GOOGLE Cloud plans to achieve its first major post-quantum security milestone by the end of 2027, focusing on mitigating risks associated with data that could be decrypted by future quantum computers. Their roadmap includes specific deadlines for improving digital signatures and key management. Currently, Google Cloud's API endpoints offer hybrid post-quantum key exchange, with more features expected to launch in the coming years.
Challenges include large signature sizes that affect certificate validation, which Google addresses through innovative solutions. Users must also update their software and anticipate delays in some hardware components.