Secure SSH with Google Authenticator's Two-Factor Authentication

How to Secure SSH with Google Two-Factor Authentication

1. Step 1 – Install Dependencies. To install the package, you'll need to have root or sudo privileges on the machine you wish to secure your SSH with 2FA using Google Authenticator. ...
2. Step 2 – Configuring OpenSSH. ...
3. Step 3 - Setup the Google Authenticator App. ...
4. Step 4 – Login to Your Computer via SSH.

1. How do I use Google Authenticator to SSH?
2. Are SSH keys Two-factor authentication?
3. Can Google 2 step verification be hacked?
4. How do I bypass Google 2 step verification?
5. How do I use Google Authenticator on Linux?
6. Is SSH an MFA?
7. How do I set up Google Authenticator Server?
8. Why you should never use Google Authenticator?
9. Is Apple's two-factor authentication worth it?
10. Why is two-factor authentication bad?
11. How do I bypass Google phone verification?
12. How do I turn off two step verification without signing in?
13. How do I restore my Google 2 factor authentication?

How do I use Google Authenticator to SSH?

Add key to the Google Authenticator App

This is to add a new service to the Authenticator. Use the option to scan the QR code. It is as easy as that. You will now have access to your ssh service with an added authentication factor - that being the code on your Google App.

Are SSH keys Two-factor authentication?

But if you want extra security provided by two-factor authentication in ssh, you can setup 2-factor authentication in ssh, preferably in addition to having it's private key protected with passphrase. From the point of view of the service: No, a passphrase protected SSH private key is not multifactor authentication.

Can Google 2 step verification be hacked?

The authenticator method uses apps such as Google Authenticator, LastPass, 1Password, Microsoft Authenticator, Authy and Yubico. However, while it's safer than 2FA via SMS, there have been reports of hackers stealing authentication codes from Android smartphones.

How do I bypass Google 2 step verification?

TL;DR - An attacker can bypass Google's two-step login verification, reset a user's master password, and otherwise gain full account control, simply by capturing a user's application-specific password (ASP).

How do I use Google Authenticator on Linux?

Log into your Linux machine and follow these steps:

1. Open a terminal window.
2. Issue the command sudo apt install libpam-google-authenticator.
3. Type your sudo password and hit Enter.
4. If prompted, type y and hit Enter.
5. Allow the installation to complete.

Is SSH an MFA?

If you've previously created an SSH key and are using it, you'll notice you didn't have to type in your user's password or the MFA verification code. This is because an SSH key overrides all other authentication options by default.

How do I set up Google Authenticator Server?

Smartphone App Installation. Then you have to install Google authenticator app in your mobile (Android, Iphone, Windows, Blackberry). You can enter the provided key and then add any account name, enter the verification code and then click add.

Why you should never use Google Authenticator?

According to a recent report from Nightwatch Cybersecurity, Google's Authenticator app for Android comes with an unfixed issue that can create a big security nightmare if you have any malware or otherwise shifty apps installed on your device.

Is Apple's two-factor authentication worth it?

Two-factor authentication significantly improves the security of your Apple ID. After you turn it on, signing into your account will require both your password and access to your trusted devices or trusted phone number.

Why is two-factor authentication bad?

Many users report that the additional hurdles of two-factor authentication are overly inconvenient, which can cause annoyed users to cut corners and take shortcuts that make the system more vulnerable.

How do I bypass Google phone verification?

How to bypass Google verification: Disable Factory Reset Protection (FRP)

1. Go to your settings.
2. Select "Cloud and accounts" and then "Accounts" (depending on your device, it may simply appear as "Accounts"). ...
3. Find your Google account and select it.

How do I turn off two step verification without signing in?

Turn off 2-Step Verification

1. On your Android phone or tablet, open your device's Settings app Google. Manage your Google Account.
2. At the top, tap Security.
3. Under "Signing in to Google," tap 2-Step Verification. You might need to sign in.
4. Tap Turn off.
5. Confirm by tapping Turn off.

How do I restore my Google 2 factor authentication?

User account

1. Sign in to your Google Admin console. ...
2. From the Admin console Home page, go to Users.
3. Click the user you want in the list. ...
4. Click Security.
5. Click 2-step verification.
6. Click Get Backup Verification Codes.
7. Copy one of the verification codes.
8. Click Done.