Developing Secure Code

You have designed the general application architecture and performed threat modeling to identify potential vulnerabilities.


  • Prevent Memory Errors Video — 00:08:37
  • Follow Best Practices for Secure Coding Video — 00:15:00
  • Activity: Researching Secure Coding Best Practices Video — 00:08:27
  • Maintain Secure Formatting and Resource Access Video — 00:11:46
  • Activity: Preventing a Race Condition Video — 00:06:24
  • Prevent Privacy Vulnerabilities Video — 00:13:43
  • Prevent Memory Errors, Part 2 Video — 00:06:48
  • Activity: Handling Privacy Defects Video — 00:04:36
  • Prevent Platform Vulnerabilities, Part 1 Video — 00:04:36
  • Prevent Platform Vulnerabilities, Part 2 Video — 00:11:42
  • Activity: Staging an XSS Attack on the Web App Video — 00:09:27
  • Prevent Mobile Platform Vulnerabilities Video — 00:09:27
  • Prevent Mobile Platform Vulnerabilities, Part 2 Video — 00:12:04
  • Prevent IoT Platform Vulnerabilities Video — 00:03:19
  • Prevent Desktop Platform Vulnerabilities Video — 00:09:44


Course description

You have followed a risk management process to identify how you will deal with each vulnerability, including specific countermeasures that you have incorporated into the design. Now it’s time to start coding. In this course, you will follow best practices for secure coding, prevent defects that lead to security vulnerabilities common to various platforms, and prevent defects that lead to privacy vulnerabilities.

Meet the author

Chrys Thorsen is a technology and education consultant with 25 years of experience. Her work has taken her around the U.S. and overseas, including as a contractor for the CDC using technology to help fight HIV/AIDS in Africa.

During her career, she has acquired 40 IT certifications, authored over 25 textbooks on a wide range of IT subjects, including secure iOS and Android coding, and created an equal number of IT-related video courses. When not working, Chrys enjoys reading scientific articles and experimenting with Internet-of-Things devices. She currently lives in Virginia with her sister, her cat and her dog which, as she describes it, “have the worst sibling rivalry imaginable.”

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