Hilariously if this is internal only, it may be "secure in transit" as most mail doesnt flow over SMTP in that case. Some vendors, including m365, also encrypt mail by default between other m365 users, and I think all of gmail last I checked.
If that password isn't then deleted from email or is otherwise archived automatically, then you have problems.
That's USB C in a nutshell. A unified port that has intense power and bandwidth capabilities in a simple form factor that has now been mandated as required on devices by a major world power.
Thunderbolt is actually old news at this point, as they effectively merged.