What do Millennium Corporation and Red Canary sell?

Millennium Corporation sells Zero Trust. Red Canary sells Managed Detection & Response (MDR).

Are Millennium Corporation and Red Canary in the same category?

They share MDR and managed SOC. Millennium Corporation's primary category is Penetration testing and red team services and Red Canary's is MDR and managed SOC.

Where are Millennium Corporation and Red Canary headquartered?

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

Who owns Millennium Corporation and Red Canary?

Red Canary is owned by Zscaler, since 2025.

Who are Millennium Corporation and Red Canary sold to?

From its own pages, Red Canary sells mainly to security operations teams that need to scale protection without adding headcount.

Vendor comparison · 2 companies

Millennium Corporation vs Red Canary

Millennium Corporation provides red team operations and cyber training, with clients across the Department of Defense, federal civilian agencies, and the private sector. Red Canary, now part of Zscaler, sells Managed Detection & Response (MDR), a service that taps in-house experts to detect, manage, respond to, and remediate threats at scale. CISO Tribune files both under MDR and managed SOC. 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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Millennium Corporation vs Red Canary: Products, Customers and Funding Compared
What it sells
	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	Red CanaryRed Canary, now part of Zscaler, sells Managed Detection & Response (MDR), a service that taps in-house experts to detect, manage, respond to, and remediate threats at scale.redcanary.com
What it sells	Zero Trust^[7]Adversarial testing of networks to confirm they are Zero Trust.	Managed Detection & Response (MDR)^[3]Taps in-house experts to detect, manage, respond to, and remediate threats at scale.
Categories
Categories	Penetration testing and red team services (primary category) MDR and managed SOC Security consulting and advisory	MDR and managed SOC (primary category) Threat intelligence
Headquarters
Headquarters	Arlington, VA, United States^[1][4]	Not stated on its pages
Founded
Founded	Not stated on its pages	Not stated on its pages
Ownership and funding
Ownership and funding	Not stated on its pages	Owned by Zscaler since 2025^[2][3][4]
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: listed, seen October 27, 2026^[4] Gartner Peer Insights: Not stated on its pages
Who it fits
Who it fits	Not written yet	From its own pages, Red Canary sells mainly to security operations teams that need to scale protection without adding headcount. Its service is aimed at organizations whose attack surface spans networks, endpoints, identities, cloud infrastructure, and AI applications. Organizations that run AWS, GCP, or Azure environments are covered by its cloud detection. Teams that use a SIEM, SOAR, or ITSM platform can send alerts into those workflows.
Last verified
Last verified	October 30, 2026	September 27, 2026

Where they overlap

Millennium Corporation and Red Canary are both filed under MDR and managed SOC.

Where they differ, field by field

Millennium Corporation's primary category is Penetration testing and red team services; Red Canary's is MDR and managed SOC.
Millennium Corporation is also filed under Security consulting and advisory. Red Canary is also filed under Threat intelligence.
Millennium Corporation lists Zero Trust. Red Canary lists Managed Detection & Response (MDR).
Millennium Corporation is headquartered in Arlington, VA, United States.
Red Canary is owned by Zscaler, since 2025.

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.

What it sells: Red Canary

What Managed Detection & Response (MDR) does^[3]: Managed Detection & Response (MDR) uses in-house experts, AI agents, and deep ZIA integration. Alerts can be sent to a SIEM, SOAR, or ITSM platform.

Questions about Millennium Corporation and Red Canary

What do Millennium Corporation and Red Canary sell?: Millennium Corporation sells Zero Trust. Red Canary sells Managed Detection & Response (MDR).
Are Millennium Corporation and Red Canary in the same category?: They share MDR and managed SOC. Millennium Corporation's primary category is Penetration testing and red team services and Red Canary's is MDR and managed SOC.
Where are Millennium Corporation and Red Canary headquartered?: Millennium Corporation is headquartered in Arlington, VA, United States.
Who owns Millennium Corporation and Red Canary?: Red Canary is owned by Zscaler, since 2025.
Who are Millennium Corporation and Red Canary sold to?: From its own pages, Red Canary sells mainly to security operations teams that need to scale protection without adding headcount.

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

About Red Canary

Red Canary, now part of Zscaler, sells Managed Detection & Response (MDR), a service that taps in-house experts to detect, manage, respond to, and remediate threats at scale. Managed Detection & Response (MDR) adds 24/7 human-led, AI-powered support enriched with Zscaler context.

Zscaler says the attack surface keeps expanding across networks, endpoints, identities, cloud infrastructure, and now AI applications. Zscaler says security team sizes are stagnant or shrinking, forcing SOC teams to triage more alerts, work longer hours, and accept coverage gaps.^[1]

Managed Detection & Response (MDR) experts work with the Agentic SecOps platform, supported by agentic workflows and deep ZIA integration. Managed Detection & Response (MDR) enriches investigations with ZIA context and automatically enforces ZIA policies to contain threats faster.

AI agents enrich alerts with device context, user login history, and IP intelligence before triaging. AI agents filter out difficult-to-tune alerts with short natural language prompts. A 24/7 team of detection and response specialists validates threats and reduces noise. Managed Detection & Response (MDR) includes threat hunting across clouds, endpoints, and identities, with scoped findings that carry evidence and next steps.

For response, Managed Detection & Response (MDR) can automatically block URLs and IoCs via ZIA, isolate endpoints via EDR, and suspend users via the customer's IDP. Playbooks are no-code and customizable. Customers can choose team oversight to initiate specific response actions, or choose to automate. Managed Detection & Response (MDR) alerts can be sent to a SIEM, SOAR, or ITSM platform to align with existing workflows.

Zscaler MDR unifies data from AWS, GCP, Azure, and cloud security tools like Wiz to detect and stop cloud threats before impact. Customers can store MDR data or other raw data, including JSON and syslog messages that can be written to an S3 bucket, for any length of time they specify. Managed Detection & Response (MDR) provides high-fidelity detection of ransomware precursors and rapid containment and remediation of threats before impact. Zscaler combines AI and human expert analysis to analyze reported phishing emails.

Managed Detection & Response (MDR) lets customers learn how their threat posture compares to similar organizations across industry, employee count, and the entire MDR customer base.

Red Canary on the record

Sources

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

Red Canary full record

[1]redcanary.comRed Canary · redcanary.com · undated page, accessed September 27, 2026 · Tier A
[2]Zscaler completes acquisition red canary accelerate innovations agentic ai driven securityZscaler · zscaler.com · published August 1, 2025 · Tier A
[3]Zscaler Managed Detection & Response (MDR) | ZscalerZscaler · undated page, accessed October 27, 2026 · Tier A
[4]Zscaler Sec Ops Pricing - G2G2 · undated page, accessed October 27, 2026 · Tier C

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