N\u1ebfu nh\u1eadn \u0111\u01b0\u1ee3c email n\u00e0o c\u00f3 d\u00f2ng ch\u1eef: “N\u1ebfu kh\u00f4ng xem \u0111\u01b0\u1ee3c h\u00ecnh \u1ea3nh b\u00ean d\u01b0\u1edbi, h\u00e3y nh\u1ea5p v\u00e0o \u0111\u00e2y”, \u0111i\u1ec1u c\u1ea7n l\u00e0m l\u00e0 x\u00f3a ngay l\u1eadp t\u1ee9c n\u1ebfu kh\u00f4ng mu\u1ed1n g\u1eb7p bi k\u1ecbch.<\/p>\n\n\n\n
Nh\u1eefng th\u1ee7 thu\u1eadt l\u1eeba \u0111\u1ea3o ng\u00e0y c\u00e0ng tinh vi h\u01a1n. Gi\u1edd \u0111\u00e2y, k\u1ebb gian \u0111\u00e3 c\u00f3 m\u1ed9t chi\u1ebfn thu\u1eadt m\u1edbi tr\u00ean email m\u00e0 b\u1ea1n \u0111\u1eb7c bi\u1ec7t ph\u1ea3i h\u1ebft s\u1ee9c c\u1ea9n tr\u1ecdng.<\/p>\n\n\n\n
M\u1ed9t trong nh\u1eefng v\u1ee5 l\u1eeba \u0111\u1ea3o m\u1edbi nh\u1ea5t \u0111ang g\u00e2y x\u00f4n xao hi\u1ec7n nay l\u00e0 g\u1eedi cho ng\u01b0\u1eddi d\u00f9ng m\u1ed9t email g\u1ea7n nh\u01b0 tr\u1ed1ng tr\u01a1n, ch\u1ec9 c\u00f3 m\u1ed9t h\u00ecnh \u1ea3nh tr\u1eafng, \u0111i k\u00e8m v\u1edbi d\u00f2ng ch\u1eef:<\/p>\n\n\n\n
“N\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 xem \u0111\u01b0\u1ee3c h\u00ecnh \u1ea3nh \u0111\u00ednh k\u00e8m trong mail, b\u1ea5m v\u00e0o \u0111\u00e2y<\/strong>.”<\/p>\n\n\n\n Trong t\u1ea5t c\u1ea3 c\u00e1c email l\u1eeba \u0111\u1ea3o, d\u00f2ng ch\u1eef “b\u1ea5m v\u00e0o \u0111\u00e2y” s\u1ebd \u0111\u01b0\u1ee3c li\u00ean k\u1ebft \u0111\u1ebfn trang web \u0111\u1ed9c h\u1ea1i.<\/p>\n\n\n\n N\u1ebfu nh\u1eadn \u0111\u01b0\u1ee3c email l\u1ea1 \u0111\u00ednh k\u00e8m h\u00ecnh \u1ea3nh tr\u1ed1ng tr\u01a1n, tr\u1eafng tinh v\u00e0 kh\u00f4ng c\u00f3 g\u00ec, h\u00e3y l\u1eadp t\u1ee9c x\u00f3a ngay email \u0111\u00f3 \u0111i.<\/p>\n\n\n\n S\u1ef1 th\u1eadt m\u00e0 n\u00f3i, th\u1ef1c s\u1ef1 kh\u00f4ng c\u00f3 h\u00ecnh \u1ea3nh trong email \u0111\u1ec3 xem. N\u00f3i t\u00f3m l\u1ea1i, “h\u00ecnh \u1ea3nh tr\u1eafng” ch\u1eb3ng qua ch\u1ec9 l\u00e0 m\u1ed9t m\u01b0u m\u1eb9o.<\/p>\n\n\n\n To\u00e0n b\u1ed9 m\u1ee5c \u0111\u00edch c\u1ee7a email n\u00e0y l\u00e0 \u0111\u00e1nh v\u00e0o s\u1ef1 t\u00f2 m\u00f2 mu\u1ed1n xem h\u00ecnh \u1ea3nh l\u00e0 g\u00ec, l\u1eeba b\u1ea1n nh\u1ea5p v\u00e0o li\u00ean k\u1ebft \u0111\u1ec3 cu\u1ed1i c\u00f9ng chuy\u1ec3n \u0111\u1ebfn trang web n\u01a1i c\u00f3 ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i t\u1ea3i xu\u1ed1ng tr\u00ean m\u00e1y t\u00ednh ho\u1eb7c thi\u1ebft b\u1ecb di \u0111\u1ed9ng c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n Nh\u1eefng ng\u01b0\u1eddi b\u1ecb nh\u1eafm m\u1ee5c ti\u00eau b\u1edfi l\u1eeba \u0111\u1ea3o h\u00ecnh \u1ea3nh tr\u1eafng s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c email c\u00f3 t\u1ec7p \u0111\u00ednh k\u00e8m .html ho\u1eb7c .htm, ch\u1ec9 ch\u1ee9a h\u00ecnh \u1ea3nh tr\u1ed1ng. Tuy nhi\u00ean, khi nh\u1ea5p v\u00e0o ch\u00fang, ng\u01b0\u1eddi d\u00f9ng s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n h\u01b0\u1edbng \u0111\u1ebfn c\u00e1c trang web c\u00f3 ch\u1ee7 \u0111\u00edch.<\/p>\n\n\n\n Ki\u1ec3m tra t\u1ec7p HTML \u0111\u00ednh k\u00e8m c\u00e1c chuy\u00ean gia ph\u00e1t hi\u1ec7n c\u00f3 t\u1ec7p SVG m\u00e3 h\u00f3a Base64. Javascript \u0111\u01b0\u1ee3c nh\u00fang trong h\u00ecnh \u1ea3nh tr\u1ed1ng s\u1ebd t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n h\u01b0\u1edbng \u0111\u1ebfn m\u1ed9t URL nguy hi\u1ec3m.<\/p>\n\n\n\n M\u1ed9t khi b\u1ecb \u0111\u01b0a sang trang web kh\u00e1c, kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p nh\u1eadp b\u1ea5t k\u1ef3 th\u00f4ng tin c\u00e1 nh\u00e2n n\u00e0o. N\u1ebfu kh\u00f4ng, b\u1ea1n s\u1ebd c\u00f3 nguy c\u01a1 m\u1ea5t d\u1eef li\u1ec7u quan tr\u1ecdng v\u00e0o tay tin t\u1eb7c nh\u01b0 t\u00e0i kho\u1ea3n ng\u00e2n h\u00e0ng, m\u1ea5t ti\u1ec1n b\u1ea1c, l\u1ed9 d\u1eef li\u1ec7u c\u00f4ng vi\u1ec7c, g\u00e2y ra nh\u1eefng bi k\u1ecbch kh\u00f4ng mong mu\u1ed1n.<\/p>\n\n\n\n C\u00f4ng ty b\u1ea3o m\u1eadt email Avanan, n\u01a1i ph\u00e1t hi\u1ec7n tr\u00f2 l\u1eeba \u0111\u1ea3o, c\u1ea3nh b\u00e1o r\u1eb1ng d\u1ea1ng th\u1ee9c n\u00e0y qua m\u1eb7t \u0111\u01b0\u1ee3c c\u00e1c c\u00f4ng c\u1ee5 b\u1ea3o m\u1eadt tr\u00ean m\u00e1y t\u00ednh.<\/p>\n\n\n\n V\u00ec v\u1eady, ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng th\u1ec3 ph\u1ee5 thu\u1ed9c v\u00e0o h\u1ec7 th\u1ed1ng qu\u00e9t virus t\u1ef1 \u0111\u1ed9ng t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 email hay ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt c\u00e1 nh\u00e2n \u0111\u1ec3 ph\u00e1t hi\u1ec7n ra n\u00f3.<\/p>\n\n\n\n Ngo\u00e0i ra, tr\u00f2 l\u1eeba \u0111\u1ea3o n\u00e0y c\u00f2n \u1ea9n t\u1ec7p trong c\u00e1c email tr\u00f4ng c\u00f3 v\u1ebb h\u1ee3p ph\u00e1p. V\u00ed d\u1ee5 email th\u01b0\u1eddng \u0111\u1ebfn \u0111\u1ebfn t\u1eeb DocuSign, n\u1ec1n t\u1ea3ng ch\u1eef k\u00fd \u0111i\u1ec7n t\u1eed n\u1ed5i ti\u1ebfng.<\/p>\n\n\n\n T\u00ean c\u1ee7a t\u1ec7p \u0111\u00ednh k\u00e8m \u0111\u1ed9c h\u1ea1i l\u00e0 “Th\u00f4ng b\u00e1o chuy\u1ec3n ti\u1ec1n \u0111\u00e3 \u0111\u01b0\u1ee3c scan”.