type":"post","link":"https:\/\/ahjobs.com.br\/vi\/xac-thuc-hai-yeu-to-la-gi-va-tai-sao-ban-nen-su-dung-no\/","title":{"rendered":"X\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao b\u1ea1n n\u00ean s\u1eed d\u1ee5ng n\u00f3?"},"content":{"rendered":"<p>Vi\u1ec7c s\u1ed1 h\u00f3a ng\u00e0y c\u00e0ng t\u0103ng c\u00e1c d\u1ecbch v\u1ee5 ng\u00e2n h\u00e0ng, m\u1ea1ng x\u00e3 h\u1ed9i, n\u1ec1n t\u1ea3ng doanh nghi\u1ec7p v\u00e0 h\u1ec7 th\u1ed1ng ch\u00ednh ph\u1ee7 \u0111\u00e3 mang l\u1ea1i s\u1ef1 ti\u1ec7n l\u1ee3i, nh\u01b0ng c\u0169ng l\u00e0m gia t\u0103ng nguy c\u01a1 t\u1ea5n c\u00f4ng m\u1ea1ng. R\u00f2 r\u1ec9 d\u1eef li\u1ec7u, l\u1eeba \u0111\u1ea3o tr\u1ef1c tuy\u1ebfn v\u00e0 chi\u1ebfm \u0111o\u1ea1t t\u00e0i kho\u1ea3n \u0111\u00e3 tr\u1edf th\u00e0nh nh\u1eefng s\u1ef1 ki\u1ec7n th\u01b0\u1eddng xuy\u00ean x\u1ea3y ra. Trong b\u1ed1i c\u1ea3nh n\u00e0y, vi\u1ec7c hi\u1ec3u r\u00f5 x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao b\u1ea1n n\u00ean s\u1eed d\u1ee5ng l\u1edbp b\u1ea3o m\u1eadt b\u1ed5 sung n\u00e0y l\u00e0 \u0111i\u1ec1u c\u01a1 b\u1ea3n \u0111\u1ec3 b\u1ea3o v\u1ec7 th\u00f4ng tin c\u00e1 nh\u00e2n v\u00e0 ngh\u1ec1 nghi\u1ec7p.<\/p>\n\n\n\n<p>X\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1, hay c\u00f2n g\u1ecdi l\u00e0 2FA, l\u00e0 m\u1ed9t c\u01a1 ch\u1ebf b\u1ea3o m\u1eadt b\u1ed5 sung th\u00eam b\u01b0\u1edbc x\u00e1c minh th\u1ee9 hai b\u00ean c\u1ea1nh m\u1eadt kh\u1ea9u truy\u1ec1n th\u1ed1ng. B\u1eb1ng c\u00e1ch tri\u1ec3n khai t\u00ednh n\u0103ng n\u00e0y, ng\u01b0\u1eddi d\u00f9ng gi\u1ea3m \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng truy c\u1eadp tr\u00e1i ph\u00e9p, ngay c\u1ea3 khi m\u1eadt kh\u1ea9u c\u1ee7a h\u1ecd b\u1ecb l\u1ed9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">X\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 l\u00e0 g\u00ec v\u00e0 n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n<p>\u0110\u1ec3 hi\u1ec3u \u0111\u1ea7y \u0111\u1ee7 t\u1ea7m quan tr\u1ecdng c\u1ee7a x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1, c\u1ea7n ph\u1ea3i n\u1eafm v\u1eefng c\u00e1c nguy\u00ean t\u1eafc x\u00e1c th\u1ef1c k\u1ef9 thu\u1eadt s\u1ed1.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ba y\u1ebfu t\u1ed1 x\u00e1c th\u1ef1c kinh \u0111i\u1ec3n<\/h3>\n\n\n\n<p>B\u1ea3o m\u1eadt th\u00f4ng tin ph\u00e2n lo\u1ea1i c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u00e1c th\u1ef1c th\u00e0nh ba lo\u1ea1i ch\u00ednh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u1ed9t th\u1ee9 b\u1ea1n bi\u1ebft (m\u1eadt kh\u1ea9u, m\u00e3 PIN)<\/li>\n\n\n\n<li>B\u1ea1n c\u00f3 th\u1ee9 g\u00ec \u0111\u00f3 (\u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, th\u1ebb v\u1eadt l\u00fd)<\/li>\n\n\n\n<li>Th\u00f4ng tin v\u1ec1 b\u1ea1n (sinh tr\u1eafc h\u1ecdc: d\u1ea5u v\u00e2n tay, nh\u1eadn di\u1ec7n khu\u00f4n m\u1eb7t, m\u1ed1ng m\u1eaft)<\/li>\n<\/ul>\n\n\n\n<p>X\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 k\u1ebft h\u1ee3p hai trong s\u1ed1 c\u00e1c y\u1ebfu t\u1ed1 ri\u00eang bi\u1ec7t n\u00e0y. V\u00ed d\u1ee5, khi b\u1ea1n nh\u1eadp m\u1eadt kh\u1ea9u (th\u1ee9 b\u1ea1n bi\u1ebft) v\u00e0 sau \u0111\u00f3 nh\u1eadp m\u00e3 \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng c\u1ee7a b\u1ea1n (th\u1ee9 b\u1ea1n c\u00f3), b\u1ea1n \u0111ang s\u1eed d\u1ee5ng x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 (2FA).