{"id":753,"date":"2017-12-29T05:56:18","date_gmt":"2017-12-28T18:56:18","guid":{"rendered":"http:\/\/bleufair.com\/?p=753"},"modified":"2022-04-10T09:12:16","modified_gmt":"2022-04-09T22:12:16","slug":"caller-id-spoofing-how-scammers-use-local-and-trusted-numbers-including-alphanumeric-names-to-trick-you","status":"publish","type":"post","link":"https:\/\/www.bleufair.com\/?p=753","title":{"rendered":"Caller ID Spoofing: How Scammers Use Local and Trusted Numbers, including alphanumeric names, to Trick You"},"content":{"rendered":"<p>a little information on caller id spoofing:<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.callersmart.com\/articles\/18\/caller-id-spoofing-how-scammers-use-local-and-trusted-numbers-to-trick-you\" target=\"_blank\" rel=\"noopener\">https:\/\/www.callersmart.com\/articles\/18\/caller-id-spoofing-how-scammers-use-local-and-trusted-numbers-to-trick-you<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>spam sms, no number, just name:<\/p>\n<p>They&#8217;ve set the originator field to alphanumeric. Among other things, this means it wasn&#8217;t sent directly from a cellular device (from where the sender number can&#8217;t be modified).<\/p>\n<p>The originator field is 10 bytes maximum for content. When set to alphanumeric, the 7-bit SMS default alphabet is used, limiting the address to 11 characters (10 * 8 \/ 7 as an integer).<\/p>\n<p>While an Australian mobile number in\u00a0<em>national<\/em>\u00a0format (like 0412345678) will fit as alphanumeric, it won&#8217;t when in\u00a0<em>international<\/em>\u00a0format (like +61412345678).<\/p>\n<p>Left as numeric, 20 BCD digits will fit into 10 bytes.<\/p>\n<p>It makes sense for a device to not block specific alphanumeric addresses, because there&#8217;s no requirement for them to be unique.<\/p>\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/SMS_spoofing\" target=\"_blank\" rel=\"noopener\">https:\/\/en.wikipedia.org\/wiki\/SMS_spoofing<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>a little information on caller id spoofing: &nbsp; https:\/\/www.callersmart.com\/articles\/18\/caller-id-spoofing-how-scammers-use-local-and-trusted-numbers-to-trick-you &nbsp; spam sms, no number, just name: They&#8217;ve set the originator field to alphanumeric. Among other things, this means it wasn&#8217;t sent directly from a cellular device (from where the sender number can&#8217;t be modified). The originator field is 10 bytes maximum for content. When set [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14,1],"tags":[],"class_list":["post-753","post","type-post","status-publish","format-standard","hentry","category-finance","category-tech"],"_links":{"self":[{"href":"https:\/\/www.bleufair.com\/index.php?rest_route=\/wp\/v2\/posts\/753","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bleufair.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bleufair.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bleufair.com\/index.php?rest_route=\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bleufair.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=753"}],"version-history":[{"count":1,"href":"https:\/\/www.bleufair.com\/index.php?rest_route=\/wp\/v2\/posts\/753\/revisions"}],"predecessor-version":[{"id":754,"href":"https:\/\/www.bleufair.com\/index.php?rest_route=\/wp\/v2\/posts\/753\/revisions\/754"}],"wp:attachment":[{"href":"https:\/\/www.bleufair.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=753"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bleufair.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=753"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bleufair.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=753"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}