What do BlackCloak and Millennium Corporation sell?

BlackCloak sells Digital Executive Protection Platform, Impersonation Protection and Physical Risk Reports. Millennium Corporation sells Zero Trust.

Are BlackCloak and Millennium Corporation in the same category?

They share MDR and managed SOC. BlackCloak's primary category is Digital risk protection and Millennium Corporation's is Penetration testing and red team services.

Where are BlackCloak and Millennium Corporation headquartered?

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

Who are BlackCloak and Millennium Corporation sold to?

From its own pages, the company sells mainly to organisations whose executives and board members are targeted in their personal digital lives.

What have BlackCloak and Millennium Corporation announced recently?

September 10, 2026: BlackCloak launched Perimeter, a physical security offering that extends its digital protection to the physical world around where executives live, work and travel.

Vendor comparison · 2 companies

BlackCloak vs Millennium Corporation

BlackCloak protects the personal digital lives of executives with cybersecurity, concierge support and incident response. 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. 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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BlackCloak vs Millennium Corporation: Products, Customers and Funding Compared
What it sells
	BlackCloakBlackCloak protects the personal digital lives of executives with cybersecurity, concierge support and incident response.blackcloak.io	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	Digital Executive Protection Platform^[2][5]A platform built to address the gap between corporate security and the personal digital lives of executives. Impersonation Protection^[2]Lets executives authenticate calls, texts, and video messages in real time. Physical Risk Reports^[5]Reports that provide a shared intelligence picture on physical risk to executives.	Zero Trust^[7]Adversarial testing of networks to confirm they are Zero Trust.
Categories
Categories	Digital risk protection (primary category) MDR and managed SOC Incident response and forensics Mobile security	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	September 10, 2026BlackCloak launched Perimeter, a physical security offering that extends its digital protection to the physical world around where executives live, work and travel.^[4]	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	From its own pages, the company sells mainly to organisations whose executives and board members are targeted in their personal digital lives. It says requests from executives for personal digital protection are rising, driven by peer incidents and family safety concerns. Its individuals site says it protects high-net-worth individuals, their families, and family offices. That site also describes partnerships for consultants, advisors, financial institutions and law firms working directly with high-net-worth individuals.	Not written yet
Last verified
Last verified	September 30, 2026	October 30, 2026

Where they overlap

BlackCloak and Millennium Corporation are both filed under MDR and managed SOC.

Where they differ, field by field

BlackCloak's primary category is Digital risk protection; Millennium Corporation's is Penetration testing and red team services.
BlackCloak is also filed under Incident response and forensics and Mobile security. Millennium Corporation is also filed under Security consulting and advisory.
BlackCloak lists Digital Executive Protection Platform, Impersonation Protection and Physical Risk Reports. Millennium Corporation lists Zero Trust.
Millennium Corporation is headquartered in Arlington, VA, United States.

What it sells: BlackCloak

What Digital Executive Protection Platform does^[2][5]: The platform delivers against four pillars of protection: Privacy & Identity Defense, AI Threat Protection, Executive Threat Intelligence, and Personal Security Operations. It is powered by a Threat Intelligence Engine that gathers insights from open, deep, and dark web sources. Protection is delivered to executives and their families via the BlackCloak app.
What Impersonation Protection does^[2]: BlackCloak Impersonation Protection lets executives authenticate calls, texts, and video messages in real time. Executives can send an out-of-band authentication request and authenticate the source of calls, texts, video chats and emails.
What Physical Risk Reports does^[5]: Intelligence from OSINT, deep and dark web sources specific to each executive is gathered. Threat credibility and likely intent is assessed by BlackCloak experts. Early warnings for security teams are provided in a downloadable report.