<\/p>\n\n\n\n<p>C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng b\u1ecb x\u00e2m ph\u1ea1m, v\u00ec k\u1ebb t\u1ea5n c\u00f4ng s\u1ebd c\u1ea7n ph\u1ea3i x\u00e2m nh\u1eadp \u0111\u1ed3ng th\u1eddi hai y\u1ebfu t\u1ed1.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">V\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt, x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 (2FA) ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n\n\n\n<p>Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, y\u1ebfu t\u1ed1 x\u00e1c th\u1ef1c th\u1ee9 hai d\u1ef1a tr\u00ean c\u00e1c m\u00e3 t\u1ea1m th\u1eddi \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi thu\u1eadt to\u00e1n TOTP (M\u1eadt kh\u1ea9u m\u1ed9t l\u1ea7n d\u1ef1a tr\u00ean th\u1eddi gian). C\u00e1c m\u00e3 n\u00e0y h\u1ebft h\u1ea1n sau 30 ho\u1eb7c 60 gi\u00e2y v\u00e0 \u0111\u01b0\u1ee3c \u0111\u1ed3ng b\u1ed9 h\u00f3a gi\u1eefa m\u00e1y ch\u1ee7 v\u00e0 \u1ee9ng d\u1ee5ng x\u00e1c th\u1ef1c.<\/p>\n\n\n\n<p>C\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 Google Authenticator, Microsoft Authenticator v\u00e0 Authy s\u1eed d\u1ee5ng ti\u00eau chu\u1ea9n n\u00e0y. V\u00ec m\u00e3 \u0111\u01b0\u1ee3c t\u1ea1o c\u1ee5c b\u1ed9 tr\u00ean thi\u1ebft b\u1ecb c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, quy tr\u00ecnh n\u00e0y an to\u00e0n h\u01a1n so v\u1edbi vi\u1ec7c nh\u1eadn m\u00e3 qua SMS, v\u1ed1n c\u00f3 th\u1ec3 b\u1ecb ch\u1eb7n b\u1edfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ho\u00e1n \u0111\u1ed5i SIM.<\/p>\n\n\n\n<p>Ngo\u00e0i ra, c\u00f2n c\u00f3 c\u00e1c m\u00e3 th\u00f4ng b\u00e1o v\u1eadt l\u00fd tu\u00e2n theo c\u00f9ng nguy\u00ean t\u1eafc m\u00e3 h\u00f3a, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p v\u00e0 h\u1ec7 th\u1ed1ng ng\u00e2n h\u00e0ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c lo\u1ea1i x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 ch\u00ednh<\/h2>\n\n\n\n<p>M\u1eb7c d\u00f9 kh\u00e1i ni\u1ec7m n\u00e0y \u0111\u1ed9c \u0111\u00e1o, nh\u01b0ng c\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau \u0111\u1ec3 tri\u1ec3n khai x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">M\u00e3 qua SMS<\/h3>\n\n\n\n<p>\u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn v\u00e0 d\u1ec5 ti\u1ebfp c\u1eadn nh\u1ea5t. Sau khi nh\u1eadp m\u1eadt kh\u1ea9u, ng\u01b0\u1eddi d\u00f9ng s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c m\u00e3 x\u00e1c nh\u1eadn qua tin nh\u1eafn v\u0103n b\u1ea3n. M\u1eb7c d\u00f9 ti\u1ec7n l\u1ee3i, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y l\u1ea1i ti\u1ec1m \u1ea9n c\u00e1c l\u1ed7 h\u1ed5ng li\u00ean quan \u0111\u1ebfn vi\u1ec7c sao ch\u00e9p v\u00e0 \u0111\u00e1nh c\u1eafp th\u00f4ng tin th\u1ebb SIM.