[BooneJS]

Google has 3 Titans.

1) Titan for GCP servers: https://cloud.google.com/blog/products/gcp/titan-in-depth-se... (custom hardware, custom software)

2) Security key: https://cloud.google.com/titan-security-key/ ("built with a hardware chip that includes firmware engineered by Google" - seemingly stock hardware, custom software)

3) Titan M mobile: (TFA, custom hardware/software like #1 but for mobile)