{"id":13490,"date":"2026-06-09T11:03:51","date_gmt":"2026-06-09T11:03:51","guid":{"rendered":"https:\/\/serisec.com\/index.php\/2026\/06\/09\/ghost-sender-flaw-exposes-exchange-online-users\/"},"modified":"2026-06-09T11:03:51","modified_gmt":"2026-06-09T11:03:51","slug":"ghost-sender-flaw-exposes-exchange-online-users","status":"publish","type":"post","link":"https:\/\/serisec.com\/index.php\/2026\/06\/09\/ghost-sender-flaw-exposes-exchange-online-users\/","title":{"rendered":"Ghost-Sender Flaw Exposes Exchange Online Users to Sender Spoofing Attacks"},"content":{"rendered":"<p>    Ghost-Sender Flaw Exposes Exchange Online Users to Sender Spoofing Attacks<br \/>\n \t<BR><br \/>\n<BR><\/BR><br \/>\n    <!-- no image --><br \/>\n \t<BR><br \/>\n<BR><\/BR><\/p>\n<div>A newly disclosed \u201cGhost-Sender\u201d flaw is exposing Microsoft Exchange Online environments to large-scale email spoofing attacks, allowing threat actors to bypass standard email authentication&#8230;<br \/>\nDelivered by PolitePaul service<\/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\/ghost-sender-flaw-exposes-exchange-online-users\/\">Go to gbhackers.com<\/a><br \/>\n \t<BR><br \/>\n <BR><\/BR><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ghost-Sender Flaw Exposes Exchange Online Users to Sender Spoofing Attacks A newly disclosed \u201cGhost-Sender\u201d flaw is exposing Microsoft Exchange Online environments to large-scale email spoofing attacks, allowing threat actors to bypass standard email authentication&#8230; Delivered by PolitePaul service 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-13490","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\/13490"}],"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=13490"}],"version-history":[{"count":0,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/13490\/revisions"}],"wp:attachment":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/media?parent=13490"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/categories?post=13490"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/tags?post=13490"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}