Specialized Security Services (S3)
HQ: United States · 2 frameworks · 1 office · Verified
Last checked · 4 sources · How we verify
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Plano, Texas security firm listed as a PCI Qualified Security Assessor (QSA) company and an authorized CMMC Third-Party Assessment Organization (C3PAO).
This listing is a set of checked facts. It is not an endorsement, ranking or score, and it is not legal or audit advice.
Offices
- Plano, Texas, United States (HQ country)
Frameworks
A framework appears only when an official registry listed this firm at last check. Tags are not a certification of your organisation.
Accreditations and registry listings
| Registry | Record | Checked |
|---|---|---|
| PCI SSC Qualified Security Assessor list | Listed as QSA company: Specialized Security Services, Inc. (not in remediation) | |
| Cyber AB Marketplace - C3PAO | Listed as C3PAO: Specialized Security Services, Inc. (Plano, TX); active and in good standing |
FAQ (from this dataset)
Is Specialized Security Services (S3) accredited for PCI DSS?
Listed as QSA company: Specialized Security Services, Inc. (not in remediation) (PCI SSC Qualified Security Assessor list: https://www.pcisecuritystandards.org/assessors_and_solutions/qualified_security_assessors/). Confirm on the registry.
Is Specialized Security Services (S3) accredited for CMMC?
Listed as C3PAO: Specialized Security Services, Inc. (Plano, TX); active and in good standing (Cyber AB Marketplace - C3PAO: https://cyberab.org/Catalog). Confirm on the registry.
Where is Specialized Security Services (S3) located?
Specialized Security Services (S3) publishes headquarters in United States and lists an office in Plano, United States.
Sources
- s3security.com/
- s3security.com/privacy-policy/
- pcisecuritystandards.org/assessors_and_solutions/qualified_security_assessors/
- cyberab.org/Catalog
Last checked 21 Oct 2026. Spotted an error? Submit a correction or email [email protected].
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