{"id":581933,"date":"2026-04-11T18:52:44","date_gmt":"2026-04-11T18:52:44","guid":{"rendered":"https:\/\/e-bitco.in\/index.php\/2026\/04\/11\/messaging-push-notifications-are-a-privacy-attack-surface-says-durov\/"},"modified":"2026-04-11T18:52:44","modified_gmt":"2026-04-11T18:52:44","slug":"messaging-push-notifications-are-a-privacy-attack-surface-says-durov","status":"publish","type":"post","link":"https:\/\/e-bitco.in\/index.php\/2026\/04\/11\/messaging-push-notifications-are-a-privacy-attack-surface-says-durov\/","title":{"rendered":"Messaging push notifications are a privacy attack surface, says Durov"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/images.cointelegraph.com\/images\/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjYtMDQvMDE5ZDdkYWUtZTQ3MC03ZWE4LTg1NDItNzZhOWYyNDRjODYyLmpwZw==.jpg\" alt=\"Messaging push notifications are a privacy attack surface, says Durov\" class=\"type:primaryImage\" \/><\/p>\n<p>The comments followed recent reports that law enforcement officials retrieved deleted Signal messages through device push notification logs.<\/p>\n<p>Pavel Durov, the co-founder of the Telegram messaging application, said that push notifications create a persistent, critical vulnerability to user privacy, allowing data retrieval even after messages and messaging applications that allow push notification data storage have been deleted from a device.<\/p>\n<p>Durov cited a recent <a title=\"https:\/\/www.404media.co\/fbi-extracts-suspects-deleted-signal-messages-saved-in-iphone-notification-database-2\/\" href=\"https:\/\/www.404media.co\/fbi-extracts-suspects-deleted-signal-messages-saved-in-iphone-notification-database-2\/\" target=\"_blank\" rel=\"nofollow noopener\">report<\/a>, originally published by 404 Media, that the United States Federal Bureau of Investigation (FBI) was able to retrieve deleted messages from a Signal user by accessing device notification logs on an Apple iPhone. Durov <a title=\"https:\/\/t.me\/durov\/485\" href=\"https:\/\/t.me\/durov\/485\" target=\"_blank\" rel=\"nofollow noopener\">said<\/a> on Friday:<\/p>\n<p>Cointelegraph reached out to Signal about the FBI\u2019s data retrieval but did not receive a response by the time of publication.\u00a0<\/p>\n<p>The recent reports highlight how investigators and those with sufficient technical skills can circumvent end-to-end encryption and breach user privacy by accessing metadata and other <a title=\"https:\/\/cointelegraph.com\/news\/ai-privacy-threats-future-private-messaging-session\" href=\"https:\/\/cointelegraph.com\/news\/ai-privacy-threats-future-private-messaging-session\">information generated by applications<\/a>, prompting a need for <a title=\"https:\/\/cointelegraph.com\/explained\/the-future-of-secure-messaging-why-decentralization-matters-more-than-ever\" href=\"https:\/\/cointelegraph.com\/explained\/the-future-of-secure-messaging-why-decentralization-matters-more-than-ever\">decentralized messaging applications<\/a> that do not collect such data.\u00a0<\/p>\n<p><a href=\"https:\/\/cointelegraph.com\/news\/messaging-notifications-privacy-attack-durov\">Read more<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>The comments followed recent reports that law enforcement officials retrieved deleted Signal messages through device push notification logs. Pavel Durov, the co-founder of the Telegram messaging application, said that push notifications create a persistent, critical vulnerability to user privacy, allowing data retrieval even after messages and messaging applications that allow push notification data storage have [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":581934,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":{"0":"post-581933","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-blockchain"},"_links":{"self":[{"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/posts\/581933","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/comments?post=581933"}],"version-history":[{"count":0,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/posts\/581933\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/media\/581934"}],"wp:attachment":[{"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/media?parent=581933"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/categories?post=581933"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/tags?post=581933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}