<\/p>\n\n\n\n<p>Tuy v\u1eady, n\u00f3 v\u1eabn an to\u00e0n h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi ch\u1ec9 s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng x\u00e1c th\u1ef1c<\/h3>\n\n\n\n<p>Ch\u00fang \u0111\u01b0\u1ee3c coi l\u00e0 an to\u00e0n h\u01a1n tin nh\u1eafn SMS. M\u00e3 \u0111\u01b0\u1ee3c t\u1ea1o ngo\u1ea1i tuy\u1ebfn, lo\u1ea1i b\u1ecf nguy c\u01a1 b\u1ecb ch\u1eb7n th\u00f4ng qua m\u1ea1ng di \u0111\u1ed9ng.<\/p>\n\n\n\n<p>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c c\u00e1c chuy\u00ean gia an ninh m\u1ea1ng khuy\u1ebfn ngh\u1ecb r\u1ed9ng r\u00e3i, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ec3 b\u1ea3o v\u1ec7 t\u00e0i kho\u1ea3n email, m\u1ea1ng x\u00e3 h\u1ed9i v\u00e0 d\u1ecbch v\u1ee5 t\u00e0i ch\u00ednh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Th\u00f4ng b\u00e1o \u0111\u1ea9y<\/h3>\n\n\n\n<p>M\u1ed9t s\u1ed1 n\u1ec1n t\u1ea3ng g\u1eedi th\u00f4ng b\u00e1o \u0111\u1ebfn thi\u1ebft b\u1ecb \u0111\u00e3 \u0111\u0103ng k\u00fd, y\u00eau c\u1ea7u x\u00e1c nh\u1eadn b\u1eb1ng m\u1ed9t thao t\u00e1c ch\u1ea1m. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y mang l\u1ea1i s\u1ef1 ti\u1ec7n l\u1ee3i, nh\u01b0ng ph\u1ee5 thu\u1ed9c v\u00e0o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Sinh tr\u1eafc h\u1ecdc nh\u01b0 m\u1ed9t y\u1ebfu t\u1ed1 th\u1ee9 hai<\/h3>\n\n\n\n<p>Trong c\u00e1c thi\u1ebft b\u1ecb hi\u1ec7n \u0111\u1ea1i, sinh tr\u1eafc h\u1ecdc c\u00f3 th\u1ec3 \u0111\u00f3ng vai tr\u00f2 l\u00e0 y\u1ebfu t\u1ed1 x\u00e1c th\u1ef1c th\u1ee9 hai, \u0111\u1eb7c bi\u1ec7t khi k\u1ebft h\u1ee3p v\u1edbi m\u1eadt kh\u1ea9u ho\u1eb7c m\u00e3 PIN. Nh\u1eadn d\u1ea1ng v\u00e2n tay v\u00e0 nh\u1eadn d\u1ea1ng khu\u00f4n m\u1eb7t l\u00e0 nh\u1eefng v\u00ed d\u1ee5 ph\u1ed5 bi\u1ebfn.<\/p>\n\n\n\n<p>Tuy nhi\u00ean, sinh tr\u1eafc h\u1ecdc ph\u1ea3i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p v\u1edbi c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c v\u00ec, kh\u00f4ng gi\u1ed1ng nh\u01b0 m\u1eadt kh\u1ea9u, n\u00f3 kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i n\u1ebfu b\u1ecb x\u00e2m ph\u1ea1m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao b\u1ea1n n\u00ean s\u1eed d\u1ee5ng x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1.<\/h2>\n\n\n\n<p>Vi\u1ec7c \u00e1p d\u1ee5ng x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 kh\u00f4ng c\u00f2n l\u00e0 t\u00f9y ch\u1ecdn trong nhi\u1ec1u d\u1ecbch v\u1ee5 m\u00e0 tr\u1edf th\u00e0nh y\u00eau c\u1ea7u b\u1ea3o m\u1eadt b\u1eaft bu\u1ed9c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u1ea3o v\u1ec7 ch\u1ed1ng r\u00f2 r\u1ec9 m\u1eadt kh\u1ea9u<\/h3>\n\n\n\n<p>C\u00e1c nghi\u00ean c\u1ee9u ch\u1ec9 ra r\u1eb1ng m\u1ed9t t\u1ef7 l\u1ec7 l\u1edbn