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Security clearance · Confidential level

Confidential Clearance

The Confidential clearance is the lowest level of security clearance, granting access to information whose unauthorized disclosure could cause damage to national security. This is the entry-level clearance used across DoD and other agencies for personnel who need limited access to classified materials.

Some defense contracts require Confidential clearances for personnel handling classified material at the lowest level. This clearance is relatively quick to obtain and is common for manufacturing, logistics, and administrative support contracts where limited classified access is needed.

Level
Confidential level
Investigation
Tier 1 (T1) — National Agency Check with Written Inquiries (NACI)
Typical processing time
1-3 months
Eligibility
5 requirements, starting with u.s. citizenship required

Reference record · Sources: Federal personnel vetting standards · Covers definition, eligibility, investigation, processing time

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Confidential Clearance

Security Clearance

The Confidential clearance is the lowest level of security clearance, granting access to information whose unauthorized disclosure could cause damage to national security. This is the entry-level clearance used across DoD and other agencies for personnel who need limited access to classified materials.

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Confidential Clearance Government Contracts & Federal Records

Federal activity overview — Confidential Clearance
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Confidential Clearance

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About Confidential Clearance

The Confidential clearance is the lowest level of security clearance, granting access to information whose unauthorized disclosure could cause damage to national security. This is the entry-level clearance used across DoD and other agencies for personnel who need limited access to classified materials.

Explore all federal records for Confidential Clearance — contracts, grants, spending, research, and more.

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Why does Confidential Clearance (C) matter?

The Confidential clearance is the lowest level of security clearance, granting access to information whose unauthorized disclosure could cause damage to national security. This is the entry-level clearance used across DoD and other agencies for personnel who need limited access to classified materials.

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Abbreviation

C

Level

Confidential / Public Trust

Processing Time

1-3 months

Investigation Type

Tier 1 (T1) — National Agency Check with Written Inquiries (NACI)

Eligibility Requirements

  • U.S. citizenship required
  • Submit SF-86 (Questionnaire for National Security Positions)
  • National Agency Check (NAC) and credit check
  • Written inquiries to employers, schools, and references covering most recent 5 years
  • Reinvestigation every 15 years

Impact on Federal Contracting

Some defense contracts require Confidential clearances for personnel handling classified material at the lowest level. This clearance is relatively quick to obtain and is common for manufacturing, logistics, and administrative support contracts where limited classified access is needed.

Other Confidential / Public Trust Clearances

Public Trust (Moderate Risk)MBIPublic Trust (High Risk)HBINACI (National Agency Check with Inquiries)NACI

Other Clearance Levels

Secret ClearanceSTop Secret ClearanceTSTop Secret / Sensitive Compartmented InformationTS/SCISpecial Access ProgramSAP

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Frequently Asked Questions

How do I track new opportunities for Confidential Clearance?
Create a free Bureauify account to save this search, set up email alerts for new postings, and track deadlines. All data is sourced from SAM.gov, USAspending, FPDS, and Grants.gov.
How often is this data updated?
Each source is refreshed on its own schedule — SAM.gov and USAspending daily or more often, FPDS and Grants.gov on their publication cadence. Every page shows the last refresh for its records.
Cite this page
Bureauify. (2026). Confidential Clearance — Federal Contract Intelligence. Bureauify Federal Intelligence. Retrieved , from https://bureauify.com/security_clearance/confidential

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Primary: DCSA, OPM. Supplemented by 110+ federal data feeds including GAO, IG reports, Federal Register, and agency forecasts.

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Processing

Records are normalized, deduplicated, and enriched with NAICS descriptions, agency hierarchies, and set-aside classifications. Semantic embeddings enable concept-based search beyond keyword matching.

Disclaimer

Data is sourced from official federal systems and refreshed regularly. Verify critical details on the originating agency website before making business decisions.

This security_clearance page aggregates data across all indexed federal sources.

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