What does the concept of security by design entail?

The concept of security by design entails integrating security considerations throughout the software development process from the very beginning. By embedding security into the design and development phases, potential vulnerabilities can be identified and mitigated early, reducing the risks of security breaches and ensuring that security is a fundamental aspect of the product rather than an afterthought.

Incorporating security mechanisms and best practices at every stage of development helps in creating more resilient systems. This approach also encourages collaboration among development and security teams, fostering a culture of security awareness and proactive management of risks.

The other options highlight practices that do not align with the proactive nature of security by design. For instance, forming a separate security team after product development can lead to missed vulnerabilities that could have been addressed early on. Similarly, implementing security measures only during the testing phase or applying security updates after the product is released fails to provide the fundamental integration of security needed to mitigate risks throughout the software lifecycle.