What do Inversion6 and Millennium Corporation sell?

Inversion6 sells Autonomous Penetration Testing. Millennium Corporation sells Zero Trust.

Are Inversion6 and Millennium Corporation in the same category?

They share MDR and managed SOC, Security consulting and advisory and Penetration testing and red team services. Inversion6's primary category is MDR and managed SOC and Millennium Corporation's is Penetration testing and red team services.

Where are Inversion6 and Millennium Corporation headquartered?

Millennium Corporation is headquartered in Arlington, VA, United States.

Vendor comparison · 2 companies

Inversion6 vs Millennium Corporation

Inversion6 provides cybersecurity services that range from CISOs to a managed security service provider (MSSP) offering. Millennium Corporation provides red team operations and cyber training, with clients across the Department of Defense, federal civilian agencies, and the private sector. CISO Tribune files both under MDR and managed SOC, Security consulting and advisory and Penetration testing and red team services. This page sets the two records side by side: what each sells, where it is based, who owns and funds it, the customers it names and its recent news, each fact numbered to its source.

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Inversion6 vs Millennium Corporation: Products, Customers and Funding Compared
What it sells
	Inversion6Inversion6 provides cybersecurity services that range from CISOs to a managed security service provider (MSSP) offering.inversion6.com	Millennium CorporationMillennium Corporation provides red team operations and cyber training, with clients across the Department of Defense, federal civilian agencies, and the private sector.millgroupinc.com
What it sells	Autonomous Penetration Testing^[2]Continuous, automated testing to identify and remediate weaknesses.	Zero Trust^[7]Adversarial testing of networks to confirm they are Zero Trust.
Categories
Categories	MDR and managed SOC (primary category) Security consulting and advisory Incident response and forensics Penetration testing and red team services	Penetration testing and red team services (primary category) MDR and managed SOC Security consulting and advisory
Headquarters
Headquarters	Not stated on its pages	Arlington, VA, United States^[1][4]
Founded
Founded	Not stated on its pages	Not stated on its pages
Ownership and funding
Ownership and funding	Not stated on its pages	Not stated on its pages
Named customers
Named customers	Not stated on its pages	Not stated on its pages
Recent news
Recent news	Not stated on its pages	Not stated on its pages
G2 and Gartner Peer Insights
G2 and Gartner Peer Insights	G2: Not stated on its pages Gartner Peer Insights: Not stated on its pages	G2: Not stated on its pages Gartner Peer Insights: Not stated on its pages
Who it fits
Who it fits	Not written yet	Not written yet
Last verified
Last verified	November 2, 2026	October 30, 2026

Where they overlap

Inversion6 and Millennium Corporation are both filed under MDR and managed SOC, Security consulting and advisory and Penetration testing and red team services.

Where they differ, field by field

Inversion6's primary category is MDR and managed SOC; Millennium Corporation's is Penetration testing and red team services.
Inversion6 is also filed under Incident response and forensics.
Inversion6 lists Autonomous Penetration Testing. Millennium Corporation lists Zero Trust.
Millennium Corporation is headquartered in Arlington, VA, United States.

What it sells: Millennium Corporation

What Zero Trust does^[7]: Millennium Corporation uses an adversarial mindset to test networks and confirm that they are Zero Trust. The testing checks that users can only access authorized files, that an unauthorized user cannot grant themselves additional permissions, and that the network is constantly validating every user at every interaction.

Questions about Inversion6 and Millennium Corporation

What do Inversion6 and Millennium Corporation sell?: Inversion6 sells Autonomous Penetration Testing. Millennium Corporation sells Zero Trust.
Are Inversion6 and Millennium Corporation in the same category?: They share MDR and managed SOC, Security consulting and advisory and Penetration testing and red team services. Inversion6's primary category is MDR and managed SOC and Millennium Corporation's is Penetration testing and red team services.
Where are Inversion6 and Millennium Corporation headquartered?: Millennium Corporation is headquartered in Arlington, VA, United States.

