# DISA Contract Opportunities #HC108426F0066

DISA seeks Tenable ACAS renewal, Enclave Security, and OT Security

**Buyer:** DITCO Scott, Information Technology
**Posted:** October 22, 2026
**Identifier:** HC108426F0066
**NAICS:** 423430

DISA is seeking a five-year renewal and expansion of its Tenable security solutions.
- **Buyer and offices:** Defense Information Systems Agency (DISA), through DITCO Scott, Information Technology; DISA PAE Cyber is the requiring office.
- **OEM:** **Tenable** is the manufacturer of the requested solutions.
- **Requested products:**
  - Tenable Assured Compliance Assessment Solution (ACAS) subscription license renewal; quantity and part number are not specified.
  - Tenable Enclave Security; quantity and part number are not specified.
  - Tenable OT Security for operational technology; quantity and part number are not specified.
- **Notable requirements:** The opportunity is a re-compete with a five-year period of performance. Work is anticipated at Ft. Meade, Maryland.
- **Estimated value:** $100 million to $249.99 million.

### Description

The requirement is for the acquisition of Tenable core solutions and add-on features for DISA. It includes renewal of the Assured Compliance Assessment Solution (ACAS) subscription license, Enclave Security, and OT Security. The anticipated vehicle is a NASA SEWP delivery order, with a single anticipated award and a five-year period of performance. The anticipated place of performance is Ft. Meade, Maryland.

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