{"id":10780,"date":"2026-03-24T18:50:05","date_gmt":"2026-03-24T17:50:05","guid":{"rendered":"https:\/\/www.datasystem.es\/nuevo\/?p=10780"},"modified":"2026-03-24T18:50:07","modified_gmt":"2026-03-24T17:50:07","slug":"como-funciona-el-cifrado-de-datos-por-que-protege-tu-informacion-en-internet","status":"publish","type":"post","link":"https:\/\/www.datasystem.es\/nuevo\/como-funciona-el-cifrado-de-datos-por-que-protege-tu-informacion-en-internet\/","title":{"rendered":"\u00bfC\u00f3mo funciona el cifrado de datos? \u00bfPor qu\u00e9 protege tu informaci\u00f3n en internet?:"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"682\" data-src=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-135-1024x682.jpg.webp\" alt=\"Imagen representante de como ese el cifrado de datos\" class=\"wp-image-10782 lazyload\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/682;aspect-ratio:1.5003488599257626;width:711px;height:auto\" data-srcset=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-135-1024x682.jpg.webp 1024w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-135-300x200.jpg.webp 300w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-135-768x512.jpg.webp 768w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-135-1536x1024.jpg.webp 1536w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/uploads\/2026\/03\/image-135-18x12.jpg 18w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-135.jpg.webp 2000w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Hay algo curioso en internet: enviamos mensajes, contrase\u00f1as, datos personales\u2026 y aun as\u00ed confiamos en que nadie m\u00e1s los lea por el camino. Y, en gran parte, eso es posible gracias al cifrado. No es algo que veas ni que tengas que activar manualmente en la mayor\u00eda de casos, pero est\u00e1 ah\u00ed. Entender c\u00f3mo funciona el cifrado de datos ayuda a comprender por qu\u00e9 hoy en d\u00eda podemos navegar o comunicarnos con cierta tranquilidad.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lo m\u00e1s interesante es que, aunque todo parezca normal, la informaci\u00f3n no viaja \u201ctal cual\u201d.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-que-es-el-cifrado-de-datos-sin-complicarlo-demasiado\">\u2b9e Qu\u00e9 es el cifrado de datos sin complicarlo demasiado<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Si quieres entender c\u00f3mo funciona el cifrado de datos, lo mejor es imaginar que transformas un mensaje en algo que no se puede leer a simple vista. Es decir, conviertes informaci\u00f3n comprensible en algo que solo tiene sentido para quien tiene la \u201cclave\u201d correcta.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por ejemplo, cuando introduces una contrase\u00f1a en una web, esa informaci\u00f3n no se env\u00eda tal cual. Se transforma en una versi\u00f3n cifrada que, si alguien la intercepta, no podr\u00e1 entender f\u00e1cilmente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Despu\u00e9s, en el destino, ese mensaje se descifra para recuperar la informaci\u00f3n original.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-que-ocurre-cuando-envias-datos-por-internet\">\u2b9e Qu\u00e9 ocurre cuando env\u00edas datos por internet<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Aqu\u00ed es donde se entiende mejor c\u00f3mo funciona el cifrado de datos. Cuando realizas una acci\u00f3n como iniciar sesi\u00f3n o hacer un pago, tus datos pasan por un proceso de cifrado antes de salir de tu dispositivo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Esa informaci\u00f3n viaja a trav\u00e9s de la red en un formato protegido. Aunque alguien lograra interceptarla, lo \u00fanico que ver\u00eda ser\u00eda una serie de datos sin sentido.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cuando llega al servidor, se utiliza la clave adecuada para descifrarla y procesarla correctamente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Todo esto ocurre en milisegundos, sin que tengas que hacer nada.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"1024\" data-src=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-134-4-1024x1024.jpg.webp\" alt=\"Imagen de datos protegidos por un candado gracias al cifrado\" class=\"wp-image-10789 lazyload\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/1024;width:532px;height:auto\" data-srcset=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-134-4-1024x1024.jpg.webp 1024w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-134-4-300x300.jpg.webp 300w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/uploads\/2026\/03\/image-134-4-150x150.jpg 150w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-134-4-768x768.jpg.webp 768w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/uploads\/2026\/03\/image-134-4-12x12.jpg 12w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-134-4.jpg.webp 1280w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-por-que-es-tan-importante-hoy-en-dia\">\u2b9e Por qu\u00e9 es tan importante hoy en d\u00eda<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Entender c\u00f3mo funciona el cifrado de datos tambi\u00e9n ayuda a ver su importancia real. Sin este sistema, cualquier informaci\u00f3n que env\u00edes por internet podr\u00eda ser le\u00edda f\u00e1cilmente por terceros.