[graemep]

There are authenticator extensions for web browsers.

[scorpionfeet]

Unapproved by the company.

[graemep]

So its their device you are using? otherwise how to they know what authenticator you are using? Most use the same standard.

[scorpionfeet]

Bank has its own Authenticator app. That’s how.

[integralid]

Except Microsoft Authenticator. That's what my company uses and this is the only reason I ever use my work phone.

[account42]

Depends on the technology used - not everything is TOTP.