Paper-based TOTP tokens

Enterprise policies are different, and in some cases weird. In this article, we will describe a very unusual problem raised by one of our customers. In a nutshell, the organization does not allow bringing any devices onsite, no smartphones, no mobile phones, and even no hardware tokens are allowed on-premises. At the same time, the organization is using Office 365 services from Microsoft and has e

[uzulla]

予め全部印刷しておけばOKはわかるがすごい。

[tmatsuu]

スマートフォンやハードウェアトークンを持ち込めない環境でワンタイムパスワードを解決するにはどうするか。TOTPであればすべての想定される時間帯を予め印刷して紙で持ち込むことが可能。ライフハックだ。