NIST CSF, 800-53 & 800-171 Compliance Consulting
Protect what matters with NIST CSF, 800-53 & 800-171 Compliance Consulting
NIST compliance consulting helps organisations adopt and demonstrate alignment with the U.S. National Institute of Standards and Technology’s security frameworks — the NIST Cybersecurity Framework (CSF) 2.0, the NIST SP 800-53 control catalogue and NIST SP 800-171 for protecting controlled unclassified information (CUI). Aesparrow performs NIST CSF assessments and gap analyses, builds target profiles and implements the controls needed to close gaps.
NIST CSF 2.0 organises cybersecurity outcomes into six functions — Govern, Identify, Protect, Detect, Respond and Recover. We measure your current profile against a target profile, prioritise the gaps by risk, and then implement and test the supporting controls from NIST SP 800-53 or 800-171, including the technical testing that proves they work.
- Certified senior practitioners
- Audit-ready reporting
- Free re-test included
NIST CSF, 800-53 & 800-171 Compliance Consulting — done right, the first time.
Senior practitioners. Verified findings. Free re-test.
NIST services we provide
- NIST CSF assessment — maturity scoring across Govern, Identify, Protect, Detect, Respond and Recover
- NIST gap analysis — control-by-control gaps with risk ratings and remediation plan
- NIST CSF implementation — policies, processes and technical controls
- NIST 800-53 assessment — control baseline selection and implementation review
- NIST 800-171 compliance — CUI safeguarding, System Security Plan (SSP) and POA&M support
- NIST internal audit — independent testing of control effectiveness
Why choose Aesparrow for NIST compliance
- 1
Profile-driven
Current and target CSF profiles that turn the framework into a funded roadmap.
- 2
Control-level depth
Mapping to NIST SP 800-53 and 800-171 controls with evidence.
- 3
Testing included
Control testing and VAPT to validate technical safeguards.
- 4
Cross-framework
NIST work mapped to ISO 27001, SOC 2 and CMMC.
Whether NIST alignment is a customer requirement, a government contract obligation or simply the framework you want to run your security programme on, our NIST compliance consultants can take you from assessment to implementation.
Why NIST CSF, 800-53 & 800-171 Compliance Consulting matters
Independent research on the cost and causes of breaches — the risks this service helps you reduce.
US$4.44M
global average cost of a data breach in 2025.
241 days
mean time to identify and contain a breach in 2025.
20%
of breaches began with exploitation of a vulnerability, up 34% in a year.
Frequently Asked Questions
What is the NIST Cybersecurity Framework?
What is the difference between NIST 800-53 and NIST 800-171?
Can you certify us against NIST?
Ready to secure your business with NIST CSF, 800-53 & 800-171 Compliance Consulting?
Book a free, no-obligation consultation with an Aesparrow practitioner. We’ll scope your needs, explain the approach, and share indicative timelines — no sales script.
Standards & references
Related services
Guides & answers
From our blog
Critical Veeam Vulnerability Exploited to Spread Akira and Fog Ransomware
Threat actors are actively attempting to exploit a now-patched security flaw in Veeam Backup & Replication to deploy Akira and Fog ransomware.
OilRig Exploits Windows Kernel Flaw in Espionage Campaign Targeting UAE and Gulf
The Iranian threat actor known as OilRig has been observed exploiting a now-patched privilege escalation flaw in the Windows kernel in an espionage campaign targeting the UAE and the wider Gulf region.
Supply Chain Attacks Can Exploit Entry Points in Python, npm, and Open-Source Ecosystems
Cybersecurity researchers have found that entry points could be abused across multiple programming ecosystems like PyPI, npm, Ruby Gems, NuGet.
Let’s find the gaps before someone else does.
Tell us what you need tested for a fixed-scope quote, or talk it through with an Aesparrow practitioner — no obligation, no sales script.