{"id":244076,"date":"2026-09-15T21:23:50","date_gmt":"2026-09-16T02:23:50","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/09\/new-ddrop-attack-breaks-intel-tdx-and-amd-sev-snp-confidential-computing"},"modified":"2026-09-15T21:23:50","modified_gmt":"2026-09-16T02:23:50","slug":"new-ddrop-attack-breaks-intel-tdx-and-amd-sev-snp-confidential-computing","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/09\/new-ddrop-attack-breaks-intel-tdx-and-amd-sev-snp-confidential-computing","title":{"rendered":"New DDRop Attack Breaks Intel TDX and AMD SEV-SNP Confidential Computing"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/new-ddrop-attack-breaks-intel-tdx-and-amd-sev-snp-confidential-computing.gif\"><\/a><\/p>\n<p>Researchers have disclosed a new hardware attack, called <strong>DDRop<\/strong>, that breaks the memory protection in Intel and AMD confidential computing by silently dropping writes to a server\u2019s memory, so the processor keeps reading old encrypted data as if it were current.<\/p>\n<p>The attack requires an attacker who already controls the server\u2019s software and can briefly access the machine to insert a small circuit board, called an <strong>interposer<\/strong>, between the processor and a memory module.<\/p>\n<p>The interposer costs under $200 to build. DDRop works against Intel TDX, Intel Scalable SGX, and AMD SEV-SNP, the hardware that cloud services use to keep customer data private while it is in use, even from the cloud provider.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Researchers have disclosed a new hardware attack, called DDRop, that breaks the memory protection in Intel and AMD confidential computing by silently dropping writes to a server\u2019s memory, so the processor keeps reading old encrypted data as if it were current. The attack requires an attacker who already controls the server\u2019s software and can briefly [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1523,1625],"tags":[],"class_list":["post-244076","post","type-post","status-publish","format-standard","hentry","category-computing","category-encryption"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/244076","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=244076"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/244076\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=244076"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=244076"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=244076"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}