{"id":7139,"date":"2026-05-12T20:47:59","date_gmt":"2026-05-12T20:47:59","guid":{"rendered":"https:\/\/delimiter.online\/blog\/apple-and-google-bring-end-to-end-encryption-to-rcs-chats\/"},"modified":"2026-05-12T20:47:59","modified_gmt":"2026-05-12T20:47:59","slug":"apple-and-google-bring-end-to-end-encryption-to-rcs-chats","status":"publish","type":"post","link":"https:\/\/delimiter.online\/blog\/apple-and-google-bring-end-to-end-encryption-to-rcs-chats\/","title":{"rendered":"Apple and Google Bring End-to-End Encryption to RCS Chats"},"content":{"rendered":"

Apple<\/a> and Google<\/a> have introduced End-to-End<\/a> Encryption<\/a> for Rich Communication Services (RCS) messaging, marking a significant step forward in securing cross-platform communication. The feature is available with the iOS 26.5 update, according to an announcement from the companies.<\/p>\n

This development addresses a long-standing privacy concern for users who communicate across Apple and Android devices. RCS, the modern messaging standard designed to replace SMS, previously lacked the same level of encryption found in proprietary messaging apps like iMessage and WhatsApp.<\/p>\n

What End-to-End Encryption Means for Users<\/h2>\n

End-to-end encryption ensures that messages can only be read by the sender and the intended recipient. No third party, including Apple, Google, or network carriers, can access the content of these messages. This protection applies to text messages, images, videos, and other file types sent through RCS.<\/p>\n

For the average user, this means conversations between an iPhone user and an Android user will now be as secure as iMessage chats. Previously, these cross-platform exchanges relied on SMS or unencrypted RCS, leaving them vulnerable to interception by malicious actors or surveillance.<\/p>\n

The encryption standard used is based on the Messaging Layer Security (MLS) protocol, which is also employed by other secure messaging platforms. This protocol provides forward secrecy, meaning that even if a long-term encryption key is compromised, past messages remain protected.<\/p>\n

Implementation and Availability<\/h2>\n

The rollout began with the iOS 26.5 update for Apple devices and corresponding updates to Google Messages. Users on both platforms must have the latest software versions installed to benefit from the encryption. The feature activates automatically for RCS chats and does not require any manual configuration.<\/p>\n

Group chats between Apple and Android users are also included in this encryption update. This extends the same privacy protections to multi-person conversations, a capability that previously existed only within individual platform ecosystems.<\/p>\n

Both companies have confirmed that the encryption applies to all RCS messages sent through their respective messaging applications. Third-party RCS apps may not have the same level of security unless they adopt the same MLS protocol.<\/p>\n

Industry Context and Implications<\/h2>\n

The announcement resolves a key criticism of RCS since its adoption by Apple in 2024. Security experts had flagged the lack of end-to-end encryption as a major weakness, particularly for users who rely on default messaging apps for sensitive communications.<\/p>\n

This move aligns with broader industry trends toward stronger default encryption. Regulators in the European Union and other jurisdictions have pushed technology companies to implement robust security measures for consumer communications services.<\/p>\n

The cooperation between Apple and Google on this issue is notable given their longstanding competition in the smartphone market. Both companies have committed to maintaining the openness of the RCS standard while ensuring security compliance.<\/p>\n

Possible Limitations and Future Developments<\/h2>\n

While end-to-end encryption is now active for RCS, some metadata such as sender and recipient phone numbers, message timestamps, and approximate message sizes may still be visible to network carriers. This metadata is necessary for message delivery and cannot be encrypted without disrupting the service.<\/p>\n

Support for encrypted RCS is expected to expand to more countries and carriers over the coming months. Users in regions where RCS is not yet fully supported by mobile operators may not immediately see the feature. Both Apple and Google are working with carriers to accelerate adoption.<\/p>\n

The next phase of this collaboration may include encrypted reactions, read receipts, and typing indicators, which are currently sent as unencrypted signals in some implementations. No specific timeline for these additional features has been announced.<\/p>\n

Source: Mashable<\/p>\n","protected":false},"excerpt":{"rendered":"

Apple and Google have introduced End-to-End Encryption for Rich Communication Services (RCS) messaging, marking a significant step forward in securing cross-platform communication. The feature is available with the iOS 26.5 update, according to an announcement from the companies. This development addresses a long-standing privacy concern for users who communicate across Apple and Android devices. RCS, […]<\/p>\n","protected":false},"author":1,"featured_media":7140,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[387],"tags":[312,301,989,1046],"class_list":["post-7139","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tech-news","tag-apple","tag-google","tag-post","tag-tech"],"_links":{"self":[{"href":"https:\/\/delimiter.online\/blog\/wp-json\/wp\/v2\/posts\/7139","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/delimiter.online\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/delimiter.online\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/delimiter.online\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/delimiter.online\/blog\/wp-json\/wp\/v2\/comments?post=7139"}],"version-history":[{"count":0,"href":"https:\/\/delimiter.online\/blog\/wp-json\/wp\/v2\/posts\/7139\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/delimiter.online\/blog\/wp-json\/wp\/v2\/media\/7140"}],"wp:attachment":[{"href":"https:\/\/delimiter.online\/blog\/wp-json\/wp\/v2\/media?parent=7139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/delimiter.online\/blog\/wp-json\/wp\/v2\/categories?post=7139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/delimiter.online\/blog\/wp-json\/wp\/v2\/tags?post=7139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}