{"id":50665,"date":"2023-02-20T17:44:00","date_gmt":"2023-02-20T17:44:00","guid":{"rendered":"http:\/\/263980fe-dfee-45d4-b64e-b00e9470fe4b"},"modified":"2023-02-20T17:44:00","modified_gmt":"2023-02-20T17:44:00","slug":"testing-rfid-blocking-cards-do-they-work-do-you-need-one","status":"publish","type":"post","link":"https:\/\/www.threatshub.org\/blog\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\/","title":{"rendered":"Testing RFID blocking cards: Do they work? Do you need one?"},"content":{"rendered":"<figure class=\"c-shortcodeImage u-clearfix c-shortcodeImage-large c-shortcodeImage-hasCaption\">\n<div class=\"c-shortcodeImage_imageContainer\">\n<div class=\"c-shortcodeImage_image\"><picture class=\"c-cmsImage c-cmsImage_loaded\"><source media=\"(max-width: 767px)\" srcset=\"https:\/\/www.zdnet.com\/a\/img\/resize\/1cc8380184ee4e24eff492aa4b6be2e8d2f72450\/2023\/02\/20\/6003ef6c-69b4-49a3-9ae8-0fbf4aca1f16\/img-2128.jpg?auto=webp&amp;width=768\" alt=\"Flipper Zero worn on wrist with readout saying Debit Mastercard\"><source media=\"(max-width: 1023px)\" srcset=\"https:\/\/www.zdnet.com\/a\/img\/resize\/1f6cc1641db217f81c38f5f99fd5884d0bf5a531\/2023\/02\/20\/6003ef6c-69b4-49a3-9ae8-0fbf4aca1f16\/img-2128.jpg?auto=webp&amp;width=1024\" alt=\"Flipper Zero worn on wrist with readout saying Debit Mastercard\"><source media=\"(max-width: 1440px)\" srcset=\"https:\/\/www.zdnet.com\/a\/img\/resize\/07142f745e5c1475343294c97a564ceb7dfa0618\/2023\/02\/20\/6003ef6c-69b4-49a3-9ae8-0fbf4aca1f16\/img-2128.jpg?auto=webp&amp;width=1280\" alt=\"Flipper Zero worn on wrist with readout saying Debit Mastercard\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.zdnet.com\/a\/img\/resize\/07142f745e5c1475343294c97a564ceb7dfa0618\/2023\/02\/20\/6003ef6c-69b4-49a3-9ae8-0fbf4aca1f16\/img-2128.jpg?auto=webp&amp;width=1280\" alt=\"Flipper Zero worn on wrist with readout saying Debit Mastercard\" width=\"1280\" height=\"720\" fetchpriority=\"low\"><\/picture><\/div>\n<\/p><\/div>\n<p> <!----><figcaption>\n<div class=\"c-shortcodeImage_caption g-inner-spacing-right-small g-color-black\" readability=\"6\">\n<div class=\"c-ShortcodeContent\" readability=\"32\">\n<p>The Flipper Zero reading the Apple Pay NFC signal from my Apple Watch Ultra.<\/p>\n<\/div>\n<\/div>\n<p> <span class=\"c-shortcodeImage_credit g-outer-spacing-top-xsmall u-block\">Adrian Kingsley-Hughes\/ZDNET<\/span><\/figcaption><\/figure>\n<p>RFID is everywhere, even packed into your credit and debit cards, allowing the information to be read in a &#8220;contactless&#8221; fashion.<\/p>\n<p>Concerns that cards could be read covertly have generated a massive industry of security devices designed to block or somehow interfere with this contactless reading of the cards.&nbsp;<\/p>\n<p>You can find <span class=\"c-commerceLink\"><a href=\"https:\/\/www.amazon.com\/VULKIT-Wallet-Credit-Leather-Blocking\/dp\/B0B5D6QWD3?tag=zdnet-buy-button-20\" rel=\"noopener noreferrer nofollow\" target=\"_blank\"><span>wallets<\/span><!----><\/a><\/span>, <span class=\"c-commerceLink\"><a href=\"https:\/\/www.amazon.com\/VULKIT-Wallet-Credit-Leather-Blocking\/dp\/B0B5D6YC5Q?tag=zdnet-buy-button-20\" rel=\"noopener noreferrer nofollow\" target=\"_blank\"><span>purses<\/span><!----><\/a><\/span>, and <span class=\"c-commerceLink\"><a href=\"https:\/\/www.amazon.com\/VULKIT-Blocking-Protectors-Contactless-Protection\/dp\/B0B7L7WYCS?tag=zdnet-buy-button-20\" rel=\"noopener noreferrer nofollow\" target=\"_blank\"><span>card protectors<\/span><!----><\/a><\/span> designed to prevent your cards from being read stealthily.<\/p>\n<p>But do these security devices work?<\/p>\n<p>Well, I have a <span class=\"c-commerceLink\"><a href=\"https:\/\/www.amazon.com\/Flipper-FLP-Z-W-R04-Zero\/dp\/B0BBSRM37R\/?tag=zdnet-buy-button-20\" rel=\"noopener noreferrer nofollow\" target=\"_blank\"><span>Flipper Zero<\/span><!----><\/a><\/span>, and this amazing device can read NFC.