Turn on 2-Step Verification - Computer - Google Account Help

With 2-Step Verification, also called two-factor authentication, you can add an extra layer of security to your account in case your password is stolen. After you set up 2-Step Verification, you can sign in to your account with: Your password Your phone Allow 2-Step Verification Open your Google Account. In the navigation panel, select Security. Under “How you sign in to Google,” select 2-Step Ver

[browneyes]

半年くらい前だったか、謎の南米アクセス何回か喰らってるし、いい加減これ導入しとくがいい頃合いかな…。 ▶ Setup - Accounts Help

[airj12]

Google2段階認証ヘルプ

[youheinitta]

Google Account を 2-step verification にしてみた