1.0SecurityIT | Cyber Security Consultinghttps://www.show.it/en/enricohttps://www.show.it/en/author/enrico/rich600338<blockquote class="wp-embedded-content" data-secret="QlgZnic46W"><a href="https://www.show.it/en/cybercriminals-target-blockchain-in-dns-attack/">Cybercriminals Target Blockchain in DNS Attack</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.show.it/en/cybercriminals-target-blockchain-in-dns-attack/embed/#?secret=QlgZnic46W" width="600" height="338" title="“Cybercriminals Target Blockchain in DNS Attack” — SecurityIT | Cyber Security Consulting" data-secret="QlgZnic46W" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.show.it/wp-includes/js/wp-embed.min.js </script> Blockchain, the developer of the world’s most popular Bitcoin wallet, suffered an outage this week after malicious actors breached the systems of its registrar and changed its DNS servers. The company reported on Wednesday that it had detected a DNS issue. It later learned that attackers had compromised its DNS registrar. read more