About Inversion6

Inversion6 provides cybersecurity services that range from CISOs to a managed security service provider (MSSP) offering. Inversion6 is a cybersecurity solutions provider that uses senior-level experts. Inversion6 is the dedicated cybersecurity division of TRG. Inversion6 provides cybersecurity services to the global customer base of TRG in the endpoint mobility space. TRG optimizes and manages endpoints such as laptops, smartphones and tablets. Inversion6 says it services clients all over the world.^[3][4]

Inversion6 offers a suite of managed solutions from a US-based Security Operations Center staffed 24x7x365 by a team of experienced analysts. Inversion6 describes the professionals in its 24x7x365 Security Operations Center as based in the US and EU. Inversion6 offers CISO services so that clients do not have to add headcount to their teams. Inversion6 offers technology solutions in which its experts work alongside a client's team to identify, investigate and implement technology solutions. Inversion6 selects technology partners to fit the cybersecurity priorities of its clients. Inversion6 states that it does not push proprietary solutions.^[1][3][4]

Inversion6 offers managed protection from ransomware, malware and other endpoint-driven attacks. Inversion6 offers Managed EDR services that extend protection to cover smartphones, tablets and devices using mobile operating systems. Inversion6 offers continuous, automated testing to identify and remediate weaknesses before attackers exploit them. Inversion6 offers ongoing employee training, phishing simulations and behavior analytics to build a culture of security. Inversion6 offers proactive intelligence on dark web traffic and provides alerts whenever sensitive data is exposed or traded online. Inversion6 offers automated, ongoing updates for operating systems and applications. Inversion6 describes its Cyber Security-as-a-Service (CSaaS) offerings as designed to shield organizations from evolving cyber risks.^[6]

Inversion6 fractional CISOs provide insights into where priorities, efforts and investments should be directed. Inversion6 states that hiring and retaining a Chief Information Security Officer (CISO) is a significant investment not all businesses can afford. Inversion6 offers risk assessments designed to meet regulatory requirements and to kick off an ongoing risk management program. Inversion6 assists with regulations including CMMC, SOC2, PCI, HIPAA, ISO 27001, NIST, NYCRR and the FTC safeguards. Inversion6 conducts workshops to review Office 365 and Azure security settings against the CIS benchmarks and Microsoft's recommended security defaults. Inversion6 provides a strategic and tactical view of security posture for two SaaS applications. Inversion6 delivers a report on potential improvements to the IR process. Inversion6 assesses the security of IT assets being acquired. Inversion6 helps companies comply with ongoing FTC security guidelines.^[7]

Inversion6 offers an outsourced cybersecurity program designed to take all cybersecurity efforts off the client's hands. Inversion6 offers 24/7/365 continuous monitoring, threat detection and rapid response. Inversion6 conducts regular penetration testing throughout the year to evaluate technical defenses. Inversion6 ensures the routine patching and maintenance of client systems. Inversion6 administers, maintains, engineers and oversees the security tools used in the program. Inversion6 provides resources and insights to conduct cybersecurity training. Inversion6 experts step in when cybersecurity incidents strike to help mitigate the threat and recover.^[3][9]

Inversion6 describes its advisors as serving small businesses and large enterprises. Inversion6 addresses rapidly growing startups whose customers are starting to ask questions about security and compliance.^{[1][3][4][6][9]}

Inversion6 on the record

About Millennium Corporation

Millennium Corporation provides red team operations and cyber training, with clients across the Department of Defense, federal civilian agencies, and the private sector. Millennium Corporation describes its philosophy as anchored around the concept of full-spectrum operations. Millennium Corporation describes itself as a founder-led company.^[2][5]

Millennium Corporation works with the armed services to protect the devices, data, and networks they use. Millennium Corporation helps the Intelligence Community securely collect, analyze, and act on large quantities of data. In federal civilian agencies, Millennium Corporation helps protect highly sensitive and mission critical data. The software engineers of Millennium Corporation craft custom solutions to meet a client's specific needs.

