NIST Cybersecurity Guide for Small Businesses Without IT Staff

The National Institute of Standards and Technology (NIST) has issued cybersecurity guidance tailored for small businesses that do not employ IT professionals. This includes sole proprietors, freelancers, and independent contractors. According to the U.S. Small Business Administration’s Office of Advocacy, approximately 82% of the 34.8 million small businesses in the U.S. fall into this category.

The publication emphasizes that solopreneurs often lack cybersecurity expertise, prompting the development of a resource designed to address their unique needs.

Key Recommendations for Account Protection and Incident Preparedness

The guide aims to equip business owners with actionable steps requiring minimal technical knowledge or financial investment. The document, titled *Small Business Cybersecurity: Non-Employer Firms*, adapts the NIST Cybersecurity Framework (CSF) 2.0 to help owners manage risks. It assumes no prior familiarity with cybersecurity principles or the CSF, focusing on foundational education.

Multi-Factor Authentication (MFA) and Passphrases

NIST advises business owners to catalog all devices, accounts, software, and services critical to operations. Understanding access controls and potential impacts of breaches or outages helps prioritize protections. The guide mandates enabling multi-factor authentication (MFA) on all available accounts, favoring phishing-resistant methods for high-risk accounts such as banking and cloud storage. It encourages the use of passkeys where possible and the adoption of unique 15-character passphrases for each account.

Software Updates, Backups, and Training

Owners are also instructed to maintain up-to-date software, use standard accounts with MFA for routine tasks, and implement regular data backups. Backups must be secured, tested, and protected against unauthorized access. Training in identifying phishing and ransomware tactics is emphasized. The guide recommends keeping physical contact lists for legal or incident response professionals and revisiting security strategies as tools, vendors, or risks evolve.

Applying the NIST Cybersecurity Framework 2.0

The CSF 2.0 organizes cybersecurity efforts into six functions: Govern, Identify, Protect, Detect, Respond, and Recover. The guide demonstrates how solopreneurs can apply these functions based on budget constraints, system configurations, and compliance requirements.

Govern and Identify Functions

The *Govern* and *Identify* functions help owners prioritize risks by documenting legal, regulatory, and contractual obligations. They are encouraged to assess systems and evaluate the likelihood and impact of scenarios such as account takeovers, data exposure, or service disruptions. This analysis informs risk mitigation strategies.

Protect and Detect Functions

The *Protect* and *Detect* functions focus on reducing vulnerabilities and monitoring for threats. For example, an online retailer might secure accounts controlling storefronts and payment systems, enable alerts for suspicious activity, and use logs to investigate anomalies.

Respond and Recover Functions

The *Respond* and *Recover* functions outline post-incident procedures. During response, owners should document detection timelines, actions taken, and preserve evidence such as logs and screenshots. Affected devices may need to be isolated to prevent further damage. Recovery involves verifying the safety of backups and other resources before restoring operations.

Additional Context on Cybersecurity Best Practices

The guide underscores the importance of asset discovery and continuous risk assessment. It highlights the need for small businesses to adapt frameworks to their specific operational contexts while maintaining compliance with evolving threats. The publication serves as a foundational resource for enterprises with limited cybersecurity infrastructure, bridging gaps in expertise and resource availability.