Jeff Barr posted that AWS is actively working on a resolution for this: https://...

zedpm 11 months ago | parent | context | favorite | on: The AWS S3 Denial of Wallet Amplification Attack

Jeff Barr posted that AWS is actively working on a resolution for this: https://twitter.com/jeffbarr/status/1785386554372042890 . Given who he is, I take this as a strong indication that there will be a reasonable fix in the near future.