NIST 800-53 5 · ATO Specialists

Authorization to Operate, without the friction.

AvoraTech is a focused consultancy that does one thing well: guides federal contractors, civilian agencies, and FedRAMP-bound cloud providers through NIST 800-53 assessments and into a signed ATO letter.

Request an assessment Browse the 14 services
100%
Rev 5 aligned engagements
FISMA
High, Moderate & Low baselines
3PAO
Coordination experience
SAR — DRAFT
Security Assessment
Report
AC-2 Account Management
AU-6 Audit Review
CM-6 Configuration Settings
IA-5 Authenticator Mgmt
SC-8 Transmission Conf.
SI-2 Flaw Remediation
800-53A · Rev 5
OFFICIAL
FOR OFFICIAL USE ONLY
Authorization
to Operate
System
Client Cloud Platform
Impact
Moderate
Baseline
NIST 800-53 Rev 5
Term
3 Years
Authorizing Official - Signature
J. Reyes
We do one thing →
FISMA Low
FISMA Moderate
FISMA High
FedRAMP Ready
CMMC L2
CMMC L3
Services

Fourteen scoped engagements.
One authorization boundary.

Every engagement maps to a NIST 800-53 control family and a phase of the Risk Management Framework. Pick the scope that fits where you are.

See all 14 services →
Authorize
ATO Readiness Assessments
Diagnose your authorization posture before the AO ever sees it.
Assess
NIST 800-53 Control Assessments
Rev 5 control-by-control assessment against your authorization boundary.
Assess
Gap Analyses
Side-by-side of where you are vs. where your AO needs you to be.
Document
SSP Reviews
Make your System Security Plan something an AO will actually approve.
Document
POA&M Development
Plans of Action & Milestones that age well between continuous monitoring cycles.
Assess
Evidence Validation
Before the assessor finds it missing, we find it missing.
Engagement Model

A predictable path from kickoff to authorization.

Most full-scope ATO engagements land in a twelve-week window. Shorter scopes typically run two to six weeks.
01
Week 1
Scope
Boundary definition, control selection, and system categorization so everyone agrees on what is in scope before a single control is examined.
02
Weeks 2-6
Assess
Control-by-control examination, interviews, artifact review, and technical testing against the applicable baseline.
03
Weeks 6-9
Document
SAR, POA&M, SSP updates, and the supplemental artifacts that give the AO everything needed to make a risk acceptance decision.
04
Weeks 9-12
Authorize
AO package delivery, response support, and the answers to the questions you did not know they would ask.
05
Ongoing
Sustain
Continuous monitoring, significant-change analysis, and the rhythm that keeps the authorization in good standing.
Who we serve

Built for organizations whose authorization is on the critical path.

Federal Civilian Agencies
Component-level ATOs against agency-tailored 800-53 baselines.
Cloud Service Providers
FedRAMP Ready and Authorized pathways, JAB and Agency.
DoD Contractors
CMMC L2 / L3 alignment built on a real 800-53 foundation.
Research & Federally Funded R&D
Tailored authorizations for academic and FFRDC environments.
Let's talk about your authorization boundary.

Pick the services you'd like to discuss, share a few details about your system, and we'll respond within one business day.

Open the engagement form →