Security Controls
What is Security Controls?
Security controls are the safeguards, countermeasures, and practices used to reduce risk, protect assets, and influence how people, systems, and processes behave in a secure environment.
Examples
- A company uses multifactor authentication, written access policies, staff training, and locked server rooms as different security controls working together.
- A firewall blocks unapproved traffic, while logging and alerting help detect suspicious connections that still reach the network.
Discover 🔎
Security does not come from one tool. It comes from many decisions and safeguards working together. Some controls stop attacks directly. Some make attacks easier to detect. Some reduce damage after something goes wrong. Others guide how staff should behave long before any incident happens.
That is why the idea of a security control is so important. It gives defenders a way to think about protection in a structured way instead of treating security as a loose collection of products and policies. Once a measure is understood as a control, it can be placed in context: what kind of control is it, what problem is it meant to solve, and what role does it play in the wider security design?
Summary 📝
Security controls are the building blocks of practical defense. They can be grouped by category, which shows where they live, and by type, which shows what job they perform. The strongest security programs use a thoughtful mixture of technical, managerial, operational, and physical safeguards and ensure that prevention, detection, correction, direction, deterrence, and compensation are all represented where appropriate.
Tip: The interactive version includes progress tracking, decks, and premium deep dives.