{"id":3588,"date":"2026-09-21T07:26:30","date_gmt":"2026-09-21T07:26:30","guid":{"rendered":"https:\/\/netguide.io\/news\/2026\/09\/21\/gyazo-security-vulnerability-exposes-data-of-over-23-million-users\/"},"modified":"2026-09-21T07:26:32","modified_gmt":"2026-09-21T07:26:32","slug":"gyazo-security-vulnerability-exposes-data-of-over-23-million-users","status":"publish","type":"post","link":"https:\/\/netguide.io\/news\/en\/2026\/09\/21\/gyazo-security-vulnerability-exposes-data-of-over-23-million-users\/","title":{"rendered":"Gyazo: Security Vulnerability Exposes Data of Over 23 Million Users"},"content":{"rendered":"<div id=\"netgu-2913793982\" class=\"netgu-before-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"3494115342\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div><p>Screenshot service Gyazo has fallen victim to a cyberattack. According to recent reports, a security vulnerability has exposed the data of more than 23 million users. For users of the service, this incident poses a potential security risk, particularly regarding stored account details and the ripple effects of credential reuse.<\/p>\n<h2>Security Incident Impacts Millions of Accounts<\/h2>\n<p>According to information from a report by Stadt-Bremerhaven, attackers succeeded in exploiting a vulnerability in Gyazo. Through this exploit, unauthorized third parties gained access to platform user data. In total, the breach affects more than 23 million accounts.<\/p><div id=\"netgu-2498148238\" class=\"netgu-content netgu-entity-placement\"><aside class=\"deals-top deals-top--compact\">\n\n\t\t\t<h3 class=\"deals-top__title\">Top-Deals<\/h3>\n\t\n\t\t\t<ul class=\"deals-top__list\">\n\t\t\t\t\t\t\t<li class=\"deals-top__item\">\n\t\t\t\t\t<a class=\"deals-top__link\" href=\"https:\/\/netguide.io\/deals\/de\/deals\/ugreen-aluminium-tabletstaender-360-drehbar-hoehenverstellbar\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img class=\"deals-top__image\" src=\"https:\/\/netguide.io\/news\/wp-content\/uploads\/sites\/15\/2026\/09\/2825012_1-150x150.webp\" alt=\"\" width=\"52\" height=\"52\" loading=\"lazy\" \/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">UGREEN Aluminium Tabletst\u00e4nder | 360\u00b0 Drehbar &amp; H\u00f6henverstellbar<\/span>\n\n\t\t\t\t\t\t\t<span class=\"deals-top__meta\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span 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class=\"deals-top__price\">Gratis<\/span>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<s>0.01 \u20ac<\/s>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-discount\">-100%<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<span class=\"deals-top__temperature\">\n\t\t\t\t\t\t\t54\u00b0\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t\t<\/ul>\n\n\t\t\t\t\t<p class=\"deals-top__more\">\n\t\t\t\t<a href=\"https:\/\/netguide.io\/deals\/\">Alle Deals ansehen \u2192<\/a>\n\t\t\t<\/p>\n\t\t\t<\/aside>\n<\/div>\n<p>Precise technical details regarding the attack vector used, as well as the exact composition of the compromised records, are not yet clear from initial reports. Nevertheless, the sheer volume of records indicates that a large portion of the screenshot platform&#8217;s user base is likely affected.<\/p>\n<h2>Context: The Risks Posed by Data Breaches<\/h2>\n<p>Screenshot-sharing services are routinely used by many people to quickly share images, code snippets, or receipts. If such a platform is compromised, affected users face several risks. Hackers often leverage stolen records for automated attacks against other online services. If the same email and password combination was reused across other accounts, attackers can exploit it via credential stuffing attacks.<\/p>\n<p>Furthermore, exposing contact information always increases the risk of targeted phishing attempts. In such cases, criminals often send fraudulent notifications disguised as official alerts from the affected service to intercept additional sensitive details.<\/p>\n<h2>Action Plan: What Users Should Do Now<\/h2>\n<p>Anyone with a Gyazo user account should take the following precautionary protective steps:<\/p>\n<ul>\n<li><strong>Change your password immediately:<\/strong> Set a new, complex, and unique password on Gyazo consisting of a combination of upper- and lowercase letters, numbers, and special characters.<\/li>\n<li><strong>Check for password reuse:<\/strong> If you use the same password or variations of it across other platforms, update those credentials immediately as well.<\/li>\n<li><strong>Enable two-factor authentication (2FA):<\/strong> Where available across online services, activate two-factor authentication. This keeps an account protected even if a password is compromised.<\/li>\n<li><strong>Watch out for phishing messages:<\/strong> Stay vigilant with incoming emails. Do not click impulsively on links in messages claiming to be from Gyazo; instead, always navigate to the official website manually in your browser.<\/li>\n<\/ul>\n<p><em>Sources: <a href=\"https:\/\/stadt-bremerhaven.de\/gyazo-sicherheitsluecke-legt-daten-von-ueber-23-millionen-nutzern-offen\/\" rel=\"nofollow noopener\" target=\"_blank\">Stadt-Bremerhaven<\/a><\/em><\/p>\n<div id=\"netgu-437034009\" class=\"netgu-after-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"4559785002\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Screenshot service Gyazo has fallen victim to a cyberattack. A security vulnerability reportedly impacts more than 23 million user accounts.<\/p>\n","protected":false},"author":1,"featured_media":3585,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[430],"tags":[2865,1328,1168,2949,2951,1870],"class_list":["post-3588","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cybersecurity-en","tag-cyberattack","tag-cybersecurity-en","tag-data-breach-en","tag-gyazo-en","tag-screenshot-en","tag-vulnerability"],"brizy_media":[],"_links":{"self":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts\/3588","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/comments?post=3588"}],"version-history":[{"count":1,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts\/3588\/revisions"}],"predecessor-version":[{"id":3589,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts\/3588\/revisions\/3589"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/media\/3585"}],"wp:attachment":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/media?parent=3588"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/categories?post=3588"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/tags?post=3588"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}