Millennium Corporation analyzes a client's cyber footprint to identify vulnerabilities. Red team assessments from Millennium Corporation normally contain a physical security aspect. During an assessment, Millennium Corporation operators may attempt to physically infiltrate a server room in order to compromise the target organization's network. Millennium Corporation says it has seen through hundreds of assessments that physical security enables cybersecurity and vice versa. Millennium Corporation offers a debrief and report after an assessment has concluded, explaining how its operators infiltrated the client's facility and what the client could have done differently to stop them.^[5]

Millennium Corporation provides red and blue team training, builds cyber ranges, and plays the bad guys as an Opposing Force. Millennium Corporation names k>fivefour as its partner for hands-on cyber operations training for cybersecurity professionals. Millennium Corporation determines how an adversary would most likely attack and then develops protection and training plans. Millennium Corporation sets up and conducts trainings. For in-house trainings, Millennium Corporation helps schedule and track which personnel have received them.^[2][6]

Millennium Corporation uses an adversarial mindset to test networks and confirm that they are Zero Trust. When new systems are added, Millennium Corporation does upfront work to make certain they will integrate with existing systems. Millennium Corporation then tests the new systems to protect them from black hat actors. Millennium Corporation has experience in frameworks such as NIST CSF, RMF, and ISO 27001, and helps clients develop and maintain a GRC program. Millennium Corporation applies red and blue team capabilities and an adversarial approach to attack simulation to protect a client's most valuable assets. Millennium Corporation integrates commercial networking technologies into expeditionary solutions, including a hybrid fiber and wireless network that enables fixed and mobile connectivity.^[7]

Millennium Corporation operates a secure 10,000 sq.ft. facility that includes training and the Cyber Threat Operations Center.^[2][6][7]

Millennium Corporation on the record

Sources

Inversion6 full record

[1]inversion6.comInversion6 · inversion6.com · undated page, accessed September 30, 2026 · Tier A
[2]Inversion6 Launches Advanced SOC and MDR Platform for Scalable CybersecurityInversion6 · published November 3, 2025 · Tier A
[3]About Inversion6 | Inversion6Inversion6 · undated page, accessed November 10, 2026 · Tier A
[4]Eliminate Reactive | Inversion6Inversion6 · undated page, accessed November 10, 2026 · Tier A
[5]Managed Cybersecurity Solutions | Inversion6Inversion6 · undated page, accessed November 10, 2026 · Tier A
[6]Cyber Security Services | Inversion6Inversion6 · undated page, accessed November 10, 2026 · Tier A
[7]Cybersecurity Vision | Inversion6Inversion6 · undated page, accessed November 10, 2026 · Tier A
[8]CISO Solutions | Inversion6Inversion6 · undated page, accessed November 10, 2026 · Tier A
[9]Outsourced Cybersecurity | Inversion6Inversion6 · undated page, accessed November 10, 2026 · Tier A

Millennium Corporation full record

[1]Millennium corporation expands cyber portfolio by acquiring maxisiq business divisionMillennium Corporation · millgroupinc.com · published May 3, 2023 · Tier A
[2]millgroupinc.comMillennium Corporation · millgroupinc.com · undated page, accessed October 30, 2026 · Tier A
[3]Why Millennium - Millennium CorporationMillennium Corporation · undated page, accessed November 10, 2026 · Tier A
[4]Home - Millennium CorporationMillennium Corporation · undated page, accessed November 10, 2026 · Tier A
[5]Your Guide to Red Team Physical Security Assessments - Millennium CorporationMillennium Corporation · undated page, accessed November 10, 2026 · Tier A
[6]Cybersecurity Training - Millennium CorporationMillennium Corporation · undated page, accessed November 10, 2026 · Tier A
[7]Enterprise Services - Millennium CorporationMillennium Corporation · undated page, accessed November 10, 2026 · Tier A

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