{"id":210448,"date":"2025-04-03T05:18:50","date_gmt":"2025-04-03T10:18:50","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/04\/hidden-side-channels-in-quantum-sources-could-compromise-secure-communication"},"modified":"2025-04-03T05:18:50","modified_gmt":"2025-04-03T10:18:50","slug":"hidden-side-channels-in-quantum-sources-could-compromise-secure-communication","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/04\/hidden-side-channels-in-quantum-sources-could-compromise-secure-communication","title":{"rendered":"Hidden side channels in quantum sources could compromise secure communication"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/hidden-side-channels-in-quantum-sources-could-compromise-secure-communication.jpg\"><\/a><\/p>\n<p>A team of researchers from University of Toronto Engineering has discovered hidden multi-dimensional side channels in existing quantum communication protocols.<\/p>\n<p>The new side channels arise in quantum sources, which are the devices that generate the <a href=\"https:\/\/phys.org\/tags\/quantum+particles\/\" rel=\"tag\" class=\"\">quantum particles <\/a>\u2014typically photons\u2014used to send secure messages. The finding could have important implications for quantum security.<\/p>\n<p>\u201cWhat makes quantum communication more secure than classical communication is that it makes use of a property of quantum mechanics known as conjugate states,\u201d says Ph.D. student Amita Gnanapandithan, lead author on a <a href=\"https:\/\/journals.aps.org\/prl\/abstract\/10.1103\/PhysRevLett.134.130802\" target=\"_blank\">paper published<\/a> in Physical Review Letters.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A team of researchers from University of Toronto Engineering has discovered hidden multi-dimensional side channels in existing quantum communication protocols. The new side channels arise in quantum sources, which are the devices that generate the quantum particles \u2014typically photons\u2014used to send secure messages. The finding could have important implications for quantum security. \u201cWhat makes quantum [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38,48,1617,1492],"tags":[],"class_list":["post-210448","post","type-post","status-publish","format-standard","hentry","category-engineering","category-particle-physics","category-quantum-physics","category-security"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/210448","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=210448"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/210448\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=210448"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=210448"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=210448"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}