<\/p>\n<p><strong>FAQ:<\/strong> <a href=\"https:\/\/www.zdnet.com\/home-and-office\/flipper-zero-can-you-really-hack-wi-fi-networks-and-other-questions-answered\/\" rel=\"follow\"><strong>Flipper Zero: &#8216;Can you really hack Wi-Fi networks?&#8217; and other questions answered<\/strong><\/a><\/p>\n<p>So, let&#8217;s try it out. <\/p>\n<p>What I&#8217;m using it to test out here are&nbsp;<span class=\"c-commerceLink\"><a href=\"https:\/\/www.amazon.com\/VULKIT-Blocking-Protectors-Contactless-Protection\/dp\/B0B7L7WYCS?tag=zdnet-buy-button-20\" rel=\"noopener noreferrer nofollow\" target=\"_blank\"><span>Vulkit RFID blocking cards<\/span><!----><\/a><\/span>, which are designed to protect credit cards, debit cards, and ID cards using 13.56MHz-frequency RFID from unauthorized scanning.<\/p>\n<p>The blocking card looks like any other credit or debit card, and doesn&#8217;t need any charging or anything. All you need to do is pop it into your wallet or purse, and it&#8217;s supposed to block RFID reading.<\/p>\n<figure class=\"c-shortcodeImage u-clearfix c-shortcodeImage-large c-shortcodeImage-hasCaption\">\n<div class=\"c-shortcodeImage_imageContainer\">\n<div class=\"c-shortcodeImage_image\"><picture class=\"c-cmsImage\"><!----> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.zdnet.com\/article\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\/\" alt=\"A black card with a logo of a lock in a shield and the words Your Personal Information\" width=\"1280\" height=\"720\" fetchpriority=\"low\"><\/picture><\/div>\n<\/p><\/div>\n<p> <!----><figcaption>\n<div class=\"c-shortcodeImage_caption g-inner-spacing-right-small g-color-black\" readability=\"7\">\n<div class=\"c-ShortcodeContent\" readability=\"34\">\n<p>The Vulkit RFID blocking card looks like any other credit, debit, or ID card.<\/p>\n<\/div>\n<\/div>\n<p> <span class=\"c-shortcodeImage_credit g-outer-spacing-top-xsmall u-block\">Adrian Kingsley-Hughes\/ZDNET<\/span><\/figcaption><\/figure>\n<p>But does it work?<\/p>\n<p>First I fired up the Flipper Zero, and tested an unprotected debit card. It read the data (see the picture below).<\/p>\n<p><strong>Also:<\/strong> <a href=\"https:\/\/www.zdnet.com\/article\/how-to-unlock-the-flipper-zero-true-power\/\" rel=\"follow\"><strong>How to unlock the Flipper Zero&#8217;s true power<\/strong><\/a><\/p>\n<p>Note that while the Flipper Zero can read NFC cards, it cannot decode the card&#8217;s encrypted security code, also known as CSC, CVV, CVC, CAV, and a bunch of other three-letter abbreviations. &nbsp;<\/p>\n<figure class=\"c-shortcodeImage u-clearfix c-shortcodeImage-large c-shortcodeImage-hasCaption\">\n<div class=\"c-shortcodeImage_imageContainer\">\n<div class=\"c-shortcodeImage_image\"><picture class=\"c-cmsImage\"><!----> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.zdnet.com\/article\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\/\" alt=\"Flipper Zero readout giving type of credit card and currency\" width=\"1280\" height=\"720\" fetchpriority=\"low\"><\/picture><\/div>\n<\/p><\/div>\n<p> <!----><figcaption>\n<div class=\"c-shortcodeImage_caption g-inner-spacing-right-small g-color-black\" readability=\"6\">\n<div class=\"c-ShortcodeContent\" readability=\"32\">\n<p>The Flipper Zero can read the unencrypted data on a debit card.<\/p>\n<\/div>\n<\/div>\n<p> <span class=\"c-shortcodeImage_credit g-outer-spacing-top-xsmall u-block\">Adrian Kingsley-Hughes\/ZDNET<\/span><\/figcaption><\/figure>\n<p>OK, now let&#8217;s add the blocking card to the equation.<\/p>\n<figure class=\"c-shortcodeImage u-clearfix c-shortcodeImage-large c-shortcodeImage-hasCaption\">\n<div class=\"c-shortcodeImage_imageContainer\">\n<div class=\"c-shortcodeImage_image\"><picture class=\"c-cmsImage\"><!----> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.zdnet.com\/article\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\/\" alt=\"Flipper Zero readout saying &quot;Apply Card to Flipper's Back&quot;\" width=\"1280\" height=\"720\" fetchpriority=\"low\"><\/picture><\/div>\n<\/p><\/div>\n<p> <!