Contact us
Call: 855-482-4348
Hours for live chat and calls:
Sun 8 p.m. - Fri 8:30 p.m. CST
Email: ITCSC@gsa.gov
An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock
( )
or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
About HACS
MAS Solicitation: IT Services — SIN 54151HACS
NAICS: 541519 — Other Computer Related Services
PSC: DJ01 — IT and Telecom — Security and Compliance Support Services (Labor)
Vendor list (eLibrary)
Eligible users: Federal, state, local, and tribal governments
With Highly Adaptive Cybersecurity Services, or HACS, your agency can:
HACS includes proactive and reactive cybersecurity services and supports government-wide priorities like Application Security Testing and Zero Trust Architecture.
HACS vendors are categorized under five subgroups for market research purposes:
Always check a contractor's GSA price list to verify and confirm availability of awarded products and services.
Agencies can order through eBuy and GSA Advantage and issue an RFI or RFQ to vendors using Special Item Number 54151HACS.
Combine SINs to meet your requirements or try a blanket purchase agreement to easily fill recurring needs. You can also set aside the requirement for one or more socio-economic categories including but not limited to small businesses, veteran-owned businesses, and women-owned businesses.
Need support or subject matter expertise? Reach our team at ITSecurityCM@gsa.gov.
HACS templates provide typical language for a cybersecurity solicitation, and material from these examples can be copied and pasted directly into sections 3.0 and 4.0 of the RFQ template.
Submit a modification to add a SIN in the eOffer/eMod portal.
Follow the MAS Roadmap to prepare and send an offer.
Some vendors may require a HACS self-attestation [PDF - 103 KB] to apply for the HACS High Value Assessments subcategory.
All vendors must pass an oral technical evaluation before they can be awarded the HACS SIN:
You may not be subject to HACS oral technical evaluation if:
Join our IT security Interact community for news and updates for agencies and industry.
Call: 855-482-4348
Hours for live chat and calls:
Sun 8 p.m. - Fri 8:30 p.m. CST
Email: ITCSC@gsa.gov