End-to-end encryption (E2EE) for RCS messaging between iPhone and Android users is coming soon via the new Universal Profile 3.0 specifications from GSMA.
The new standard supports the Messaging Layer Security (MLS) protocol, which enables interoperable E2EE across different client implementations, improving security.
Apple has committed to incorporating the new standard in future software updates, so we’ll still have to wait for adoption.
GSMA has announced new Universal Profile 3.0 specifications for RCS that include end-to-end encryption (E2EE) based on the Messaging Layer Security (MLS) protocol.