ng\u01b0\u1eddi d\u00f9ng t\u00e1i s\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u tr\u00ean nhi\u1ec1u n\u1ec1n t\u1ea3ng kh\u00e1c nhau. Khi x\u1ea3y ra vi ph\u1ea1m d\u1eef li\u1ec7u \u1edf m\u1ed9t d\u1ecbch v\u1ee5, th\u00f4ng tin \u0111\u0103ng nh\u1eadp c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng ki\u1ec3m tra tr\u00ean c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c \u2014 m\u1ed9t k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 t\u1ea5n c\u00f4ng nh\u1ed3i nh\u00e9t th\u00f4ng tin \u0111\u0103ng nh\u1eadp (credential stuffing).<\/p>\n\n\n\n<p>Khi b\u1eadt x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 (2FA), ngay c\u1ea3 khi m\u1eadt kh\u1ea9u b\u1ecb l\u1ed9, k\u1ebb t\u1ea5n c\u00f4ng c\u0169ng kh\u00f4ng th\u1ec3 ho\u00e0n t\u1ea5t qu\u00e1 tr\u00ecnh \u0111\u0103ng nh\u1eadp n\u1ebfu thi\u1ebfu y\u1ebfu t\u1ed1 x\u00e1c th\u1ef1c th\u1ee9 hai.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Gi\u1ea3m thi\u1ec3u r\u1ee7i ro l\u1eeba \u0111\u1ea3o tr\u1ef1c tuy\u1ebfn<\/h3>\n\n\n\n<p>C\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u1eeba \u0111\u1ea3o (phishing) \u0111\u00e1nh l\u1eeba ng\u01b0\u1eddi d\u00f9ng nh\u1eadp th\u00f4ng tin \u0111\u0103ng nh\u1eadp c\u1ee7a h\u1ecd v\u00e0o c\u00e1c trang web gi\u1ea3 m\u1ea1o. M\u1eb7c d\u00f9 m\u1eadt kh\u1ea9u c\u00f3 th\u1ec3 b\u1ecb \u0111\u00e1nh c\u1eafp, nh\u01b0ng m\u00e3 t\u1ea1m th\u1eddi th\u01b0\u1eddng h\u1ebft h\u1ea1n nhanh ch\u00f3ng, khi\u1ebfn vi\u1ec7c l\u1ea1m d\u1ee5ng tr\u1edf n\u00ean kh\u00f3 kh\u0103n.<\/p>\n\n\n\n<p>H\u01a1n n\u1eefa, c\u00e1c n\u1ec1n t\u1ea3ng ti\u00ean ti\u1ebfn h\u01a1n s\u1eed d\u1ee5ng x\u00e1c th\u1ef1c \u0111a y\u1ebfu t\u1ed1 d\u1ef1a tr\u00ean kh\u00f3a v\u1eadt l\u00fd (nh\u01b0 thi\u1ebft b\u1ecb FIDO2), h\u1ea7u nh\u01b0 lo\u1ea1i b\u1ecf r\u1ee7i ro n\u00e0y.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u1ea3o m\u1eadt trong c\u00e1c giao d\u1ecbch t\u00e0i ch\u00ednh<\/h3>\n\n\n\n<p>C\u00e1c ng\u00e2n h\u00e0ng v\u00e0 c\u00f4ng ty fintech s\u1eed d\u1ee5ng x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 \u0111\u1ec3 x\u00e1c th\u1ef1c c\u00e1c giao d\u1ecbch, chuy\u1ec3n kho\u1ea3n v\u00e0 thay \u0111\u1ed5i t\u00e0i kho\u1ea3n. L\u1edbp b\u1ea3o m\u1eadt b\u1ed5 sung n\u00e0y ng\u0103n ch\u1eb7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng tr\u00e1i ph\u00e9p, ngay c\u1ea3 trong tr\u01b0\u1eddng h\u1ee3p t\u00e0i kho\u1ea3n b\u1ecb x\u00e2m ph\u1ea1m m\u1ed9t ph\u1ea7n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n<\/h3>\n\n\n\n<p>C\u00e1c c\u00f4ng ty tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 ISO 27001, LGPD (Lu\u1eadt B\u1ea3o v\u1ec7 D\u1eef li\u1ec7u Chung c\u1ee7a Brazil) v\u00e0 c\u00e1c quy \u0111\u1ecbnh ng\u00e2n h\u00e0ng th\u01b0\u1eddng y\u00eau c\u1ea7u x\u00e1c th\u1ef1c \u0111a y\u1ebfu t\u1ed1 \u0111\u1ec3 truy c\u1eadp v\u00e0o c\u00e1c h\u1ec7 th\u1ed1ng n\u1ed9i b\u1ed9. Do \u0111\u00f3, b\u00ean