{"id":16770,"date":"2025-11-27T12:53:02","date_gmt":"2025-11-27T12:53:02","guid":{"rendered":"https:\/\/bitunikey.com\/news\/south-korea-banks-hit-by-russia-north-korea-ransomware-alliance\/"},"modified":"2025-11-27T12:53:07","modified_gmt":"2025-11-27T12:53:07","slug":"south-korea-banks-hit-by-russia-north-korea-ransomware-alliance","status":"publish","type":"post","link":"https:\/\/bitunikey.com\/news\/south-korea-banks-hit-by-russia-north-korea-ransomware-alliance\/","title":{"rendered":"South Korea banks hit by Russia\u2013North Korea ransomware alliance"},"content":{"rendered":"<p><\/p>\n<div class=\"post-detail__content blocks\">\n<p class=\"is-style-lead\">South Korea\u2019s financial sector was hit by a coordinated Russia\u2013North Korea supply chain attack using Qilin ransomware, with 2 TB of sensitive banking data stolen.<\/p>\n<div id=\"cn-block-summary-block_e4cf178d546500eb676d85b2417b2785\" class=\"cn-block-summary\">\n<div class=\"cn-block-summary__nav tabs\">\n        <span class=\"tabs__item is-selected\">Summary<\/span>\n    <\/div>\n<div class=\"cn-block-summary__content\">\n<ul class=\"wp-block-list\">\n<li>Bitdefender\u2019s October Threat Debrief details how threat actors breached a third\u2011party vendor to infiltrate multiple South Korean financial institutions.\u200b<\/li>\n<li>Attackers deployed Qilin ransomware across compromised networks after initial access, exfiltrating roughly 2 terabytes of data from targeted banks.\u200b<\/li>\n<li>The joint involvement of Russian and North Korean state\u2011linked actors marks an escalation in supply chain tactics against critical financial infrastructure.<\/li>\n<\/ul><\/div>\n<\/div>\n<p><!-- .cn-block-summary --><\/p>\n<p>South Korea\u2019s financial sector suffered a coordinated supply chain attack attributed to Russian and North Korean threat actors, resulting in the deployment of Qilin ransomware and the theft of sensitive data, according to cybersecurity firm Bitdefender.<\/p>\n<p>The attack, detailed in Bitdefender\u2019s Threat Debrief October <a rel=\"nofollow\" target=\"_blank\" href=\"https:\/\/www.bitdefender.com\/en-us\/blog\/businessinsights\/bitdefender-threat-debrief-october-2025\" target=\"_blank\" rel=\"nofollow\">report<\/a>, led to the compromise of multiple South Korean banking institutions. The firm stated it began investigating the campaign after identifying suspicious activity linked to the threat actors.<\/p>\n<h2 class=\"wp-block-heading\">Analysts warn of more coordinated ransomware attacks by Russian and North Korean hackers<\/h2>\n<p>The coordinated operation involved threat actors from both Russia and North Korea working in tandem to breach the financial institutions\u2019 systems, Bitdefender reported. The attackers successfully exfiltrated approximately 2 terabytes of data from the targeted banks.<\/p>\n<p>The supply chain attack method allowed the threat actors to gain access to multiple organizations through a compromised third-party vendor or service provider, according to the report. Following initial access, the attackers deployed Qilin ransomware across the compromised networks.<\/p>\n<p>    <!-- .cn-block-related-link --><\/p>\n<p>Bitdefender confirmed the findings in its monthly threat intelligence report covering October activity. The cybersecurity firm did not immediately disclose the specific identities of the affected South Korean financial institutions or the timeline of the breach.<\/p>\n<p>Supply chain attacks have become an increasingly common tactic among state-sponsored threat actors, allowing attackers to compromise multiple targets through a single point of entry. The involvement of both Russian and North Korean actors in a coordinated operation represents a notable development in the cybersecurity threat landscape.<\/p>\n<p>    <!-- .cn-block-related-link --><\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>South Korea\u2019s financial sector was hit by a coordinated Russia\u2013North Korea supply chain attack using Qilin ransomware, with 2 TB of sensitive banking data stolen. Summary Bitdefender\u2019s October Threat Debrief&hellip;<\/p>\n","protected":false},"author":1,"featured_media":16771,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-16770","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cryptocurrency"],"_links":{"self":[{"href":"https:\/\/bitunikey.com\/news\/wp-json\/wp\/v2\/posts\/16770","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bitunikey.com\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bitunikey.com\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bitunikey.com\/news\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bitunikey.com\/news\/wp-json\/wp\/v2\/comments?post=16770"}],"version-history":[{"count":1,"href":"https:\/\/bitunikey.com\/news\/wp-json\/wp\/v2\/posts\/16770\/revisions"}],"predecessor-version":[{"id":16772,"href":"https:\/\/bitunikey.com\/news\/wp-json\/wp\/v2\/posts\/16770\/revisions\/16772"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bitunikey.com\/news\/wp-json\/wp\/v2\/media\/16771"}],"wp:attachment":[{"href":"https:\/\/bitunikey.com\/news\/wp-json\/wp\/v2\/media?parent=16770"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bitunikey.com\/news\/wp-json\/wp\/v2\/categories?post=16770"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bitunikey.com\/news\/wp-json\/wp\/v2\/tags?post=16770"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}