<\/p>\n\n\n\n Li\u00ean k\u1ebft “Xem t\u00e0i li\u1ec7u” trong email s\u1ebd \u0111\u01b0a m\u1ecdi ng\u01b0\u1eddi \u0111\u1ebfn trang DocuSign th\u1ef1c, nh\u01b0ng s\u1ef1 c\u1ed1 b\u1eaft \u0111\u1ea7u x\u1ea3y ra khi m\u1ecdi ng\u01b0\u1eddi nh\u1ea5p v\u00e0o t\u1ec7p \u0111\u00ednh k\u00e8m.<\/p>\n\n\n\n V\u00ed d\u1ee5 n\u00e0y cho th\u1ea5y l\u00fd do t\u1ea1i sao b\u1ea1n kh\u00f4ng bao gi\u1edd n\u00ean t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c email ho\u1eb7c t\u1ec7p \u0111\u00ednh k\u00e8m kh\u00f4ng mong mu\u1ed1n, ngay c\u1ea3 khi ch\u00fang c\u00f3 v\u1ebb h\u1ee3p ph\u00e1p ho\u1eb7c khi\u1ebfn b\u1ea1n t\u00f2 m\u00f2 v\u1ec1 n\u1ed9i dung.<\/p>\n\n\n\n V\u1edbi c\u00e1c c\u00f4ng ty, \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 thay \u0111\u1ed5i c\u00e0i \u0111\u1eb7t email \u0111\u1ec3 ch\u1eb7n t\u1ec7p \u0111\u00ednh k\u00e8m .html. Nhi\u1ec1u doanh nghi\u1ec7p c\u0169ng l\u00e0m \u0111i\u1ec1u t\u01b0\u01a1ng t\u1ef1 v\u1edbi t\u1ec7p .exe \u0111\u1ec3 gi\u00fap h\u1ec7 th\u1ed1ng email an to\u00e0n h\u01a1n.<\/p>\n\n\n\n C\u00f2n v\u1edbi ng\u01b0\u1eddi d\u00f9ng ph\u1ed5 th\u00f4ng, nguy\u00ean t\u1eafc chung l\u00e0 kh\u00f4ng g\u1eedi b\u1ea5t k\u1ef3 chi ti\u1ebft c\u00e1 nh\u00e2n n\u00e0o ho\u1eb7c t\u1ea3i xu\u1ed1ng t\u1ec7p \u0111\u00ednh k\u00e8m t\u1eeb nh\u1eefng ng\u01b0\u1eddi b\u1ea1n kh\u00f4ng bi\u1ebft ho\u1eb7c kh\u00f4ng tin t\u01b0\u1edfng.<\/p>\n\n\n\n N\u1ebfu nh\u1eadn \u0111\u01b0\u1ee3c email \u0111\u00e1ng ng\u1edd t\u1eeb ai \u0111\u00f3, h\u00e3y li\u00ean h\u1ec7 v\u1edbi h\u1ecd qua m\u1ed9t n\u1ec1n t\u1ea3ng kh\u00e1c v\u00e0 ki\u1ec3m tra xem li\u00ean k\u1ebft ho\u1eb7c t\u1ec7p \u0111\u00ednh k\u00e8m c\u00f3 th\u1ef1c s\u1ef1 \u0111\u1ebfn t\u1eeb h\u1ecd kh\u00f4ng.<\/p>\n\n\n\n L\u1eeba \u0111\u1ea3o h\u00ecnh \u1ea3nh tr\u1ed1ng l\u00e0 m\u1ed9t l\u1eddi nh\u1eafc nh\u1edf k\u1ecbp th\u1eddi r\u1eb1ng tin t\u1eb7c th\u01b0\u1eddng ph\u00e1t tri\u1ec3n nh\u1eefng c\u00e1ch m\u1edbi \u0111\u1ec3 l\u1eeba n\u1ea1n nh\u00e2n, khi\u1ebfn h\u1ecd m\u1ea5t c\u1ea3nh gi\u00e1c.<\/p>\n\n\n\n \u0110\u1ecbnh d\u1ea1ng c\u1ee7a c\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y \u0111\u1eb7c bi\u1ec7t nguy hi\u1ec3m v\u00ec ch\u00fang ch\u1ec9 xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng m\u1ed9t th\u00f4ng b\u00e1o tr\u1ed1ng. Kh\u00f4ng c\u00f3 l\u1ed7i ch\u00ednh t\u1ea3, h\u00ecnh \u1ea3nh ho\u1eb7c b\u1ea5t k\u1ef3 th\u1ee9 g\u00ec kh\u00e1c gi\u00fap b\u1ea1n ho\u00e0i nghi ho\u1eb7c c\u1ea3nh gi\u00e1c.