{"id":34797,"date":"2025-01-13T14:30:15","date_gmt":"2025-01-13T11:30:15","guid":{"rendered":"https:\/\/coinengineer.net\/blog\/?p=34797"},"modified":"2025-01-13T13:24:59","modified_gmt":"2025-01-13T10:24:59","slug":"leaked-opensea-user-emails-now-publicly-available","status":"publish","type":"post","link":"https:\/\/coinengineer.net\/blog\/leaked-opensea-user-emails-now-publicly-available\/","title":{"rendered":"Leaked OpenSea User Emails Now Publicly Available"},"content":{"rendered":"<p>Millions of user <strong>emails<\/strong> were leaked online after a data breach involving <a href=\"https:\/\/coinengineer.net\/blog\/opensea-made-an-announcement-implying-ocean-token\/\"><strong>OpenSea\u2019s<\/strong> <\/a>automation provider in mid-2022.<\/p>\n<p>Over 7 million <strong>email<\/strong> addresses compromised during the breach have recently been fully exposed online. This has raised concerns, with a <strong>SlowMist<\/strong> executive warning that scammers now have access to a new treasure trove of information.<\/p>\n<blockquote><p><strong>SlowMist Chief Information Security Officer \u201c23pds\u201d:<\/strong> \u201cDo you remember the 2022 attack on OpenSea\u2019s email service provider that led to the leak of email addresses? These leaked emails are now fully public.\u201d<\/p><\/blockquote>\n<p><strong>23pds<\/strong> explained that the attack occurred in June 2022 but noted that the data had not been publicly accessible until recently. They highlighted that this makes it possible for \u201call groups of attackers to use this information for phishing and scamming.\u201d<\/p>\n<blockquote><p>\u201cThis information was not publicly available before. However, now all the leaked data is entirely public and accessible to anyone who wants it.\u201d<\/p><\/blockquote>\n<p><strong>23pds<\/strong> further noted, \u201cThe amount of leaked data has reached 7 million. This includes email information of many prominent figures, companies, and key opinion leaders (KOLs) in the industry, as well as a significant number of overseas cryptocurrency professionals.\u201d<\/p>\n<p><a href=\"https:\/\/x.com\/im23pds\/status\/1878608412457767133\"><strong>Related tweet:<\/strong><\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-34798 aligncenter\" src=\"https:\/\/coinengineer.net\/blog\/wp-content\/uploads\/2025\/01\/im23dps.png\" alt=\"im23pds\" width=\"473\" height=\"781\" srcset=\"https:\/\/coinengineer.net\/blog\/wp-content\/uploads\/2025\/01\/im23dps.png 473w, https:\/\/coinengineer.net\/blog\/wp-content\/uploads\/2025\/01\/im23dps-182x300.png 182w\" sizes=\"auto, (max-width: 473px) 100vw, 473px\" \/><\/p>\n<p>One of the world\u2019s largest <strong>NFT (non-fungible token)<\/strong> marketplaces, OpenSea, warned its customers of a data leak on June 29, 2022, after discovering that an employee of the email automation platform <strong>Customer.io<\/strong> had leaked <strong>OpenSea<\/strong> customer email lists to a third party.<\/p>\n<p>\u201cIf you have shared your email with OpenSea in the past, you should assume you were impacted. We are working with Customer.io in their ongoing investigation, and we have reported this incident to law enforcement,\u201d it said.<\/p>\n<h2>Preventing Phishing Scams<\/h2>\n<p><strong>23pds<\/strong> advised those who believe their email was leaked to create strong and unique passwords and use a password manager to store them securely.<\/p>\n<p>They also recommended using<strong> two-factor authentication (2FA)<\/strong> wherever possible and preferred an authenticator app over SMS-based 2FA. Keeping device software up to date was also emphasized as an important security measure.<\/p>\n<p>According to <strong>CertiK<\/strong>, phishing scams were one of the most significant security threats of 2024, with attackers making off with over $1 billion of digital assets from 296 incidents during the year.