Which action aims to discourage potential intruders from attempting a breach?

The action that aims to discourage potential intruders from attempting a breach is "Deter." This concept is grounded in security strategies that focus on making potential threats think twice before attempting an unauthorized action. By deploying measures that clearly signal the unacceptability of intruding, such as visible security features, warning signs, and robust access controls, an organization can create an environment that discourages criminals from even thinking about committing a breach.

Deter strategies can include physical barriers, surveillance systems, and clearly communicated consequences for security violations. The goal is to instill a perception of risk in the intruder's mind, thereby reducing the likelihood of an attempted breach.

In contrast, the other options represent different security strategies: denying access focuses on preventing entry, delaying aims to slow down an intruder once they have attempted a breach, and detecting involves identifying intruders after they have entered. While all these strategies play a role in a comprehensive security approach, it is "Deter" that specifically targets the prevention of attempts by making intruders reconsider their actions before they even begin.