----><figcaption>\n<div class=\"c-shortcodeImage_caption g-inner-spacing-right-small g-color-black\" readability=\"6\">\n<div class=\"c-ShortcodeContent\" readability=\"32\">\n<p>The Vulkit RFID blocking card does indeed block the RFID signal.<\/p>\n<\/div>\n<\/div>\n<p> <span class=\"c-shortcodeImage_credit g-outer-spacing-top-xsmall u-block\">Adrian Kingsley-Hughes\/ZDNET<\/span><\/figcaption><\/figure>\n<p>Yup, it blocked the reader. The Flipper couldn&#8217;t read anything from it. &nbsp;<\/p>\n<p>What if the blocking card is behind the target card &#8212; meaning it isn&#8217;t a physical barrier between the credit card and the reader?<\/p>\n<figure class=\"c-shortcodeImage u-clearfix c-shortcodeImage-large c-shortcodeImage-hasCaption\">\n<div class=\"c-shortcodeImage_imageContainer\">\n<div class=\"c-shortcodeImage_image\"><picture class=\"c-cmsImage\"><!----> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.zdnet.com\/article\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\/\" alt=\"Flipper Zero with blocked readout, on top of credit card on top of Vulkit card.\" width=\"1280\" height=\"720\" fetchpriority=\"low\"><\/picture><\/div>\n<\/p><\/div>\n<p> <!----><figcaption>\n<div class=\"c-shortcodeImage_caption g-inner-spacing-right-small g-color-black\" readability=\"6\">\n<div class=\"c-ShortcodeContent\" readability=\"32\">\n<p>The Vulkit RFID blocking card works even if it is behind the target card.<\/p>\n<\/div>\n<\/div>\n<p> <span class=\"c-shortcodeImage_credit g-outer-spacing-top-xsmall u-block\">Adrian Kingsley-Hughes\/ZDNET<\/span><\/figcaption><\/figure>\n<p>Yup, it even blocked that.&nbsp;<\/p>\n<p>So, does Vulkit&#8217;s blocking card work?&nbsp;<\/p>\n<p>Yes. It&#8217;s very effective.<\/p>\n<p>Do you need one?<\/p>\n<p>It depends.&nbsp;<\/p>\n<p>The <span class=\"c-commerceLink\"><a href=\"https:\/\/www.amazon.com\/VULKIT-Blocking-Protectors-Contactless-Protection\/dp\/B0B7L7WYCS?tag=zdnet-buy-button-20\" rel=\"noopener noreferrer nofollow\" target=\"_blank\"><span>Vulkit RFID blocking card<\/span><!----><\/a><\/span>&nbsp;certainly adds a layer of security between you and someone wanting to access your data. For example, I&#8217;ve seen hotel safes that can be locked and unlocked using credit or debit cards, and a Flipper Zero could be used to clone the card and unlock the safe.&nbsp;<\/p>\n<p>So, while I think the chance of someone reading your card and using it for bad things is small, these cards cost about $4 each, which means they&#8217;re cheap and easy-to-use insurance against such attacks.&nbsp;<\/p>\n<p>READ MORE <a href=\"https:\/\/www.zdnet.com\/article\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\/#ftag=RSSbaffb68\">HERE<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Credit and debit cards contain RFID contactless technology. Can an RFID blocking card keep someone from &#8220;reading&#8221; your card without your knowledge? We put it to the test.<br \/>\nREAD MORE HERE&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_layout":"default_layout","footnotes":""},"categories":[62],"tags":[],"class_list":["post-50665","post","type-post","status-publish","format-standard","hentry","category-zdnet-security"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Testing RFID blocking cards: Do they work? Do you need one? 2026 | ThreatsHub Cybersecurity News<\/title>\n<meta name=\"description\" content=\"ThreatsHub Cybersecurity News | ThreatsHub.org | Cloud Security &amp; Cyber Threats Analysis Hub. 100% Free OSINT Threat Intelligent and Cybersecurity News.\" \/>\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.threatshub.org\/blog\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Testing RFID blocking cards: Do they work? Do you need one? 2026 | ThreatsHub Cybersecurity News\" \/>\n<meta property=\"og:description\" content=\"ThreatsHub Cybersecurity News | ThreatsHub.org | Cloud Security &amp; Cyber Threats Analysis Hub. 100% Free OSINT Threat Intelligent and Cybersecurity News.