Published at LXer:
PhoneFactor is the leading global provider for phone-based two-factor authentication and has developed a simple, effective and efficient two-factor security system which ensured protection against today’s biggest threats. The latest version of PhoneFactor features a multi-factor authentication system. They also provide API’s (SDK’s) in PHP and Perl, as well as Ruby and Java, which means it is very compatible with your Linux server.
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