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gracias al cifrado, actividades tan comunes como enviar mensajes, comprar online o acceder a cuentas personales son mucho m\u00e1s seguras.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">No es una protecci\u00f3n absoluta, pero s\u00ed una de las bases de la seguridad digital actual.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"682\" data-src=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-135-2-1024x682.jpg.webp\" alt=\"Imagen representante de c\u00f3mo funciona el cifrado de datos\" class=\"wp-image-10786 lazyload\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/682;aspect-ratio:1.5003488599257626;width:594px;height:auto\" data-srcset=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-135-2-1024x682.jpg.webp 1024w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-135-2-300x200.jpg.webp 300w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-135-2-768x512.jpg.webp 768w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-135-2-1536x1024.jpg.webp 1536w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/uploads\/2026\/03\/image-135-2-18x12.jpg 18w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-135-2.jpg.webp 2000w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-donde-se-utiliza-sin-que-lo-notes\">\u2b9e D\u00f3nde se utiliza sin que lo notes<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Lo curioso de c\u00f3mo funciona el cifrado de datos es que lo usamos constantemente sin darnos cuenta. Est\u00e1 presente en p\u00e1ginas web seguras (las que empiezan por HTTPS), en aplicaciones de mensajer\u00eda, en correos electr\u00f3nicos y en muchos otros servicios.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Es decir, no es algo puntual, sino una tecnolog\u00eda integrada en pr\u00e1cticamente todo lo que hacemos en internet.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Al final, c\u00f3mo funciona el cifrado de datos se puede resumir de forma sencilla: convierte la informaci\u00f3n en algo ilegible para protegerla durante el env\u00edo. Y aunque no lo veamos, es una de las razones por las que hoy podemos usar internet con bastante m\u00e1s confianza que hace a\u00f1os.<\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"1080\" style=\"aspect-ratio: 1080 \/ 1080;\" width=\"1080\" controls src=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/uploads\/2026\/03\/Video-Cifrado.mp4\"><\/video><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100\"><a class=\"wp-block-button__link has-white-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.datasystem.es\/nuevo\/\" style=\"border-top-left-radius:64px;border-top-right-radius:64px;border-bottom-left-radius:64px;border-bottom-right-radius:64px;background-color:#02bcbb\">Vis\u00edtanos!<\/a><\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-otros-articulos-interesantes\">Otros art\u00edculos interesantes<\/h3>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-8f761849 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-spinformatica wp-block-embed-spinformatica\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"aaXQyF58Zo\"><a href=\"https:\/\/www.datasystem.es\/nuevo\/proton-en-steam-linux-steam-deck-como-activar-logs-mejorar-compatibilidad-y-solucionar-fallos-comunes\/\">Proton en Steam (Linux\/Steam Deck): \u00bfc\u00f3mo activar logs, mejorar compatibilidad y solucionar fallos comunes?<\/a><\/blockquote><iframe class=\"wp-embedded-content lazyload\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u00abProton en Steam (Linux\/Steam Deck): \u00bfc\u00f3mo activar logs, mejorar compatibilidad y solucionar fallos comunes?\u00bb \u2014 SPInformatica\" data-src=\"https:\/\/www.datasystem.es\/nuevo\/proton-en-steam-linux-steam-deck-como-activar-logs-mejorar-compatibilidad-y-solucionar-fallos-comunes\/embed\/#?secret=kF5kOZqNa9#?secret=aaXQyF58Zo\" data-secret=\"aaXQyF58Zo\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" data-load-mode=\"1\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-spinformatica wp-block-embed-spinformatica\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"WU80Q1XOt8\"><a href=\"https:\/\/www.datasystem.es\/nuevo\/que-es-nfc-y-por-que-aparece-en-fraudes\/\">Qu\u00e9 es NFC y por qu\u00e9 aparece en fraudes<\/a><\/blockquote><iframe class=\"wp-embedded-content lazyload\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; 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visibility: hidden;\" title=\"\u00abQu\u00e9 es