Application Security Whitepaper

White Paper

Security Best Practices in Application Development

An Exploration of Solutions and Areas for Growth for Custom Application Security

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White Paper Topics

This white paper provides key takeaways for application stewards and software leaders to improve application security, with examples of common application security liabilities and suggestions for remediation. Topics include:

  • An in-depth look into Security Culture and the importance of the people element in adopting a security-first outlook
  • An explanation of common application practices we frequently see in the wild that can be inherently risky, with suggestions for best practices
  • A security checklist to determine critical areas of higher risk to prioritize in your journey to a more secure application
  • An explanation of the security Surface Area and how to minimize it starting from your source code
  • Strategies to protect Authentication and Authorization and a discussion of Third-Party solutions vs. rolling your own auth
  • A deep dive into built-in Application Security and an exploration of strategies that might help your business, including Network-Level Security, WAF, Payload Encryption, SSL, Cloud Configuration, and SIEM


This white paper explores areas of growth that stewards of custom applications can use to ensure the business data they collect and store on behalf of their end-users will be more secure than it is today.

No technical director or leader wants their company to be the next data breach headline. The techniques presented in this white paper can make great strides to mitigate that risk and ensure the most advantageous return on investment while sustaining business continuity.

Executive Summary

To move faster, many development teams have turned to automation, cloud technologies, microservice architectures, and open-source code to scale and accelerate the software solutions they provide in the marketplace. While this increases the speed at which software is developed, the caveat that comes with it is the introduction of new complexities and risks.

From well-publicized critical infrastructure attacks to significant supply chain breaches, enterprise software leaders know that nefarious actors constantly find new ways to target confidential information in applications.

In this ever-evolving modern application development landscape, security can no longer be just a checklist that is seldom reviewed. Security must now be ingrained in the culture, just as important to the software development life cycle as peer code reviews and proper linting.

Due to our company’s exposure to a vast array of client structures, industries, and sizes, Keyhole Software consultants are uniquely positioned to understand the mounting needs of business stakeholders. Frequently we work with clients to speed up the TTM (time to market) and meet the requirements of enterprise architects and Information Security professionals on the applications we help build.

We take that expertise to present to you this white paper. Our goal is to provide key takeaways that software leaders can implement to lessen the surface areas in which organizations risk application vulnerabilities.

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