{"id":13493,"date":"2026-06-09T20:38:42","date_gmt":"2026-06-09T20:38:42","guid":{"rendered":"https:\/\/serisec.com\/index.php\/2026\/06\/09\/exchange-flaw-attackers-spoof-email-address\/"},"modified":"2026-06-09T20:38:42","modified_gmt":"2026-06-09T20:38:42","slug":"exchange-flaw-attackers-spoof-email-address","status":"publish","type":"post","link":"https:\/\/serisec.com\/index.php\/2026\/06\/09\/exchange-flaw-attackers-spoof-email-address\/","title":{"rendered":"Microsoft Exchange Flaw Lets Attackers Spoof Any Email Address"},"content":{"rendered":"<p>    Microsoft Exchange Flaw Lets Attackers Spoof Any Email Address<br \/>\n \t<BR><br \/>\n<BR><\/BR><br \/>\n    <!-- no image --><br \/>\n \t<BR><br \/>\n<BR><\/BR><\/p>\n<div>&#8220;Ghost-Sender&#8221; uses Exchange Online or on-premises in hybrid mode with a third-party mail server or spam filter to achieve this level of spoofing.<\/div>\n<p> \t<BR><br \/>\n <BR><\/BR><br \/>\n    Alexander Culafi<br \/>\n \t<BR><br \/>\n<BR><\/BR><br \/>\n<a href=\"https:\/\/www.darkreading.com\/vulnerabilities-threats\/exchange-flaw-attackers-spoof-email-address\">Go to gbhackers.com<\/a><br \/>\n \t<BR><br \/>\n <BR><\/BR><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft Exchange Flaw Lets Attackers Spoof Any Email Address &#8220;Ghost-Sender&#8221; uses Exchange Online or on-premises in hybrid mode with a third-party mail server or spam filter to achieve this level of spoofing. Alexander Culafi 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":[260],"tags":[261],"class_list":["post-13493","post","type-post","status-publish","format-standard","hentry","category-darkreading","tag-darkreading"],"_links":{"self":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/13493"}],"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=13493"}],"version-history":[{"count":0,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/13493\/revisions"}],"wp:attachment":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/media?parent=13493"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/categories?post=13493"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/tags?post=13493"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}