el ransomware como servicio (RaaS)\u00bb \u2014 SPInformatica\" data-src=\"https:\/\/www.datasystem.es\/nuevo\/que-es-el-ransomware-como-servicio-raas\/embed\/#?secret=3aA3DGAKcH#?secret=oHloL6HNti\" data-secret=\"oHloL6HNti\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" data-load-mode=\"1\"><\/iframe>\n<\/div><\/figure>\n<\/div>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.tiktok.com\/@datasystem\" rel=\"Tiktok de datasystem\"><img decoding=\"async\" width=\"350\" height=\"350\" data-id=\"8970\" data-src=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/uploads\/2026\/01\/tiktok-logo-tikok-icon-transparent-tikok-app-logo-free-png.png\" alt=\"Tiktok\" class=\"wp-image-8970 lazyload\" data-srcset=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/uploads\/2026\/01\/tiktok-logo-tikok-icon-transparent-tikok-app-logo-free-png.png 350w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/01\/tiktok-logo-tikok-icon-transparent-tikok-app-logo-free-png-300x300.png.webp 300w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/01\/tiktok-logo-tikok-icon-transparent-tikok-app-logo-free-png-150x150.png.webp 150w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/01\/tiktok-logo-tikok-icon-transparent-tikok-app-logo-free-png-12x12.png.webp 12w\" data-sizes=\"(max-width: 350px) 100vw, 350px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 350px; --smush-placeholder-aspect-ratio: 350\/350;\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.instagram.com\/datasystem.es\/\" rel=\"Red social de datasystem\"><img decoding=\"async\" width=\"350\" height=\"350\" data-id=\"8972\" data-src=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/01\/tiktok-logo-tikok-icon-transparent-tikok-app-logo-free-png-1.png.webp\" alt=\"Instagram\" class=\"wp-image-8972 lazyload\" data-srcset=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/01\/tiktok-logo-tikok-icon-transparent-tikok-app-logo-free-png-1.png.webp 350w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/01\/tiktok-logo-tikok-icon-transparent-tikok-app-logo-free-png-1-300x300.png.webp 300w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/01\/tiktok-logo-tikok-icon-transparent-tikok-app-logo-free-png-1-150x150.png.webp 150w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/uploads\/2026\/01\/tiktok-logo-tikok-icon-transparent-tikok-app-logo-free-png-1-12x12.png 12w\" data-sizes=\"(max-width: 350px) 100vw, 350px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 350px; --smush-placeholder-aspect-ratio: 350\/350;\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/x.com\/datasystemm\" rel=\"Twitter de datasystem\"><img decoding=\"async\" width=\"320\" height=\"320\" data-id=\"8974\" data-src=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/01\/twitter-x-logo-png_seeklogo-492396-1.png.webp\" alt=\"Twitter\" class=\"wp-image-8974 lazyload\" data-srcset=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/01\/twitter-x-logo-png_seeklogo-492396-1.png.webp 320w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/01\/twitter-x-logo-png_seeklogo-492396-1-300x300.png.webp 300w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/01\/twitter-x-logo-png_seeklogo-492396-1-150x150.png.webp 150w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/uploads\/2026\/01\/twitter-x-logo-png_seeklogo-492396-1-12x12.png 12w\" data-sizes=\"(max-width: 320px) 100vw, 320px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 320px; --smush-placeholder-aspect-ratio: 320\/320;\" \/><\/a><\/figure>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hay algo curioso en internet: enviamos mensajes, contrase\u00f1as, datos personales\u2026 y aun as\u00ed confiamos en que nadie m\u00e1s los lea por el camino. Y, en gran parte, eso es posible gracias al cifrado. No es algo que veas ni que tengas que activar manualmente en la mayor\u00eda de casos, pero est\u00e1 ah\u00ed. Entender c\u00f3mo funciona [&hellip;]<\/p>\n","protected":false},"author":26,"featured_media":10792,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[179],"tags":[18,114,97,104],"class_list":["post-10780","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-consejos-sobre-software","tag-benefits","tag-guia","tag-seguridad","tag-software"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u00bfC\u00f3mo funciona el cifrado de datos? \u00bfPor qu\u00e9 protege tu informaci\u00f3n en internet?: - SPInformatica<\/title>\n<meta name=\"description\" content=\"Descubre c\u00f3mo funciona el cifrado de datos y c\u00f3mo protege tu informaci\u00f3n en internet al convertirla en datos seguros e ilegibles.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.datasystem.es\/nuevo\/como-funciona-el-cifrado-de-datos-por-que-protege-tu-informacion-en-internet\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00bfC\u00f3mo funciona el cifrado de datos? 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