Deploy from the Twilio CodeExchange

CodeExchange makes it easy to get started with any app. It’s a searchable directory of customizable code samples, written by developers around the world, vetted by Twilio experts, and ready for you to use. Checkout the Twilio challenge page for more details and submit your finished work to our devpost page!

Finish up the Twilio Challenge

Finish up the Twilio Security Week Challenge If you needed some more time to finish up this week’s Twilio's challenges, now's your chance. Earn some points by submitting any of this week's previous challenges to our day of form! "

Finish the Secure Code Game Challenge!

Did you miss out on the opportunity to finish any of the Secure Code Game levels throughout the week? Well now's your chance to catch up! Check out the challenge repository for instructions and submit your code to our devpost page when you're finished!"

Encrypt a File

Write a script that encrypts and decrypts a file! Submit on hackp.ac/DailyDevpost

Building your Own Password Generator and Manager

Build your own application to manage and create strong passwords! Submit on hackp.ac/DailyDevpost

Day 5 Challenge - Submissions Closed - Secure Code Game Level 5

Secure Code Game Level 5: Locanda! It's a common myth that passwords should be complex. In reality, it's more important that passwords are long. Some people choose phrases as their passwords. Users should avoid common expressions from movies, books, or songs to safeguard against dictionary attacks. Your password may be strong, but for this exercise, a website you have registered with has made a fatal but quite common mistake. Can you spot and fix the bug? Good luck! Check out the challenge repository for instructions and submit your code to our devpost page when you're finished!

Day 5 Challenge - Submissions Closed - First Phone Call

Make your first outbound phone call using curl! Making an outbound phone call is a similar process to what we did on Day 2 to look up a phone number. Checkout the instructions and when you're done, submit your work to our devpost page! "

Submissions Closed - Day 4 Challenge - Two-Factor Authentication

Create your own system that implements two-factor authentication, asking users to provide two different forms of identification! Share your project on hackp.ac/DailyDevpost.

Submissions Closed - Day 4 Challenge - Your first phone call

Receive your first phone call using TwiML bins and Dev Phone TwiML (Twilio Markup Language) is a special markup language which you can use to program actions in Twilio. Today you will: Buy two Twilio numbers Install the Dev Phone Create a TwiML bin to handle a phone call. Assign the TwiML bin to your Twilio number. Make a call using Dev Phone. Read the challenge instructions to get started and submit your work to hackp.ac/DailyDevpost

Submissions Closed - Day 4 Challenge - Secure Code Game Level 4

Secure Code Game Level 4: Data Bank Databases are essential for our applications. However, malicious actors only need one entry point to exploit a database, so defenders must continuously protect all entry points. Can you secure them all? Check out the challenge repository for instructions and submit your code to hackp.ac/DailyDevpost when you're finished!

Submissions Closed - Day 4 Challenge - Get Started with the Secure Code Game

Using python and other tools, you'll learn how to fix vulnerabilities in real-world code, build security into your workflows, and understand security alerts generated against your code!

Head over to the Secure Code Game repository to complete your challenge setup!

Be sure to submit your code to the GHW Devpost page!

Day 3 Challenge - Submissions Closed - Install the Authy App

Twilio’s Authy is a free application for 2FA. You can use it to protect your personal accounts with a strong second factor known as TOTP. Learn how to complete this challenge on Twilio's challenge page! Don't forget to submit your work to hackp.ac/dailydevpost

Day 3 Challenge - Submissions Closed - Implement a Caesar Cipher

Build your own Caesar Cipher encryption/decryption program. Submit your code on hackp.ac/DailyDevpost

Day 3 Challenge - Submissions Closed - Create a password strength checker

Write a script that evaluates the strength of a password. To make this more challenging, try using a language you've never programmed in before! Submit on hackp.ac/DailyDevpost

Day 3 Challenge - Submissions Closed - Auditing and Fixing

Learn about how to audit and fix website vunerabilities! You can research the topic or implement a fix of your own! Share what you discovered on hackp.ac/DailyDevpost!

Day 3 Challenge - Submissions Closed - Secure Code Game Level 3

Secure Code Game Level 3: Social Network The following fictitious story takes place in the mid-2030s. Authorities worldwide have become more digitized. Various governments are adapting social network technology to fight crime. The goal is to establish local communities that foster collaboration by supporting citizens with government-related questions. Other features include profile pictures, hashtags, real-time support in comments, and public tip sharing. Do you have what it takes to secure the social network and progress to Level 4? Check out the challenge repository for instructions and submit your code to hackp.ac/DailyDevpost when you're finished!

Day 2 Challenge - Submissions Closed - Secure Code Game Level 2

Secure Code Game Level 2: Matrix! At the time ""The Matrix"" was first released in 1999, programming was different. In the movie, a computer programmer named Thomas ""Neo"" Anderson leads the fight in an underground war against powerful computers who have constructed his entire reality with a system called the Matrix. Do you have what it takes to win that war and progress to Level 3? Check out the challenge repository for instructions and submit your code to hackp.ac/DailyDevpost when you're finished!

Day 2 Challenge - Submissions Closed - Write an Encryption Algorithm

Use any language of your choice to write an encryption algorithm! Submit your code on hackp.ac/DailyDevpost when you've finished!

Day 2 Challenge - Submissions Closed - Send and check a verification one-time passcode

Verify is Twilio’s purpose built API for sending and checking one-time passcodes (OTPs). It’s built on top of Twilio’s SMS API, but manages a lot of complexity for you so you don’t have to write as much code to make it work.

Today you will:

Create a Verify Service
Send a Verification over SMS or WhatsApp
Check the Verification

Read more for the challenge instructions! Don't forget to submit your work to our day-of devpost. "

Day 1 Prize - Submissions Closed - Lookup a phone number

You can learn a lot from a phone number. So Twilio built an API for that!

Today you will:

Learn how to use curl to make HTTP requests.
Build a curl request that will fetch phone number information using the Twilio API.

Check out the step by step instructions and submit your code to hackp.ac/Devpost!

Day 1 Prize - Submissions Closed - Secure Code Game Level 1: Black Friday

A few days before the massive shopping event Black Friday, an electronics shop without an online presence rushed to create a website to reach a broader customer base. As a result, they spent all their budget on development without investing in security. Do you have what it takes to fix the bug and progress to Level 2?

Check out the challenge repository for instructions and submit your code to hackp.ac/Devpost when you're finished!

Day 1 Prize - Submissions Closed - Try GNU Privacy Guard

Try using GNU Privacy Guard! GNU Privacy Guard (AKA GPG) is a popular tool for encrypting files. Join Wei's live session or watch the recap to see an example! Submit on Devpost!