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 BlackCloak and Millennium Corporation

What do BlackCloak and Millennium Corporation sell?: BlackCloak sells Digital Executive Protection Platform, Impersonation Protection and Physical Risk Reports. Millennium Corporation sells Zero Trust.
Are BlackCloak and Millennium Corporation in the same category?: They share MDR and managed SOC. BlackCloak's primary category is Digital risk protection and Millennium Corporation's is Penetration testing and red team services.
Where are BlackCloak and Millennium Corporation headquartered?: Millennium Corporation is headquartered in Arlington, VA, United States.
Who are BlackCloak and Millennium Corporation sold to?: From its own pages, the company sells mainly to organisations whose executives and board members are targeted in their personal digital lives.
What have BlackCloak and Millennium Corporation announced recently?: September 10, 2026: BlackCloak launched Perimeter, a physical security offering that extends its digital protection to the physical world around where executives live, work and travel.

About BlackCloak

BlackCloak protects the personal digital lives of executives with cybersecurity, concierge support and incident response. BlackCloak says executives and their families are targets at home, where corporate security cannot reach.^[1][2][6]

The Digital Executive Protection Platform delivers against four pillars of protection: Privacy & Identity Defense, AI Threat Protection, Executive Threat Intelligence, and Personal Security Operations. The platform is powered by a Threat Intelligence Engine that continuously gathers insights from open, deep, and dark web sources. BlackCloak provides aggregated, anonymized insights to the customer team to track progress and measure risk reduction.^[1][2]

BlackCloak finds, removes, and hides executives' exposed personal data from broker sites, and monitors for breaches across open, deep, and dark web sources. BlackCloak offers data broker removal to minimize publicly available personal data. BlackCloak detects data exposure using known executive data such as email, addresses and names. BlackCloak automates takedown and opt-out requests. Executives can track progress through a live activity feed on the BlackCloak app.^[2]

BlackCloak monitors and analyzes content across multiple channels to detect disinformation campaigns or personal reputational threats before they escalate. BlackCloak monitors eight types of intelligence channels, including news, social media, court filings, and AI-generated content. BlackCloak says deepfake attacks can bypass email filters and awareness training. BlackCloak Impersonation Protection lets executives authenticate calls, texts, and video messages in real time. Executives can send an out-of-band authentication request and authenticate the source of calls, texts, video chats and emails.^[2]

BlackCloak offers Physical Risk Reports that provide a shared intelligence picture. For these reports, intelligence from OSINT, deep and dark web sources specific to each executive is gathered. BlackCloak experts assess threat credibility and likely intent. Security teams receive early warnings with context in a downloadable report.

BlackCloak continuously monitors personal devices such as laptops, mobiles, and tablets in the background, securing them with enterprise-grade EDR. Executives install the BlackCloak app on their personal devices. BlackCloak performs security checks across six areas: passcode, biometrics, encryption, OS updates, breach status, and botnet activity. BlackCloak backs EDR and home network scanning with expert-led incident response from its in-house, US-based security operations center. BlackCloak manages detection, remediation, and incident response end-to-end.^[2]

BlackCloak works with the customer team to identify who needs protecting and aligns with their assistants to book a confidential Privacy & Exposure Review. BlackCloak gives the customer team a dashboard with aggregated, anonymized metrics on risk exposure reduction that can be used to present to the board. CISOs and security teams have a dedicated account manager for questions on SLAs and billing and on the security of protected executives. BlackCloak operates outside of the customer's corporate cybersecurity technology stack. BlackCloak says it cannot see into executives' personal accounts or browsing history.^[2][6]

BlackCloak 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

BlackCloak full record

[1]blackcloak.ioBlackCloak · blackcloak.io · undated page, accessed September 30, 2026 · Tier A
[2]BlackCloak | Digital Executive Protection | Personal CybersecurityBlackCloak · undated page, accessed October 30, 2026 · Tier A
[3]BlackCloak | Cybersecurity for High-Profile & HNWIsBlackCloak · undated page, accessed October 30, 2026 · Tier A
[4]BlackCloak Launches BlackCloak Perimeter™, Unifying Cyber and Physical Security for Executive ProtectionBlackCloak · published September 10, 2026 · Tier A
[5]Product - BlackCloak | Protect Your Digital Life™BlackCloak · undated page, accessed November 10, 2026 · Tier A
[6]BlackCloak | Blog | Breaking Down BlackCloak | Concierge ServiceBlackCloak · 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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