Which of the following is a key component of a successful security strategy?

A key component of a successful security strategy is regularly applying security updates and patches. This practice is essential because it addresses known vulnerabilities within software and systems. Software vendors frequently release updates to fix security flaws that could be exploited by attackers. By consistently applying these updates, organizations can significantly reduce their attack surface and protect sensitive data.

Furthermore, timely application of patches helps ensure compliance with industry regulations and standards, which often require maintaining up-to-date security measures. Regular updates not only safeguard systems against existing threats but also help prevent future attacks as new vulnerabilities are discovered.

In contrast, relying on default system settings can compromise security since these settings are often well-known and targeted by attackers. Minimizing network traffic does not directly address security vulnerabilities; instead, it could lead to performance issues without necessarily improving security. Finally, encouraging user complacency undermines security awareness, which is crucial for preventing social engineering attacks and promoting responsible usage of systems and data.