System or software vulnerabilities.

  Ensuring that a system is free from vulnerabilities is a constant challenge; even more so in large, complex computing environments that depend on a myriad of software and hardware configurations. However, IT security professionals and hackers alike can leverage and exploit system vulnerabilities. Discuss the importance of detecting and protecting against system or software vulnerabilities. Also, discuss and provide an example on how hackers exploit system and software vulnerabilities to conduct an attack.