Howard Poston

Howard Poston is a cybersecurity researcher with a background in 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 R&D at Sandia National Labs. He currently provides consulting and technical content writing for cybersecurity, cryptocurrency, and blockchain.

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Application security January 6, 2021 Howard Poston

Pysa 101: Overview of Facebook’s open-source Python code analysis tool

Pyre is a performance type-checker created by Facebook for the Python programming language. It is designed to rapidly identify type errors within Python applications. The...

Secure coding January 6, 2021 Howard Poston

How to mitigate Race Conditions vulnerabilities

Race condition vulnerabilities can exist when an application has multiple threads of execution that are running in parallel. This can occur either internal...

Application security January 5, 2021 Howard Poston

Improving web application security with purple teams

The cybersecurity industry - and especially the area of security assessments - is very fond of color-based terms. Organizations can undergo whitebox or...

Secure coding January 4, 2021 Howard Poston

Race Conditions Exploitation Case Study

Race condition vulnerabilities exist if an application uses multiple threads or processes to perform actions in parallel in an unsafe fashion. If this occurs...

Secure coding January 4, 2021 Howard Poston

How to exploit race conditions

Race conditions vulnerabilities can exist in applications that contain parallel processing. These vulnerabilities exist if multiple threads of execution do...

Management, compliance & auditing December 22, 2020 Howard Poston

Role and purpose of threat modeling in software development

Threat modeling is an exercise designed to identify the potential cybersecurity threats and attack surface of an application. By working through the threat...

Secure coding December 7, 2020 Howard Poston

How to Mitigate Integer Overflow and Underflow Vulnerabilities

Integer overflow and underflow vulnerabilities are simple but extremely powerful vulnerabilities. They exist when the value stored within a variable lies...

Secure coding December 7, 2020 Howard Poston

Integer Overflow and Underflow Exploitation Case Study

Integer overflow and underflow vulnerabilities are simple but dangerous flaws within an application. These vulnerabilities become a problem when values...

Secure coding December 7, 2020 Howard Poston

How to Exploit Integer Overflow and Underflow

Integer overflow and underflow vulnerabilities can exist because of how memory and variables are handled in programming languages. Variables are designed...

Secure coding November 25, 2020 Howard Poston

Introduction to Parallel Processing

In the beginning, computers had a single processing core and were single-threaded. While these computers would be able to run multiple applications “in...

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