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.threatshub.org\/blog\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\/\" \/>\n<meta property=\"og:site_name\" content=\"ThreatsHub Cybersecurity News\" \/>\n<meta property=\"article:published_time\" content=\"2023-02-20T17:44:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.zdnet.com\/a\/img\/resize\/07142f745e5c1475343294c97a564ceb7dfa0618\/2023\/02\/20\/6003ef6c-69b4-49a3-9ae8-0fbf4aca1f16\/img-2128.jpg?auto=webp&amp;width=1280\" \/>\n<meta name=\"author\" content=\"TH Author\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@threatshub\" \/>\n<meta name=\"twitter:site\" content=\"@threatshub\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"TH Author\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\\\/\"},\"author\":{\"name\":\"TH Author\",\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/#\\\/schema\\\/person\\\/12e0a8671ff89a863584f193e7062476\"},\"headline\":\"Testing RFID blocking cards: Do they work? Do you need one?\",\"datePublished\":\"2023-02-20T17:44:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\\\/\"},\"wordCount\":508,\"publisher\":{\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.zdnet.com\\\/a\\\/img\\\/resize\\\/07142f745e5c1475343294c97a564ceb7dfa0618\\\/2023\\\/02\\\/20\\\/6003ef6c-69b4-49a3-9ae8-0fbf4aca1f16\\\/img-2128.jpg?auto=webp&amp;width=1280\",\"articleSection\":[\"ZDNet | Security\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\\\/\",\"url\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\\\/\",\"name\":\"Testing RFID blocking cards: Do they work? Do you need one? 2026 | ThreatsHub Cybersecurity News\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.zdnet.com\\\/a\\\/img\\\/resize\\\/07142f745e5c1475343294c97a564ceb7dfa0618\\\/2023\\\/02\\\/20\\\/6003ef6c-69b4-49a3-9ae8-0fbf4aca1f16\\\/img-2128.jpg?auto=webp&amp;width=1280\",\"datePublished\":\"2023-02-20T17:44:00+00:00\",\"description\":\"ThreatsHub Cybersecurity News | ThreatsHub.org | Cloud Security & Cyber Threats Analysis Hub. 100% Free OSINT Threat Intelligent and Cybersecurity News.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.zdnet.com\\\/a\\\/img\\\/resize\\\/07142f745e5c1475343294c97a564ceb7dfa0618\\\/2023\\\/02\\\/20\\\/6003ef6c-69b4-49a3-9ae8-0fbf4aca1f16\\\/img-2128.jpg?auto=webp&amp;width=1280\",\"contentUrl\":\"https:\\\/\\\/www.zdnet.com\\\/a\\\/img\\\/resize\\\/07142f745e5c1475343294c97a564ceb7dfa0618\\\/2023\\\/02\\\/20\\\/6003ef6c-69b4-49a3-9ae8-0fbf4aca1f16\\\/img-2128.jpg?auto=webp&amp;width=1280\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Testing RFID blocking cards: Do they work? Do you need one?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/\",\"name\":\"ThreatsHub Cybersecurity News\",\"description\":\"%%focuskw%% Threat Intel \u2013 Threat Intel Services \u2013 CyberIntelligence \u2013 Cyber Threat Intelligence - Threat Intelligence Feeds - Threat Intelligence Reports - CyberSecurity Report \u2013 Cyber Security PDF \u2013 Cybersecurity Trends - Cloud Sandbox \u2013- Threat IntelligencePortal \u2013 Incident Response \u2013 Threat Hunting \u2013 IOC - Yara - Security Operations Center \u2013 SecurityOperation Center \u2013 Security SOC \u2013 SOC Services - Advanced Threat - Threat Detection - TargetedAttack \u2013 APT \u2013 Anti-APT \u2013 Advanced Protection \u2013 Cyber Security Services \u2013 Cybersecurity Services -Threat Intelligence Platform\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/#organization\"},\"alternateName\":\"Threatshub.org\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/#organization\",\"name\":\"ThreatsHub.org\",\"alternateName\":\"Threatshub.org\",\"url\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/05\\\/Threatshub_Favicon1.jpg\",\"contentUrl\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/wp-content\\\/uploads\\\/2025\\\/05\\\/Threatshub_Favicon1.jpg\",\"width\":432,\"height\":435,\"caption\":\"ThreatsHub.org\"},\"image\":{\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/x.com\\\/threatshub\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.threatshub.org\\\/blog\\\/#\\\/schema\\\/person\\\/12e0a8671ff89a863584f193e7062476\",\"name\":\"TH Author\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/066276f086d5155df79c850206a779ad368418a844da0182ce43f9cd5b506c3d?