<\/p>\n\n\n\n Jeremy Fuchs, nh\u00e0 nghi\u00ean c\u1ee9u an ninh m\u1ea1ng t\u1ea1i Avanan, n\u00f3i v\u1edbi Cybernews: “Tin t\u1eb7c c\u00f3 th\u1ec3 nh\u1eafm m\u1ee5c ti\u00eau th\u1ef1c t\u1ebf v\u00e0o b\u1ea5t k\u1ef3 ai b\u1eb1ng k\u1ef9 thu\u1eadt n\u00e0y.<\/p>\n\n\n\n Gi\u1ed1ng nh\u01b0 h\u1ea7u h\u1ebft c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng, m\u1ee5c \u0111\u00edch l\u00e0 l\u1ea5y \u0111\u01b0\u1ee3c th\u00f4ng tin h\u1eefu \u00edch n\u00e0o \u0111\u00f3 t\u1eeb n\u1ea1n nh\u00e2n. B\u1ea5t k\u1ef3 ng\u01b0\u1eddi d\u00f9ng n\u00e0o c\u00f3 email v\u00e0 ti\u1ec1n b\u1ea1c \u0111\u1ec1u l\u00e0 m\u1ee5c ti\u00eau kh\u1ea3 thi”.<\/p>\n\n\n\n H\u00e0nh \u0111\u1ed9ng t\u1ef1 b\u1ea3o v\u1ec7 m\u00ecnh \u0111\u01a1n gi\u1ea3n nh\u1ea5t l\u00e0 n\u1ebfu nh\u1eadn \u0111\u01b0\u1ee3c email n\u00e0o c\u00f3 d\u00f2ng ch\u1eef: “N\u1ebfu kh\u00f4ng xem \u0111\u01b0\u1ee3c c\u00e1c h\u00ecnh \u1ea3nh b\u00ean d\u01b0\u1edbi, h\u00e3y nh\u1ea5p v\u00e0o \u0111\u00e2y”, ho\u1eb7c th\u1ee9 g\u00ec \u0111\u00f3 t\u01b0\u01a1ng t\u1ef1, r\u1ea5t c\u00f3 th\u1ec3 \u0111\u00f3 l\u00e0 tr\u00f2 l\u1eeba \u0111\u1ea3o.<\/p>\n","protected":false},"excerpt":{"rendered":" N\u1ebfu nh\u1eadn \u0111\u01b0\u1ee3c email n\u00e0o c\u00f3 d\u00f2ng ch\u1eef: “N\u1ebfu kh\u00f4ng xem \u0111\u01b0\u1ee3c h\u00ecnh \u1ea3nh b\u00ean d\u01b0\u1edbi, h\u00e3y nh\u1ea5p v\u00e0o \u0111\u00e2y”, […]<\/p>\n","protected":false},"author":6,"featured_media":8475,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-8473","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bao-mat"],"views":459,"_links":{"self":[{"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/posts\/8473","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/comments?post=8473"}],"version-history":[{"count":3,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/posts\/8473\/revisions"}],"predecessor-version":[{"id":8477,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/posts\/8473\/revisions\/8477"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/media\/8475"}],"wp:attachment":[{"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/media?parent=8473"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/categories?post=8473"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/tags?post=8473"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Gi\u1ea3i th\u00edch v\u1ec1 l\u1eeba \u0111\u1ea3o h\u00ecnh \u1ea3nh tr\u1eafng<\/strong><\/h3>\n\n\n\n
Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 l\u00e0m g\u00ec?<\/strong><\/h3>\n\n\n\n