2FA

PC Recipe

How to use Google Authenticator

Do you use Authenticator intuitively? Here I will tell you the tips for Google Authenticator and how to back up the verification codes.
Advance Preparation

7. Security Measures

This is the security from hardware to software. At the ending part, there are the countermeasures against hackers. Please refer to it.
PC Recipe

Never Fail to two-step Authentication

I know it's sudden but, have you ever failed to two-step authentication (2FA) ? There are the cases not to use 2FA by losing or changing your smartphone. I will tell you the technique never fail to this 2FA.
Monthly Reports

Monthly Report ( Oct. to Dec. 2023 )

In this month, I challenged to weaken the radio waves of Wi-Fi. We are always worried when we find neighbour's Wi-Fi on PC. I tried to stop this weird one.
Monthly Reports

Monthly Report ( March 2023 )

In this month. I solved the problem that Jetpack-Website Builder cannot use 2FA on initial setting. Also, I made a useful table of contents using Easy Table of Contents.
Advance Preparation

3. Installing Authenticator

Install Google Authenticator to your mobile for 2FA. It can use Microsoft Authenticator, however, to consider about connection to Google account, it's much better to use Google Authenticator.