{"id":672,"date":"2023-05-03T04:22:51","date_gmt":"2023-05-03T09:22:51","guid":{"rendered":"https:\/\/kentprotect.com\/?p=672"},"modified":"2023-05-03T04:50:26","modified_gmt":"2023-05-03T09:50:26","slug":"breach-report-t-mobiles-second-2023-breach-disclosure","status":"publish","type":"post","link":"https:\/\/kentprotect.com\/index.php\/2023\/05\/03\/breach-report-t-mobiles-second-2023-breach-disclosure\/","title":{"rendered":"Breach Report: T-Mobile&#8217;s second 2023 breach disclosure"},"content":{"rendered":"<div class='booster-block booster-read-block'><\/div>\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>One-sentence summary: <\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T-Mobile suffered another data breach in February 2023 that affected 836 customers and their sensitive data, including SSNs, DOBs, and T-Mobile PINs. <\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>Who was involved?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T-Mobile, 836 consumers, and a threat actor. <\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>What was the timeline?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Late February 2023: Breach starts<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">March 2023: T-Mobile detects data breach and quickly terminates it<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">April 28, 2023: T-Mobile begins consumer notification<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>What occurred?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">After disclosing a <a href=\"https:\/\/kentprotect.com\/index.php\/2023\/04\/23\/breach-report-t-mobile-data-breach-lasts-over-a-month-affects-37-million-potentially-implicates-third-parties-like-google-fi\/\" target=\"_blank\" rel=\"noreferrer noopener\">data breach in January<\/a>, T-Mobile underwent another breach in February 2023 that involved 836 customers and their data, including: &#8220;full name, contact information,<br>account number and associated phone numbers, T-Mobile account PIN, social security<br>number, government ID, date of birth, balance due, internal codes that T-Mobile uses to<br>service customer accounts (for example, rate plan and feature codes), and the number of<br>lines&#8221; (T-Mobile, 2023, p. 1). <\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>Estimated costs:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Associated incident response costs, breach notification costs, 24 months of identity theft services at Transunion<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>Involved laws: <\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">State: Maine: 10 M.R.S.A. \u00a7 1346<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Massachusetts: 201 CMR 17.00 and M.G.L.A. 93H \u00a7 1<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>Root cause: <\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">TBA or N\/A (see disclaimer)<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>Lessons learned: <\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">TBA or N\/A (see disclaimer)<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>Sources: <\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Marcus (Reuters), S. &amp; New York Times. (2020, April 1). <em>01tmobile-01-mediumSquareAt3X.jpg<\/em>. New York Times. https:\/\/static01.nyt.com\/images\/2020\/04\/01\/business\/01tmobile-01\/01tmobile-01-mediumSquareAt3X.jpg<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T-Mobile. (2023). Consumer Sample.pdf. In <em>Data Breach Notifications<\/em>. Office of the Maine Attorney General. Retrieved May 3, 2023, from https:\/\/apps.web.maine.gov\/online\/aeviewer\/ME\/40\/ea3bf342-eca7-4833-b128-7b09f6893ac4\/00363120-37a5-4248-aa8c-0be84d146071\/document.html<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Volynsky, G. (2023). Data Breach Notifications. In <em>Privacy, Identity Theft and Data Security Breaches<\/em>. Office of the Maine Attorney General. Retrieved May 3, 2023, from https:\/\/apps.web.maine.gov\/online\/aeviewer\/ME\/40\/ea3bf342-eca7-4833-b128-7b09f6893ac4.shtml<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"T-Mobile releases a second breach notice in 2023 that involves 800+ customers\" width=\"640\" height=\"480\" src=\"https:\/\/www.youtube.com\/embed\/fo0uy8a44QI?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><figcaption class=\"wp-element-caption\">YouTube\/Blog Notification Post<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>One-sentence summary: T-Mobile suffered another data breach in February 2023 that affected 836 customers and their sensitive data,<\/p>\n","protected":false},"author":4,"featured_media":673,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[573,480,3,12,285,13,76,63,274,75,61,11,10,74,14,8,27,48,565,288,67,15,572,81,574],"class_list":["post-672","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-the-breach-report","tag-bellevue","tag-breach","tag-breach-report","tag-breaches","tag-cellular","tag-ciso","tag-cloud","tag-computer-security","tag-computers","tag-cyber-security","tag-cybercrime","tag-cybersecurity","tag-dallas","tag-data-breach","tag-executive","tag-kent-protect","tag-kentprotect","tag-maine","tag-massachusetts","tag-mobile","tag-pwned","tag-summary","tag-t-mobile","tag-texas","tag-washington"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - 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