Two-Factor Authentication ASP.NET MVC 4 Registration with Twilio SMS

This is a guest post by Long Le, a .NET Enterprise Architect and Solutions Architect at Computer Sciences Corporation. Originally posted on Long’s personal blog found here, Long is an avid blogger and a serious Modern Warfare 3 Gamer. Make sure to follow his code and gaming conversations on Twitter @LeLong37. Some sites such as live.com, gmail.com will require a multi-step registration and/or forgot password workflows… Read More

Gryphn Secure Messaging: SMS Messages Secure Enough for SWAT

Sometimes a text is just a text. But, sometimes a text contains confidential, time sensitive information about Abbeville County, South Carolina’s SWAT team’s rallying point. When you’re worrying about bad guys with guns, you’d rather not dwell on the security of your text message. The three friends who founded the mobile security company Gryphn are working to make texting more secure for the Abbeville SWAT team, and… Read More

CloudPassage Increases Cloud Security With Multi-factor Authentication

One of the unfortunate truths of cloud computing is that major improvements in efficiency and scalability have come at a cost. While cloud computing has made it many times easier to start and run a business, it’s also made it many times more risky. Your business can be attacked by anyone from anywhere, and unless you can find a computer security specialist to help you out,… Read More

Two-Factor Authentication with Node.js and Twilio

Two-factor authentication is becoming the go-to method for increased login security on the web, as it ties a physical device to your virtual credentials. It is being adopted by many of the major players in the industry, including Intuit, Google and Facebook. While user security is paramount, modern web developers must also consider the UX problems that can arise from increased security measures. Since UX is becoming increasingly important,… Read More

Build a Simple Phone Verification System with Twilio, PHP, MySQL, and jQuery

Verifying the phone numbers of your users is a fast, effective way to tamp down on fraud and spam accounts. Here’s how to build such a system in a hurry using Twilio Voice, PHP, MySQL and jQuery. (update: we also have a tutorial on how to build SMS phone verification into a Rails 4 app.) Below are highlights to the most important elements but you can download the complete example here…. Read More

How to Build Phone-based Two-Factor Authentication With Twilio

 Security is one of the most frustratingly vital and complex things we have to deal with in application development. On one side, we have make sure our information is protected against corruption and unauthorized access while at the same time, we need to make sure the right people have access to the right data at the right time. Failure in either direction will cause annoyance and… Read More

Simple Phone Verification with Twilio, PHP, MySQL and jQuery

See the most updated version of these instructions and sample code here or read the tutorial on how to build phone verification in a Rails app.  As more and more applications integrate with phones there is an increasing need to verify phone numbers to help prevent spam, fraud and other dubious activities. In these cases it’s common to use an automated phone verification system to present the… Read More