# NIST 800-53 Overview > Understand the core purpose of NIST 800-53, its relationship with other key standards like NIST 800-171 and CMMC 2.0, and how it supports federal cybersecurity requirements. canonical: https://secureframe.com/hub/nist-800-53/overview Ensuring the security of sensitive information is a top priority for government agencies and private businesses. That’s where NIST Special Publication 800-53 comes in. This cybersecurity framework, developed by the National Institute of Standards and Technology (NIST), provides a comprehensive catalog of security and privacy controls to help organizations manage risk and strengthen their defenses against a wide range of cyber threats. Whether you’re a federal agency, contractor, or a private sector organization looking to implement best-in-class security practices, NIST 800-53 is a foundational standard. It can not only help you meet laws and contractual obligations — it can also enhance your overall security posture. Businesses outside of federal contracting can leverage NIST 800-53 to demonstrate a commitment to cybersecurity and align with industry best practices. If you’re looking to understand NIST 800-53 and its role in cybersecurity, you’re in the right place. We’ve broken down the framework in a series of straightforward, easy-to-understand articles that cover its fundamentals, related NIST 800 publications, and key differences from some of the most commonly confused standards like NIST 800-53 vs NIST 800-171. # Beginner: I'm New to NIST 800-53 **Let’s start with the basics.** Navigating federal cybersecurity requirements can be overwhelming, especially if you’re new to compliance frameworks like NIST 800-53. Whether you're a federal agency, government contractor, or a private organization handling federal data, understanding how NIST 800-53 works is essential for ensuring security and meeting compliance obligations. In this section, we’ll break down NIST 800-53 in simple terms to help you get familiar with its core principles, why it exists, and how it applies to your organization. ## What is NIST 800-53? NIST Special Publication 800-53 is a comprehensive framework developed by the National Institute of Standards and Technology (NIST) to provide federal agencies and contractors with a structured approach to securing information systems. It establishes a set of security and privacy controls designed to protect sensitive government data from cyber threats. This framework serves as the foundation for many other federal security standards, including FISMA (Federal Information Security Modernization Act) and FedRAMP (Federal Risk and Authorization Management Program). Organizations that work with federal agencies, handle Controlled Unclassified Information (CUI), or provide cloud services to the government often need to comply with NIST 800-53. ## Who created NIST 800-53 and why? NIST developed NIST 800-53 to standardize cybersecurity controls across federal agencies and government contractors. The goal is to protect critical government information and infrastructure from cyber threats by ensuring organizations follow a consistent and effective security framework. By implementing NIST 800-53, organizations improve their cybersecurity posture, reduce risk, and strengthen their ability to prevent and respond to security incidents. ## Understanding NIST 800-53 control families NIST 800-53 is built around 20 control families, covering everything from access control and risk assessment to incident response and system integrity. These controls are categorized into four baselines, one for privacy and three security baseline impact levels—Low, Moderate, and High—based on the sensitivity of the data and systems being protected. Each impact level requires organizations to implement an increasing number of security controls: - **Low-Impact Systems**: Basic security measures for less sensitive data. - **Moderate-Impact Systems**: More rigorous controls to protect sensitive data, including Controlled Unclassified Information (CUI). - **High-Impact Systems**: The most stringent controls designed for mission-critical and national security systems. ![nist 800-53 control baselines with description and controls allocated](https://images.prismic.io/secureframe-com/Z-Fe9HdAxsiBvzsv_3-NIST800-53ControlBaselines.png?auto=format,compress) ## How do you achieve NIST 800-53 compliance? Achieving compliance requires organizations to identify applicable controls, implement security measures, and continuously monitor their systems to maintain security over time. Compliance typically involves: - Conducting a risk assessment to determine applicable security controls. - Developing policies and procedures to ensure compliance with security and privacy requirements. - Implementing security controls based on the required impact level. - Performing security assessments to evaluate the effectiveness of implemented controls. Unlike some compliance frameworks, NIST 800-53 does not require formal certification. However, organizations must be able to demonstrate compliance through documentation, assessments, and audits, particularly for FISMA or FedRAMP authorization. In this section, we’ll dive deeper into the details of NIST 800-53, covering its specific security requirements, how to conduct risk assessments, and how it compares to other federal frameworks like FISMA and FIPS. By the end, you’ll have a clear roadmap to understanding and implementing NIST 800-53 compliance in your organization.