{"id":2414,"date":"2026-03-06T16:32:11","date_gmt":"2026-03-06T08:32:11","guid":{"rendered":"https:\/\/updates.visual-paradigm.com\/vn\/releases\/how-to-specify-encryption-for-a-pdf\/"},"modified":"2026-03-06T16:32:11","modified_gmt":"2026-03-06T08:32:11","slug":"how-to-specify-encryption-for-a-pdf","status":"publish","type":"releases","link":"https:\/\/updates.visual-paradigm.com\/vn\/releases\/how-to-specify-encryption-for-a-pdf\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u00e3 h\u00f3a cho m\u1ed9t t\u00e0i li\u1ec7u PDF"},"content":{"rendered":"<p>T\u00ednh t\u01b0\u01a1ng th\u00edch c\u1ee7a m\u00e3 h\u00f3a cho t\u00e0i li\u1ec7u PDF \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c m\u1ee9c m\u00e3 h\u00f3a kh\u00e1c nhau c\u1ee7a t\u1ec7p PDF c\u1ee7a b\u1ea1n. 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ph\u1ea7n l\u1edbn c\u00e1c c\u00e0i \u0111\u1eb7t b\u1ea3o m\u1eadt, v\u00e0 nh\u1ea5p v\u00e0o \u201cB\u1ea3o m\u1eadt t\u00e0i li\u1ec7u\u201d \u0111\u1ec3 m\u1edf c\u00e0i \u0111\u1eb7t.<\/p>\n<p id=\"mEclZyf\"><img alt=\"\" class=\"alignnone size-full wp-image-2006\" decoding=\"async\" height=\"666\" sizes=\"(max-width: 640px) 100vw, 640px\" src=\"https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2026\/03\/img_69a8eb9d28162.png\" srcset=\"https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2026\/03\/img_69a8eb9d28162.png 640w, https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2026\/03\/img_69a8eb9d28162-288x300.png 288w\" width=\"640\"\/><\/p>\n<p>Nh\u1ea5p v\u00e0o<strong>h\u1ed9p th\u1ea3 xu\u1ed1ng t\u00ednh t\u01b0\u01a1ng th\u00edch<\/strong>v\u00e0 ch\u1ecdn c\u00e0i \u0111\u1eb7t m\u00e3 h\u00f3a mong mu\u1ed1n c\u1ee7a b\u1ea1n<\/p>\n<p id=\"rKOOqDH\"><img loading=\"lazy\" alt=\"\" class=\"alignnone size-full wp-image-2007\" decoding=\"async\" height=\"236\" loading=\"lazy\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" src=\"https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2026\/03\/img_69a8eba0ac67b.png\" srcset=\"https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2026\/03\/img_69a8eba0ac67b.png 640w, https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2026\/03\/img_69a8eba0ac67b-300x111.png 300w\" width=\"640\"\/><\/p>\n<p>Xu\u1ea5t t\u1ec7p PDF c\u1ee7a b\u1ea1n v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng<strong>m\u1ee9c \u0111\u1ed9 m\u00e3 h\u00f3a<\/strong>\u0111\u00e3 thay \u0111\u1ed5i t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<p id=\"OPbGdZk\"><img loading=\"lazy\" alt=\"\" class=\"alignnone size-full wp-image-2008\" decoding=\"async\" height=\"657\" loading=\"lazy\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" src=\"https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2026\/03\/img_69a8eba38e5e2.png\" srcset=\"https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2026\/03\/img_69a8eba38e5e2.png 640w, https:\/\/updates.visual-paradigm.com\/wp-content\/uploads\/2026\/03\/img_69a8eba38e5e2-292x300.png 292w\" width=\"640\"\/><\/p>\n","protected":false},"featured_media":2415,"template":"","meta":{"_acf_changed":false,"_yoast_wpseo_title":"T\u00ednh t\u01b0\u01a1ng th\u00edch c\u1ee7a m\u00e3 h\u00f3a cho t\u00e0i li\u1ec7u PDF \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c m\u1ee9c m\u00e3 h\u00f3a kh\u00e1c nhau c\u1ee7a t\u1ec7p PDF c\u1ee7a b\u1ea1n. 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