Google 2 Step Authentication — The Gadgeteer

Google 2 step authentication works on 2 things, something you know – your password – and something you have – your phone/tablet.

It’s easy to turn on from your Google Account Settings

via Google 2 Step Authentication Review — The Gadgeteer.

How to: Enable Dropbox Two-Step Authentication — The Gadgeteer

After a security breach with Dropbox, they’ve now given you the option of adding two-step authentication to your account.  The two-step authentication codes can be obtained via SMS, Google Authenticator, Amazon’s AWS MFA, and Windows 7 Authenticator.

via How to: Enable Dropbox Two-Step Authentication — The Gadgeteer.

How to set up two-step verification for your Apple ID | How To – CNET

Two-step verification (or authentication as it’s commonly referred to) adds an additional barrier of security between would-be hackers and your account. The extra barrier comes in the form of a four-digit code, which will be sent to a device of your choosing via the Find My iPhone app or SMS, after you’ve entered your password.

via How to set up two-step verification for your Apple ID | How To – CNET.