{"id":3012,"date":"2026-06-15T13:55:15","date_gmt":"2026-06-15T11:55:15","guid":{"rendered":"https:\/\/www.digitalnisebeobrana.cz\/?post_type=glossary&p=3012"},"modified":"2026-06-15T13:55:15","modified_gmt":"2026-06-15T11:55:15","slug":"sim-swapping","status":"publish","type":"glossary","link":"https:\/\/www.digitalnisebeobrana.cz\/en\/glossary\/sim-swapping\/","title":{"rendered":"SIM swapping"},"content":{"rendered":"

In SIM swapping, the attacker convinces the mobile carrier or abuses the SIM recovery process to gain control of your phone number. They can then receive SMS codes and reset some accounts.<\/p>\n

Why it matters:<\/strong> It shows why SMS is not an ideal second factor for important accounts.<\/p>\n","protected":false},"excerpt":{"rendered":"

An attack where someone tries to move your phone number to a SIM card they control.<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"template":"","glossary-cat":[],"class_list":["post-3012","glossary","type-glossary","status-publish","hentry"],"translation":{"provider":"WPGlobus","version":"3.0.3","language":"en","enabled_languages":["cs","en"],"languages":{"cs":{"title":true,"content":true,"excerpt":true},"en":{"title":true,"content":true,"excerpt":true}}},"yoast_head":"\nSIM swapping - DIGITAL SELF-DEFENSE<\/title>\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.digitalnisebeobrana.cz\/glossary\/sim-swapping\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SIM swapping - DIGITAL SELF-DEFENSE\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.digitalnisebeobrana.cz\/glossary\/sim-swapping\/\" \/>\n<meta property=\"og:site_name\" content=\"DIGITAL SELF-DEFENSE\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/digitalnisebeobrana\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@sodomak\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/glossary\\\/sim-swapping\\\/\",\"url\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/glossary\\\/sim-swapping\\\/\",\"name\":\"SIM swapping - DIGITAL SELF-DEFENSE\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/en\\\/#website\"},\"datePublished\":\"2026-06-15T11:55:15+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/glossary\\\/sim-swapping\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/glossary\\\/sim-swapping\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/glossary\\\/sim-swapping\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Glossary\",\"item\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/glossary\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"SIM swapping\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/en\\\/\",\"name\":\"DIGITAL SELF-DEFENSE\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/en\\\/#\\\/schema\\\/person\\\/e932432719ebfc02a9b05e7b12047736\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/en\\\/#\\\/schema\\\/person\\\/e932432719ebfc02a9b05e7b12047736\",\"name\":\"Milan\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/wp-content\\\/uploads\\\/2022\\\/01\\\/logo.png\",\"url\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/wp-content\\\/uploads\\\/2022\\\/01\\\/logo.png\",\"contentUrl\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/wp-content\\\/uploads\\\/2022\\\/01\\\/logo.png\",\"width\":613,\"height\":73,\"caption\":\"Milan\"},\"logo\":{\"@id\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/wp-content\\\/uploads\\\/2022\\\/01\\\/logo.png\"},\"description\":\"Jmenuji se Milan P\u016flkr\u00e1bek, pamatuji si po\u010d\u00edta\u010de bez internetu, Internet bez Google a mobiln\u00ed komunikaci bez \u0161ifrov\u00e1n\u00ed. 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