{"id":10819,"date":"2026-02-20T11:03:36","date_gmt":"2026-02-20T11:03:36","guid":{"rendered":"https:\/\/serisec.com\/index.php\/2026\/02\/20\/microsoft-365-to-steal-oauth-tokens\/"},"modified":"2026-02-20T11:03:36","modified_gmt":"2026-02-20T11:03:36","slug":"microsoft-365-to-steal-oauth-tokens","status":"publish","type":"post","link":"https:\/\/serisec.com\/index.php\/2026\/02\/20\/microsoft-365-to-steal-oauth-tokens\/","title":{"rendered":"Ongoing Campaign Targets Microsoft 365 to Steal OAuth Tokens for Persistent Access"},"content":{"rendered":"<p>    Ongoing Campaign Targets Microsoft 365 to Steal OAuth Tokens for Persistent Access<br \/>\n \t<BR><br \/>\n<BR><\/BR><br \/>\n    <!-- no image --><br \/>\n \t<BR><br \/>\n<BR><\/BR><\/p>\n<div>A new phishing campaign exploiting Microsoft\u2019s OAuth 2.0 Device Authorization Grant flow to gain unauthorized and persistent access to Microsoft 365 accounts. <\/p>\n<p>The sophisticated&#8230;<\/p><\/div>\n<p> \t<BR><br \/>\n <BR><\/BR><\/p>\n<p> \t<BR><br \/>\n<BR><\/BR><br \/>\n<a href=\"https:\/\/gbhackers.com\/microsoft-365-to-steal-oauth-tokens\/\">Go to gbhackers.com<\/a><br \/>\n \t<BR><br \/>\n <BR><\/BR><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ongoing Campaign Targets Microsoft 365 to Steal OAuth Tokens for Persistent Access A new phishing campaign exploiting Microsoft\u2019s OAuth 2.0 Device Authorization Grant flow to gain unauthorized and persistent access to Microsoft 365 accounts. The sophisticated&#8230; Go to gbhackers.com<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[65],"tags":[81],"class_list":["post-10819","post","type-post","status-publish","format-standard","hentry","category-gbhackers","tag-gbhackers"],"_links":{"self":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/10819"}],"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=10819"}],"version-history":[{"count":0,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/10819\/revisions"}],"wp:attachment":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/media?parent=10819"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/categories?post=10819"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/tags?post=10819"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}