<\/p>\n<p>\u201cPhishing was the most costly attack vector last year,\u201d said <strong>CertiK<\/strong>. \u201cOur figures are conservative; the actual number is higher when considering unreported incidents and other types of phishing scams like pig butchering.\u201d<\/p>\n<hr \/>\n<div>\n<div>\n<p><em>Also, in the comment section, you can freely share your comments and opinions about the topic. Additionally, don\u2019t forget to follow us on\u00a0<span style=\"color: #ffcc00;\"><a style=\"color: #ffcc00;\" href=\"https:\/\/t.me\/coinengineernews\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><strong>Telegram<\/strong><\/a>,\u00a0<a style=\"color: #ffcc00;\" href=\"https:\/\/www.youtube.com\/@CoinEngineer\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><strong>YouTube<\/strong><\/a><\/span>\u00a0and\u00a0<span style=\"color: #ffcc00;\"><a style=\"color: #ffcc00;\" href=\"https:\/\/twitter.com\/coinengineers\" target=\"_blank\" rel=\"nofollow noopener\"><strong>Twitter<\/strong><\/a>\u00a0<\/span>for the latest\u00a0<span style=\"color: #ffcc00;\"><strong><a style=\"color: #ffcc00;\" title=\"News\" href=\"https:\/\/coinengineer.net\/blog\/news\/\" data-internallinksmanager029f6b8e52c=\"7\">news<\/a>\u00a0<\/strong><\/span>and updates.<\/em><\/p>\n<\/div>\n<\/div>\n<div class=\"kk-star-ratings kksr-auto kksr-align-center kksr-valign-bottom\" data-payload=\"{&quot;align&quot;:&quot;center&quot;,&quot;id&quot;:&quot;10919&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Rate this post&quot;,&quot;legend&quot;:&quot;0\\\/5 - (0 votes)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;Binance Lists Popular Altcoin!&quot;,&quot;width&quot;:&quot;0&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}\">\n<div class=\"kksr-stars\">\n<div class=\"kksr-stars-inactive\">\n<div class=\"kksr-star\" data-star=\"1\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Millions of user emails were leaked online after a data breach involving OpenSea\u2019s automation provider in mid-2022. Over 7 million email addresses compromised during the breach have recently been fully exposed online. This has raised concerns, with a SlowMist executive warning that scammers now have access to a new treasure trove of information. SlowMist Chief<\/p>\n","protected":false},"author":29,"featured_media":34800,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,10,2],"tags":[6061,10986,10987,7531,1093,4094],"class_list":["post-34797","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-crypto-news","category-economy-news","category-news","tag-23pds","tag-email","tag-leak","tag-nft-non-fungible-token","tag-opensea","tag-slowmist"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Leaked OpenSea User Emails Now Publicly Available - Coin Engineer<\/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:\/\/coinengineer.net\/blog\/leaked-opensea-user-emails-now-publicly-available\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Leaked OpenSea User Emails Now Publicly Available - Coin Engineer\" \/>\n<meta property=\"og:description\" content=\"Millions of user emails were leaked online after a data breach involving OpenSea\u2019s automation provider in mid-2022. Over 7 million email addresses compromised during the breach have recently been fully exposed online. This has raised concerns, with a SlowMist executive warning that scammers now have access to a new treasure trove of information. SlowMist Chief\" \/>\n<meta property=\"og:url\" content=\"https:\/\/coinengineer.net\/blog\/leaked-opensea-user-emails-now-publicly-available\/\" \/>\n<meta property=\"og:site_name\" content=\"Coin Engineer\" \/>\n<meta property=\"article:published_time\" content=\"2025-01-13T11:30:15+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-01-13T10:24:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/coinengineer.net\/blog\/wp-content\/uploads\/2025\/01\/opensea_ce.