c\u1ea1nh b\u1ea3o m\u1eadt c\u00e1 nh\u00e2n, x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 (2FA) l\u00e0 m\u1ed9t y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi doanh nghi\u1ec7p trong nhi\u1ec1u l\u0129nh v\u1ef1c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1ch b\u1eadt x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 tr\u00ean c\u00e1c n\u1ec1n t\u1ea3ng ch\u00ednh<\/h2>\n\n\n\n<p>H\u1ea7u h\u1ebft c\u00e1c d\u1ecbch v\u1ee5 k\u1ef9 thu\u1eadt s\u1ed1 hi\u1ec7n nay \u0111\u1ec1u cung c\u1ea5p t\u00f9y ch\u1ecdn b\u1eadt x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 (2FA) trong c\u00e0i \u0111\u1eb7t b\u1ea3o m\u1eadt.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">M\u1ea1ng x\u00e3 h\u1ed9i v\u00e0 email<\/h3>\n\n\n\n<p>C\u00e1c n\u1ec1n t\u1ea3ng nh\u01b0 Google, Facebook, Instagram v\u00e0 LinkedIn cho ph\u00e9p b\u1ea1n k\u00edch ho\u1ea1t x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 ch\u1ec9 trong v\u00e0i b\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Truy c\u1eadp v\u00e0o c\u00e0i \u0111\u1eb7t b\u1ea3o m\u1eadt.<\/li>\n\n\n\n<li>Ch\u1ecdn \u201cX\u00e1c minh hai b\u01b0\u1edbc\u201d.<\/li>\n\n\n\n<li>H\u00e3y ch\u1ecdn ph\u01b0\u01a1ng th\u1ee9c x\u00e1c th\u1ef1c \u01b0a th\u00edch c\u1ee7a b\u1ea1n (SMS, \u1ee9ng d\u1ee5ng x\u00e1c th\u1ef1c ho\u1eb7c ch\u00eca kh\u00f3a v\u1eadt l\u00fd).<\/li>\n\n\n\n<li>H\u00e3y l\u01b0u l\u1ea1i c\u00e1c m\u00e3 kh\u00f4i ph\u1ee5c \u0111\u01b0\u1ee3c cung c\u1ea5p.<\/li>\n<\/ol>\n\n\n\n<p>M\u00e3 kh\u00f4i ph\u1ee5c r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 truy c\u1eadp trong tr\u01b0\u1eddng h\u1ee3p thi\u1ebft b\u1ecb ch\u00ednh b\u1ecb m\u1ea5t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">D\u1ecbch v\u1ee5 doanh nghi\u1ec7p v\u00e0 h\u1ec7 th\u1ed1ng doanh nghi\u1ec7p<\/h3>\n\n\n\n<p>Trong m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p, x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p th\u00f4ng qua c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ecbnh danh nh\u01b0 Azure AD, Okta ho\u1eb7c Google Workspace. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p n\u00e0y, vi\u1ec7c tri\u1ec3n khai do b\u1ed9 ph\u1eadn CNTT qu\u1ea3n l\u00fd.<\/p>\n\n\n\n<p>C\u00e1c c\u00f4ng ty n\u00ean \u00e1p d\u1ee5ng ch\u00ednh s\u00e1ch x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 (2FA) b\u1eaft bu\u1ed9c cho t\u1ea5t c\u1ea3 nh\u00e2n vi\u00ean \u0111\u1ec3 gi\u1ea3m nguy c\u01a1 truy c\u1eadp tr\u00e1i ph\u00e9p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p>Hi\u1ec3u r\u00f5 x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao b\u1ea1n n\u00ean s\u1eed d\u1ee5ng t\u00ednh n\u0103ng n\u00e0y l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft trong b\u1ed1i c\u1ea3nh k\u1ef9 thu\u1eadt s\u1ed1 ng\u00e0y c\u00e0ng d\u1ec5 b\u1ecb t\u1ea5n c\u00f4ng m\u1ea1ng. M\u1eadt kh\u1ea9u \u0111\u01a1n l\u1ebb kh\u00f4ng c\u00f2n \u0111\u1ee7 \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m, t\u00e0i kho\u1ea3n ng\u00e2n h\u00e0ng v\u00e0 th\u00f4ng tin doanh nghi\u1ec7p.