マイクロソフトアカウントのセキュリティーを強化するのに「Microsoft Authenticator」という機能が有効だと聞きました。どのような仕組みで、どうやって使うのでしょうか。 Windowsで利用するマイクロソフトアカウントでは、スマートフォン（スマホ）用アプリ ...

二要素認証の手段として「一定時間ごとに変化するワンタイムコード」を用いる場合、ワンタイムコードを表示するアプリの選定も必要となります。ワンタイムコードを表示できるアプリはGoogle製のものやMicrosoft製のものなど数多く存在していますが ...

Authenticator apps are security tools that enhance the security of your online accounts. They work by enabling two-factor authentication (2FA) or multi-factor authentication (MFA), which adds an extra ...

In today's world, it's important to protect your online accounts by adding an extra layer of security. Most social media apps, banks, and web services support industry-standard time-based one-time ...

In this digital age where most of our identities are linked to online services and social media platforms, the matter of security has gotten increasingly more ...

On the same day Microsoft is cutting off autofill with its Authenticator app, Proton has announced a potential alternative. Proton Authenticator is a free two-factor authentication (2FA) app available ...

Proton has launched a new 2FA app, called Authenticator. This is an open-source app that offers multi-device sync, the ability to export/import 2FA tokens, and end-to-end encryption. The app is ...

If you use Microsoft Authenticator to store your login information, it's time to take action. This month, Microsoft began deleting stored payment methods from the app, and as of Aug. 1, 2025, stored ...

I review privacy tools like hardware security keys, password managers, private messaging apps and ad-blocking software. I also report on online scams and offer advice to families and individuals about ...

Bitwarden has developed a standalone authenticator app. Until now, time-based one-time passwords were only available as an additional function for subscribers. Time-based one-time passwords serve as ...