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Emre Yumlu\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Emre Yumlu\" \/>\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\":\"WebPage\",\"@id\":\"https:\/\/coinengineer.net\/blog\/leaked-opensea-user-emails-now-publicly-available\/\",\"url\":\"https:\/\/coinengineer.net\/blog\/leaked-opensea-user-emails-now-publicly-available\/\",\"name\":\"Leaked OpenSea User Emails Now Publicly Available - Coin Engineer\",\"isPartOf\":{\"@id\":\"https:\/\/coinengineer.net\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/coinengineer.net\/blog\/leaked-opensea-user-emails-now-publicly-available\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/coinengineer.net\/blog\/leaked-opensea-user-emails-now-publicly-available\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/coinengineer.net\/blog\/wp-content\/uploads\/2025\/01\/opensea_ce.png\",\"datePublished\":\"2025-01-13T11:30:15+00:00\",\"dateModified\":\"2025-01-13T10:24:59+00:00\",\"author\":{\"@id\":\"https:\/\/coinengineer.net\/blog\/#\/schema\/person\/f99e7d0d5039cb3b36bd759a12c1216c\"},\"breadcrumb\":{\"@id\":\"https:\/\/coinengineer.net\/blog\/leaked-opensea-user-emails-now-publicly-available\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/coinengineer.net\/blog\/leaked-opensea-user-emails-now-publicly-available\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/coinengineer.net\/blog\/leaked-opensea-user-emails-now-publicly-available\/#primaryimage\",\"url\":\"https:\/\/coinengineer.net\/blog\/wp-content\/uploads\/2025\/01\/opensea_ce.png\",\"contentUrl\":\"https:\/\/coinengineer.net\/blog\/wp-content\/uploads\/2025\/01\/opensea_ce.png\",\"width\":1920,\"height\":1080,\"caption\":\"opensea\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/coinengineer.net\/blog\/leaked-opensea-user-emails-now-publicly-available\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/coinengineer.net\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Leaked OpenSea User Emails Now Publicly Available\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/coinengineer.net\/blog\/#website\",\"url\":\"https:\/\/coinengineer.net\/blog\/\",\"name\":\"Coin Engineer\",\"description\":\"Btc, Coins, Pre-Sale, DeFi, NFT\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/coinengineer.net\/blog\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/coinengineer.net\/blog\/#\/schema\/person\/f99e7d0d5039cb3b36bd759a12c1216c\",\"name\":\"Emre Yumlu\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/coinengineer.net\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/3618e7041e2880ae9fdfeec9b77592ba6e9417ff89cfe4db07e0d1687a477d7b?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/3618e7041e2880ae9fdfeec9b77592ba6e9417ff89cfe4db07e0d1687a477d7b?s=96&d=mm&r=g\",\"caption\":\"Emre Yumlu\"},\"url\":\"https:\/\/coinengineer.net\/blog\/author\/ceemre\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Leaked OpenSea User Emails Now Publicly Available - Coin Engineer","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:\/\/coinengineer.net\/blog\/leaked-opensea-user-emails-now-publicly-available\/","og_locale":"en_US","og_type":"article","og_title":"Leaked OpenSea User Emails Now Publicly Available - Coin Engineer","og_description":"Millions of user emails were leaked online after a data breach involving OpenSea\u2019s automation provider in mid-2022. Over 7 million email addresses compromised during the breach have recently been fully exposed online. This has raised concerns, with a SlowMist executive warning that scammers now have access to a new treasure trove of information. SlowMist Chief","og_url":"https:\/\/coinengineer.net\/blog\/leaked-opensea-user-emails-now-publicly-available\/","og_site_name":"Coin Engineer","article_published_time":"2025-01-13T11:30:15+00:00","article_modified_time":"2025-01-13T10:24:59+00:00","og_image":[{"width":1920,"height":1080,"url":"https:\/\/coinengineer.net\/blog\/wp-content\/uploads\/2025\/01\/opensea_ce.png","type":"image\/png"}],"author":"Emre