{"id":2696,"date":"2026-04-24T11:04:11","date_gmt":"2026-04-24T11:04:11","guid":{"rendered":"https:\/\/blog.ibvl.in\/index.php\/2026\/04\/24\/hiding-bluetooth-trackers-in-mail\/"},"modified":"2026-04-24T11:04:11","modified_gmt":"2026-04-24T11:04:11","slug":"hiding-bluetooth-trackers-in-mail","status":"publish","type":"post","link":"https:\/\/blog.ibvl.in\/index.php\/2026\/04\/24\/hiding-bluetooth-trackers-in-mail\/","title":{"rendered":"Hiding Bluetooth Trackers in Mail"},"content":{"rendered":"<div>\n<p>It was used to <a href=\"https:\/\/www.tomshardware.com\/tech-industry\/cyber-security\/bluetooth-tracker-hidden-in-a-postcard-and-mailed-to-a-warship-exposed-its-location-a-eur5-gadget-put-a-eur500-million-dutch-ship-at-risk-for-24-hours\">track<\/a> a Dutch naval ship:<\/p>\n<blockquote>\n<p>Dutch journalist Just Vervaart, working for regional media network Omroep Gelderland, followed the directions posted on the Dutch government website and mailed a postcard with a hidden tracker inside. Because of this, they were able to track the ship for about a day, watching it sail from Heraklion, Crete, before it turned towards Cyprus. While it only showed the location of that one vessel, knowing that it was part of a carrier strike group sailing in the Mediterranean could potentially put the entire fleet at risk.<\/p>\n<p>[\u2026]<\/p>\n<p>Navy officials reported that the tracker was discovered within 24 hours of the ship\u2019s arrival, during mail sorting, and was eventually disabled. Because of this incident, the Dutch authorities now ban electronic greeting cards, which, unlike packages, weren\u2019t x-rayed before being brought on the ship.<\/p>\n<\/blockquote>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>It was used to track a Dutch naval ship: Dutch journalist Just Vervaart, working for regional media network Omroep Gelderland, followed the directions posted on the Dutch government website and mailed a postcard with a hidden tracker inside. Because of this, they were able to track the ship for about a day, watching it sail [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-container-style":"default","site-container-layout":"default","site-sidebar-layout":"default","disable-article-header":"default","disable-site-header":"default","disable-site-footer":"default","disable-content-area-spacing":"default","footnotes":""},"categories":[456,90,347,53],"tags":[91],"class_list":["post-2696","post","type-post","status-publish","format-standard","hentry","category-bluetooth","category-cybersecurity","category-tracking","category-uncategorized","tag-cybersecurity"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hiding Bluetooth Trackers in Mail - Imperative Business Ventures Limited<\/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:\/\/blog.ibvl.in\/index.php\/2026\/04\/24\/hiding-bluetooth-trackers-in-mail\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hiding Bluetooth Trackers in Mail - Imperative Business Ventures Limited\" \/>\n<meta property=\"og:description\" content=\"It was used to track a Dutch naval ship: Dutch journalist Just Vervaart, working for regional media network Omroep Gelderland, followed the directions posted on the Dutch government website and mailed a postcard with a hidden tracker inside. Because of this, they were able to track the ship for about a day, watching it sail [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blog.ibvl.in\/index.php\/2026\/04\/24\/hiding-bluetooth-trackers-in-mail\/\" \/>\n<meta property=\"og:site_name\" content=\"Imperative Business Ventures Limited\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-24T11:04:11+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/blog.ibvl.in\/index.php\/2026\/04\/24\/hiding-bluetooth-trackers-in-mail\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/blog.ibvl.in\/index.php\/2026\/04\/24\/hiding-bluetooth-trackers-in-mail\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\/\/blog.ibvl.in\/#\/schema\/person\/55b87b72a56b1bbe9295fe5ef7a20b02\"},\"headline\":\"Hiding Bluetooth Trackers in Mail\",\"datePublished\":\"2026-04-24T11:04:11+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/blog.ibvl.in\/index.php\/2026\/04\/24\/hiding-bluetooth-trackers-in-mail\/\"},\"wordCount\":146,\"keywords\":[\"Cybersecurity\"],\"articleSection\":[\"Bluetooth\",\"Cybersecurity\",\"tracking\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blog.ibvl.in\/index.php\/2026\/04\/24\/hiding-bluetooth-trackers-in-mail\/\",\"url\":\"https:\/\/blog.ibvl.in\/index.php\/2026\/04\/24\/hiding-bluetooth-trackers-in-mail\/\",\"name\":\"Hiding Bluetooth Trackers in Mail - Imperative Business Ventures Limited\",\"isPartOf\":{\"@id\":\"https:\/\/blog.ibvl.in\/#website\"},\"datePublished\":\"2026-04-24T11:04:11+00:00\",\"author\":{\"@id\":\"https:\/\/blog.ibvl.in\/#\/schema\/person\/55b87b72a56b1bbe9295fe5ef7a20b02\"},\"breadcrumb\":{\"@id\":\"https:\/\/blog.ibvl.in\/index.php\/2026\/04\/24\/hiding-bluetooth-trackers-in-mail\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/blog.ibvl.in\/index.php\/2026\/04\/24\/hiding-bluetooth-trackers-in-mail\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/blog.ibvl.in\/index.php\/2026\/04\/24\/hiding-bluetooth-trackers-in-mail\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/blog.ibvl.in\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Hiding Bluetooth Trackers in Mail\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/blog.ibvl.in\/#website\",\"url\":\"https:\/\/blog.ibvl.in\/\",\"name\":\"Imperative Business Ventures Limited\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/blog.ibvl.in\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/blog.ibvl.in\/#\/schema\/person\/55b87b72a56b1bbe9295fe5ef7a20b02\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/blog.ibvl.in\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/4d20b2cd313e4417a599678e950e6fb7d4dfa178a72f2b769335a08aaa615aa9?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/4d20b2cd313e4417a599678e950e6fb7d4dfa178a72f2b769335a08aaa615aa9?s=96&d=mm&r=g\",\"caption\":\"admin\"},\"sameAs\":[\"https:\/\/blog.ibvl.in\"],\"url\":\"https:\/\/blog.ibvl.in\/index.php\/author\/admin_hcbs9yw6\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Hiding Bluetooth Trackers in Mail - Imperative Business Ventures Limited","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/blog.ibvl.in\/index.php\/2026\/04\/24\/hiding-bluetooth-trackers-in-mail\/","og_locale":"en_US","og_type":"article","og_title":"Hiding Bluetooth Trackers in Mail - Imperative Business Ventures Limited","og_description":"It was used to track a Dutch naval ship: Dutch journalist Just Vervaart, working for regional media network Omroep Gelderland, followed the directions posted on the Dutch government website and mailed a postcard with a hidden tracker inside. 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