IMESSAGE WITH PQ3: THE NEW STATE OF THE ART IN QUANTUM-SECURE MESSAGING AT SCALE

Summary from the TLDR Web Dev newsletter

Apple has added PQ3 to iMessage. PQ3 is a new post-quantum cryptographic protocol that offers strong protection against current and future threats from quantum computers. It surpasses the security of all other widely available messaging apps by achieving Level 3 security. PQ3 features post-quantum encryption, a self-healing key mechanism, a hybrid design, and formal verification that ensures security.