There are a number of tactics you can use to strengthen your password security when working and browsing online. Certainly it starts with a password manager. Two factor, or multi-factor, authentication adds an additional layer that insures your online accounts are not easily compromised. Two factor authentication is where you opt in to receive an additional code or pin via SMS on your mobile phone after logging in with your username and password to a web site or application.

It is possible that you could find yourself in a location where mobile and WiFi access are limited – and that is where Google Authenticator comes in. It is an app, from Google, that sits on your smart phone and can be used to generate the two factor code without a data connection. Many popular sites and services support the use of Google Authenticator, including:

• 
  
• Buffer
  
• Dropbox
  
• Evernote
  
• Facebook
  
• Google (of course)
  
• Hootsuite
  
• LastPass
  
• Microsoft
  
• Salesforce
  
• WordPress
  

For a full list if supported sites see this Wikipedia entry. You can also visit the Google Authenticator site, where they also outline how to use it with personal or Google Apps for Work accounts.

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