{"id":5496,"date":"2025-07-20T10:03:39","date_gmt":"2025-07-20T10:03:39","guid":{"rendered":"https:\/\/serisec.com\/index.php\/2025\/07\/20\/threat-actors-downgrade-fido2-mfa-auth-in-poisonseed-phishing-attack\/"},"modified":"2025-07-20T10:03:39","modified_gmt":"2025-07-20T10:03:39","slug":"threat-actors-downgrade-fido2-mfa-auth-in-poisonseed-phishing-attack","status":"publish","type":"post","link":"https:\/\/serisec.com\/index.php\/2025\/07\/20\/threat-actors-downgrade-fido2-mfa-auth-in-poisonseed-phishing-attack\/","title":{"rendered":"Threat actors downgrade FIDO2 MFA auth in PoisonSeed phishing attack"},"content":{"rendered":"<p>    Threat actors downgrade FIDO2 MFA auth in PoisonSeed phishing attack<br \/>\n \t<BR><br \/>\n<BR><\/BR><br \/>\n    <!-- no image --><br \/>\n \t<BR><br \/>\n<BR><\/BR><\/p>\n<div>A PoisonSeed phishing campaign is bypassing FIDO2 security key protections by abusing the cross-device sign-in feature in WebAuthn to\u00a0trick users into approving login authentication requests from fake company portals. [&#8230;]<\/div>\n<p> \t<BR><br \/>\n <BR><\/BR><br \/>\n    Lawrence Abrams<br \/>\n \t<BR><br \/>\n<BR><\/BR><br \/>\n<a href=\"https:\/\/www.bleepingcomputer.com\/news\/security\/threat-actors-downgrade-fido2-mfa-auth-in-poisonseed-phishing-attack\/\">Go to bleepingcomputer<\/a><br \/>\n \t<BR><br \/>\n <BR><\/BR><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Threat actors downgrade FIDO2 MFA auth in PoisonSeed phishing attack A PoisonSeed phishing campaign is bypassing FIDO2 security key protections by abusing the cross-device sign-in feature in WebAuthn to\u00a0trick users into approving login authentication requests from fake company portals. [&#8230;] Lawrence Abrams Go to bleepingcomputer<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[64,133],"tags":[80],"class_list":["post-5496","post","type-post","status-publish","format-standard","hentry","category-bleepingcomputer","category-security","tag-bleepingcomputer"],"_links":{"self":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/5496"}],"collection":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/comments?post=5496"}],"version-history":[{"count":0,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/5496\/revisions"}],"wp:attachment":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/media?parent=5496"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/categories?post=5496"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/tags?post=5496"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}