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/066276f086d5155df79c850206a779ad368418a844da0182ce43f9cd5b506c3d?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/066276f086d5155df79c850206a779ad368418a844da0182ce43f9cd5b506c3d?s=96&d=mm&r=g\",\"caption\":\"TH Author\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Testing RFID blocking cards: Do they work? Do you need one? 2026 | ThreatsHub Cybersecurity News","description":"ThreatsHub Cybersecurity News | ThreatsHub.org | Cloud Security & Cyber Threats Analysis Hub. 100% Free OSINT Threat Intelligent and Cybersecurity News.","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:\/\/www.threatshub.org\/blog\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\/","og_locale":"en_US","og_type":"article","og_title":"Testing RFID blocking cards: Do they work? Do you need one? 2026 | ThreatsHub Cybersecurity News","og_description":"ThreatsHub Cybersecurity News | ThreatsHub.org | Cloud Security & Cyber Threats Analysis Hub. 100% Free OSINT Threat Intelligent and Cybersecurity News.","og_url":"https:\/\/www.threatshub.org\/blog\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\/","og_site_name":"ThreatsHub Cybersecurity News","article_published_time":"2023-02-20T17:44:00+00:00","og_image":[{"url":"https:\/\/www.zdnet.com\/a\/img\/resize\/07142f745e5c1475343294c97a564ceb7dfa0618\/2023\/02\/20\/6003ef6c-69b4-49a3-9ae8-0fbf4aca1f16\/img-2128.jpg?auto=webp&amp;width=1280","type":"","width":"","height":""}],"author":"TH Author","twitter_card":"summary_large_image","twitter_creator":"@threatshub","twitter_site":"@threatshub","twitter_misc":{"Written by":"TH Author","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.threatshub.org\/blog\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\/#article","isPartOf":{"@id":"https:\/\/www.threatshub.org\/blog\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\/"},"author":{"name":"TH Author","@id":"https:\/\/www.threatshub.org\/blog\/#\/schema\/person\/12e0a8671ff89a863584f193e7062476"},"headline":"Testing RFID blocking cards: Do they work? Do you need one?","datePublished":"2023-02-20T17:44:00+00:00","mainEntityOfPage":{"@id":"https:\/\/www.threatshub.org\/blog\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\/"},"wordCount":508,"publisher":{"@id":"https:\/\/www.threatshub.org\/blog\/#organization"},"image":{"@id":"https:\/\/www.threatshub.org\/blog\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\/#primaryimage"},"thumbnailUrl":"https:\/\/www.zdnet.com\/a\/img\/resize\/07142f745e5c1475343294c97a564ceb7dfa0618\/2023\/02\/20\/6003ef6c-69b4-49a3-9ae8-0fbf4aca1f16\/img-2128.jpg?auto=webp&amp;width=1280","articleSection":["ZDNet | Security"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.threatshub.org\/blog\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\/","url":"https:\/\/www.threatshub.org\/blog\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\/","name":"Testing RFID blocking cards: Do they work? Do you need one? 2026 | ThreatsHub Cybersecurity News","isPartOf":{"@id":"https:\/\/www.threatshub.org\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.threatshub.org\/blog\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\/#primaryimage"},"image":{"@id":"https:\/\/www.threatshub.org\/blog\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\/#primaryimage"},"thumbnailUrl":"https:\/\/www.zdnet.com\/a\/img\/resize\/07142f745e5c1475343294c97a564ceb7dfa0618\/2023\/02\/20\/6003ef6c-69b4-49a3-9ae8-0fbf4aca1f16\/img-2128.jpg?auto=webp&amp;width=1280","datePublished":"2023-02-20T17:44:00+00:00","description":"ThreatsHub Cybersecurity News | ThreatsHub.org | Cloud Security & Cyber Threats Analysis Hub. 100% Free OSINT Threat Intelligent and Cybersecurity