There is a better way to build secure software

Master building defensive software from the ground-up.

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Our Method

Defensive by Design

Don't chase after security bugs in your code! Learn defensive design patterns to eliminate the root cause.

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Write Defensive Tests

Find edge cases that result in security vulnerabilities and write defensive tests so they get eliminated once and for all.

Write Defensive Tests

Continuous Learning

Skills improve through continuous practice. Our online platform is filled with exercises and a workout schedule to build your secure programming muscles!

Practice make Perfect

Defensive By Design

Snippets from our graduates defensive code.

Wondering why they coded this way? Find out at one of our upcoming workshops.

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Upcoming Workshops

Humanity will benefit from defensive code. Start your journey today.


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A platform to learn and practice defensive programming using bite-size online courses

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