Yumlu","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Emre Yumlu","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/coinengineer.net\/blog\/leaked-opensea-user-emails-now-publicly-available\/","url":"https:\/\/coinengineer.net\/blog\/leaked-opensea-user-emails-now-publicly-available\/","name":"Leaked OpenSea User Emails Now Publicly Available - Coin Engineer","isPartOf":{"@id":"https:\/\/coinengineer.net\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/coinengineer.net\/blog\/leaked-opensea-user-emails-now-publicly-available\/#primaryimage"},"image":{"@id":"https:\/\/coinengineer.net\/blog\/leaked-opensea-user-emails-now-publicly-available\/#primaryimage"},"thumbnailUrl":"https:\/\/coinengineer.net\/blog\/wp-content\/uploads\/2025\/01\/opensea_ce.png","datePublished":"2025-01-13T11:30:15+00:00","dateModified":"2025-01-13T10:24:59+00:00","author":{"@id":"https:\/\/coinengineer.net\/blog\/#\/schema\/person\/f99e7d0d5039cb3b36bd759a12c1216c"},"breadcrumb":{"@id":"https:\/\/coinengineer.net\/blog\/leaked-opensea-user-emails-now-publicly-available\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/coinengineer.net\/blog\/leaked-opensea-user-emails-now-publicly-available\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/coinengineer.net\/blog\/leaked-opensea-user-emails-now-publicly-available\/#primaryimage","url":"https:\/\/coinengineer.net\/blog\/wp-content\/uploads\/2025\/01\/opensea_ce.png","contentUrl":"https:\/\/coinengineer.net\/blog\/wp-content\/uploads\/2025\/01\/opensea_ce.png","width":1920,"height":1080,"caption":"opensea"},{"@type":"BreadcrumbList","@id":"https:\/\/coinengineer.net\/blog\/leaked-opensea-user-emails-now-publicly-available\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/coinengineer.net\/blog\/"},{"@type":"ListItem","position":2,"name":"Leaked OpenSea User Emails Now Publicly Available"}]},{"@type":"WebSite","@id":"https:\/\/coinengineer.net\/blog\/#website","url":"https:\/\/coinengineer.net\/blog\/","name":"Coin Engineer","description":"Btc, Coins, Pre-Sale, DeFi, NFT","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/coinengineer.net\/blog\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/coinengineer.net\/blog\/#\/schema\/person\/f99e7d0d5039cb3b36bd759a12c1216c","name":"Emre Yumlu","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/coinengineer.net\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/3618e7041e2880ae9fdfeec9b77592ba6e9417ff89cfe4db07e0d1687a477d7b?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/3618e7041e2880ae9fdfeec9b77592ba6e9417ff89cfe4db07e0d1687a477d7b?s=96&d=mm&r=g","caption":"Emre Yumlu"},"url":"https:\/\/coinengineer.net\/blog\/author\/ceemre\/"}]}},"_links":{"self":[{"href":"https:\/\/coinengineer.net\/blog\/wp-json\/wp\/v2\/posts\/34797","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/coinengineer.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/coinengineer.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/coinengineer.net\/blog\/wp-json\/wp\/v2\/users\/29"}],"replies":[{"embeddable":true,"href":"https:\/\/coinengineer.net\/blog\/wp-json\/wp\/v2\/comments?post=34797"}],"version-history":[{"count":2,"href":"https:\/\/coinengineer.net\/blog\/wp-json\/wp\/v2\/posts\/34797\/revisions"}],"predecessor-version":[{"id":34801,"href":"https:\/\/coinengineer.net\/blog\/wp-json\/wp\/v2\/posts\/34797\/revisions\/34801"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/coinengineer.net\/blog\/wp-json\/wp\/v2\/media\/34800"}],"wp:attachment":[{"href":"https:\/\/coinengineer.net\/blog\/wp-json\/wp\/v2\/media?parent=34797"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/coinengineer.net\/blog\/wp-json\/wp\/v2\/categories?post=34797"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/coinengineer.net\/blog\/wp-json\/wp\/v2\/tags?post=34797"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}