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Error Handling

This course describes how poor error handling can be exploited and possible mitigations for this problem.

7 videos  //  28 minutes of training

Course description

Handling potential errors in code is essential to protecting against many of the attacks described in this learning path. However, developers need to maintain a careful balance between providing too much and too little information in error messages. This course describes how going too far in one direction or another can leave an application vulnerable to attack.

Course syllabus

Introduction to Error HandlingDuration: 1:38

This video provides an introduction to the error handling course.

Introduction to ErrorsDuration: 2:18

This video covers the fundamentals of errors.

Poor Error HandlingDuration: 7:27

This video describes how poor error handling can make an application vulnerable to attack.

Exploiting Poor Error HandlingDuration: 3:21

This video describes how poor error handling can be exploited by an attacker.

Error Handling Case StudyDuration: 3:09

This video describes a case study of an application that handles errors poorly.

Handling Errors ProperlyDuration: 6:50

This video describes how to handle errors properly.

Poor Error Handling DemoDuration: 3:14

This video demonstrates exploitation of poor error handling.

Meet the author

Howard Poston


Howard Poston is a cybersecurity researcher with a background in blockchain, cryptography and malware analysis. He has a master's degree in Cyber Operations from the Air Force Institute of Technology and two years of experience in cybersecurity research and development at Sandia National Labs. He currently works as a freelance consultant providing training and content creation for cyber and blockchain security. He can be reached by email at or via his website at

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FireEye, Inc.

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Plans and pricing





$599 / license

Annually. Includes all content plus team admin and reporting.