<\/p>\n\n\n\n<p>B\u1eb1ng c\u00e1ch th\u00eam l\u1edbp x\u00e1c th\u1ef1c th\u1ee9 hai, cho d\u00f9 th\u00f4ng qua \u1ee9ng d\u1ee5ng x\u00e1c th\u1ef1c, m\u00e3 th\u00f4ng b\u00e1o v\u1eadt l\u00fd hay sinh tr\u1eafc h\u1ecdc, b\u1ea1n s\u1ebd gi\u1ea3m \u0111\u00e1ng k\u1ec3 nguy c\u01a1 b\u1ecb x\u00e2m ph\u1ea1m. Kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t t\u00f9y ch\u1ecdn, x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt k\u1ef9 thu\u1eadt s\u1ed1 kh\u00f4ng th\u1ec3 thi\u1ebfu.<\/p>\n\n\n\n<p>Do \u0111\u00f3, vi\u1ec7c b\u1eadt x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 (2FA) tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c n\u1ec1n t\u1ea3ng c\u00f3 th\u1ec3 kh\u00f4ng ch\u1ec9 l\u00e0 bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba m\u00e0 c\u00f2n l\u00e0 chi\u1ebfn l\u01b0\u1ee3c th\u00f4ng minh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o b\u1ea3o v\u1ec7 li\u00ean t\u1ee5c, b\u1ea3o m\u1eadt d\u1eef li\u1ec7u v\u00e0 s\u1ef1 an t\u00e2m trong m\u00f4i tr\u01b0\u1eddng tr\u1ef1c tuy\u1ebfn.<\/p>","protected":false},"excerpt":{"rendered":"<p>A crescente digitaliza\u00e7\u00e3o de servi\u00e7os banc\u00e1rios, redes sociais, plataformas corporativas e sistemas governamentais trouxe conveni\u00eancia, mas tamb\u00e9m ampliou os riscos de ataques cibern\u00e9ticos. Vazamentos de dados, phishing e invas\u00f5es de contas tornaram-se eventos recorrentes. Nesse contexto, entender o que \u00e9 autentica\u00e7\u00e3o de 2 fatores e por que voc\u00ea deve usar essa camada adicional de seguran\u00e7a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":715,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":{"0":"post-714","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-utilidades"},"_links":{"self":[{"href":"https:\/\/ahjobs.com.br\/vi\/wp-json\/wp\/v2\/posts\/714","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ahjobs.com.br\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ahjobs.com.br\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ahjobs.com.br\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ahjobs.com.br\/vi\/wp-json\/wp\/v2\/comments?post=714"}],"version-history":[{"count":1,"href":"https:\/\/ahjobs.com.br\/vi\/wp-json\/wp\/v2\/posts\/714\/revisions"}],"predecessor-version":[{"id":716,"href":"https:\/\/ahjobs.com.br\/vi\/wp-json\/wp\/v2\/posts\/714\/revisions\/716"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ahjobs.com.br\/vi\/wp-json\/wp\/v2\/media\/715"}],"wp:attachment":[{"href":"https:\/\/ahjobs.com.br\/vi\/wp-json\/wp\/v2\/media?parent=714"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ahjobs.com.br\/vi\/wp-json\/wp\/v2\/categories?post=714"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ahjobs.com.br\/vi\/wp-json\/wp\/v2\/tags?post=714"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}