Company record · security vendor
Millennium Corporation
What the company sells
Millennium Corporation is a cyber-solutions company specializing in adversarial threat emulation, test and evaluation, and intelligence support operations for the Department of Defense and other federal agencies. It offers services including red teaming, penetration testing, security vulnerability assessments, and cybersecurity training, along with enterprise and software engineering support. The company is headquartered at 1400 Crystal Drive #400, Arlington, VA 22202.[2]
- Categories
- Headquarters
- Arlington, VA, United States[1]
- Founded
- Not established from our sources
- Ownership
- Not established from our sources
- CISO on record
- Not yet on our record. Send a verified source
- Website
- millgroupinc.com
Products and services
Product names as the company writes them; what each does, in our words, from the company's own product pages. Never how well it does it.
Shadow View[2]
Compiles and analyzes data from multiple sources to help secure an organization's high value targets.
Millennium Red Team[2]
Provides red team services that identify operational and cyber vulnerabilities, supporting NSA-certified Red Teams.
Cyber Operations[2]
Offensive and defensive cyber services that emulate adversary tactics targeting an organization.
Cybersecurity Training[2]
Red and blue team training, cyber ranges, and Opposing Force exercises for cybersecurity teams.
Competitors and alternatives
The other companies on our record filed under the same categories, category by category: first those that lead with that category and share more of Millennium Corporation's categories, then alphabetical. A list from the record, never a ranking.
On penetration testing and red team services, Millennium Corporation competes with NCC Group, Bishop Fox, Cobalt, REDLattice, Coalfire, Inversion6, Sygnia, Tenfold Security, AccessIT Group, Blue Mantis and 16 more.
On mdr and managed soc, Millennium Corporation competes with Inversion6, Tenfold Security, Kyndryl, Leonardo, Quorum Cyber, UltraViolet Cyber, UnderDefense, Agile Defense, Arctic Wolf, Binary Defense and 35 more.
On security consulting and advisory, Millennium Corporation competes with Coalfire, Atos, DXC Technology, GuidePoint Security, I-TRACING, IANS, Optiv, SAIC, Accenture, Airbus and 40 more.
References
Every fact above cites one of these by number. Tier A is the company itself, a regulator or a filing; tier B is trade or business press.
- [1]Millennium corporation expands cyber portfolio by acquiring maxisiq business divisionMillennium Corporation · millgroupinc.com · published May 3, 2023 · Tier A: the company, a regulator or a filing
- [2]millgroupinc.comMillennium Corporation · millgroupinc.com · undated page, accessed October 30, 2026 · Tier A: the company, a regulator or a filing
Last verified October 30, 2026. Our code found the quoted passage behind each fact on its source page when the fact was recorded, and re-checks every record against its sources each month.
Recorded October 30, 2026 from the references above.
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Security leadership
CISO Tribune has not yet recorded who holds the top security seat at Millennium Corporation. We add a seat only from a verified source; if you have one, send it to the desk.
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