Home > Computers > Security > Authentication > Multi-factor Authentication > Vendor Specific
https://support.apple.com/kb/HT5570
Answers to frequently asked questions about two-step verification for Apple ID.
https://www.dropbox.com/help/363/en
Security feature that adds an extra layer of protection to a Dropbox account, by requiring a code from a cellphone or from any app that supports the Time-based One-Time Password (TOTP) protocol. Backup codes also available.
https://www.facebook.com/help/www/148233965247823
Instructions on how to require a special login code, sent to a mobile phone, each time a user try to access a Facebook account, from a new computer or mobile phone.
http://www.google.com/landing/2step/
Sign in to a Google Account with both a password and a code that the system will send to a landline phone or cellphone, via SMS or call. Backup codes, and offline code generators for Android, iPhone, or BlackBerry also available.
http://windows.microsoft.com/en-us/windows/two-step-verification-faq
Instructions on how to require an extra security code before authenticating to a Microsoft account.
https://www.paypal.com/us/cgi-bin?cmd=xpt/Marketing_CommandDriven/securitycenter/PayPalSecurityKey-outside&bn_r=o
Introduces "Security key" and "Mobile phone security key", to protect accounts from unauthorized access by requiring a code from a device that generates codes, or a mobile phone.
https://support.twitter.com/articles/20170388-using-login-verification
Feature that helps to keep an account more secure. Instead of relying on just a password, login verification introduces a second check to make sure that you and only you can access your Twitter account.
Home > Computers > Security > Authentication > Multi-factor Authentication > Vendor Specific
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