News.","breadcrumb":{"@id":"https:\/\/www.threatshub.org\/blog\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.threatshub.org\/blog\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.threatshub.org\/blog\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\/#primaryimage","url":"https:\/\/www.zdnet.com\/a\/img\/resize\/07142f745e5c1475343294c97a564ceb7dfa0618\/2023\/02\/20\/6003ef6c-69b4-49a3-9ae8-0fbf4aca1f16\/img-2128.jpg?auto=webp&amp;width=1280","contentUrl":"https:\/\/www.zdnet.com\/a\/img\/resize\/07142f745e5c1475343294c97a564ceb7dfa0618\/2023\/02\/20\/6003ef6c-69b4-49a3-9ae8-0fbf4aca1f16\/img-2128.jpg?auto=webp&amp;width=1280"},{"@type":"BreadcrumbList","@id":"https:\/\/www.threatshub.org\/blog\/testing-rfid-blocking-cards-do-they-work-do-you-need-one\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.threatshub.org\/blog\/"},{"@type":"ListItem","position":2,"name":"Testing RFID blocking cards: Do they work? Do you need one?"}]},{"@type":"WebSite","@id":"https:\/\/www.threatshub.org\/blog\/#website","url":"https:\/\/www.threatshub.org\/blog\/","name":"ThreatsHub Cybersecurity News","description":"%%focuskw%% Threat Intel \u2013 Threat Intel Services \u2013 CyberIntelligence \u2013 Cyber Threat Intelligence - Threat Intelligence Feeds - Threat Intelligence Reports - CyberSecurity Report \u2013 Cyber Security PDF \u2013 Cybersecurity Trends - Cloud Sandbox \u2013- Threat IntelligencePortal \u2013 Incident Response \u2013 Threat Hunting \u2013 IOC - Yara - Security Operations Center \u2013 SecurityOperation Center \u2013 Security SOC \u2013 SOC Services - Advanced Threat - Threat Detection - TargetedAttack \u2013 APT \u2013 Anti-APT \u2013 Advanced Protection \u2013 Cyber Security Services \u2013 Cybersecurity Services -Threat Intelligence Platform","publisher":{"@id":"https:\/\/www.threatshub.org\/blog\/#organization"},"alternateName":"Threatshub.org","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.threatshub.org\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.threatshub.org\/blog\/#organization","name":"ThreatsHub.org","alternateName":"Threatshub.org","url":"https:\/\/www.threatshub.org\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.threatshub.org\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.threatshub.org\/blog\/coredata\/uploads\/2025\/05\/Threatshub_Favicon1.jpg","contentUrl":"https:\/\/www.threatshub.org\/blog\/coredata\/uploads\/2025\/05\/Threatshub_Favicon1.jpg","width":432,"height":435,"caption":"ThreatsHub.org"},"image":{"@id":"https:\/\/www.threatshub.org\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/x.com\/threatshub"]},{"@type":"Person","@id":"https:\/\/www.threatshub.org\/blog\/#\/schema\/person\/12e0a8671ff89a863584f193e7062476","name":"TH Author","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/066276f086d5155df79c850206a779ad368418a844da0182ce43f9cd5b506c3d?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/066276f086d5155df79c850206a779ad368418a844da0182ce43f9cd5b506c3d?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/066276f086d5155df79c850206a779ad368418a844da0182ce43f9cd5b506c3d?s=96&d=mm&r=g","caption":"TH Author"}}]}},"_links":{"self":[{"href":"https:\/\/www.threatshub.org\/blog\/wp-json\/wp\/v2\/posts\/50665","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.threatshub.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.threatshub.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.threatshub.org\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.threatshub.org\/blog\/wp-json\/wp\/v2\/comments?post=50665"}],"version-history":[{"count":0,"href":"https:\/\/www.threatshub.org\/blog\/wp-json\/wp\/v2\/posts\/50665\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.threatshub.org\/blog\/wp-json\/wp\/v2\/media?parent=50665"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.threatshub.org\/blog\/wp-json\/wp\/v2\/categories?post=50665"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.threatshub.org\/blog\/wp-json\/wp\/v2\/tags?post=50665"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}