Two-factor authentication adds a layer of protection to the standard password online identification method. You simply add another identification feature alongside your password and it’s usually a phone number. It’s free and quick and easy to do. Critics point out that because you usually have to use your phone number it’s just one more bit of information you’re handing over to a third party. This is true, but as hacks and database breaches become increasingly common it’s also one of the most practical and simple protection options available.
However, if you introduce two-factor authentication into your accounts it becomes much more difficult, by several orders of magnitude, to access the account. The password acts as the first line of defense – so toughen it up – and the second factor adds another barrier by introducing what is usually a phone number.
- Sign in to your Facebook account. Click the drop-down arrow in the top-right corner and choose Settings.
- Select Security in the left pane, then click Edit to the right of Login Approvals.
- Next, check ‘Require a security code to access my account from unknown browsers.’
- A window opens explaining how log-in approvals work.
- Follow the prompts, which include adding a phone number to your account and entering a confirmation code that will be sent to your number.
- You can also take advantage of the code generator feature within Facebook's mobile applications.
- The code generator is found within the app by sliding out of the More menu and scrolling down to the Settings section.
- There you will find a Code Generator option, which will display a six-digit code when launched.
- Open the top-right menu and click on Manage next to Privacy & Settings.
- On the tabs along the bottom-left-hand side, click Account > Manage security settings (bottom of the left column).
- Under Two-step verification for sign-in, click Turn On. Enter a reliable cell phone number and then click Send Code.
- Enter the code you receive via SMS to log back into the LinkedIn website.
- Setting up Twitter's two-factor authentication requires you to use a computer and visit your security settings page.
- Tick the box next to ‘Send login verification requests to (my number).
- If you don't already have a phone number attached to your account, follow the prompts to add one.
- With the box ticked you’ll receive a series of prompts letting you know that the service is about to be enabled and that you need to connect your mobile phone number to your Twitter account.
Original Article: https://www.bullguard.com/blog/2017/01/how-to-add-an-extra-layer-of-security-to-your-online-accounts
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