CISO Tribune

Vendor comparison · 2 companies

Expel vs UltraViolet Cyber

Expel sells managed detection and response (MDR) delivered through its Workbench platform, with 24x7 human analysts working in the security tools a customer already has. UltraViolet Cyber sells security services that run offensive and defensive operations as one integrated team. 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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  • Expel
  • UltraViolet Cyber
Expel vs UltraViolet Cyber: Products, Customers and Funding Compared
ExpelExpel sells managed detection and response (MDR) delivered through its Workbench platform, with 24x7 human analysts working in the security tools a customer already has.expel.comUltraViolet CyberUltraViolet Cyber sells security services that run offensive and defensive operations as one integrated team.uvcyber.com
What it sells
  • Expel MDR[5][7]A managed detection and response service that works with the security tools a customer already has.
  • Ruxie[3][5]Expel's AI and automation engine used in its MDR service.
  • Managed SOC[1][4][11]Named analysts monitor customer environments, investigate threats and take pre-authorized response actions.
  • UltraViolet Lens[7]A platform with an open architecture that ingests Digital Exhaust from telemetry devices.
Categories
Headquarters
Not stated on its pagesMcLean, United States[2]
Founded
Not stated on its pages2023[3][11]
Ownership and funding
Not stated on its pagesNot stated on its pages
Named customers
Not stated on its pagesNot stated on its pages
Recent news
Not stated on its pagesNot stated on its pages
G2 and Gartner Peer Insights
  • G2: listed, seen November 3, 2026[4]
  • 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
Not written yetUltraViolet Cyber describes delivery models that work with a customer's existing investments, team and stage of maturity. Engagements can be co-managed, fully outsourced or embedded with the customer team. UltraViolet Cyber's SIEM migration work includes a global provider of digital banking and lending solutions that decided to replace its legacy SIEM.
Last verified
September 27, 2026November 9, 2026

Where they overlap

  • MDR and managed SOC is the primary category of both Expel and UltraViolet Cyber.

Where they differ, field by field

  • UltraViolet Cyber is also filed under Penetration testing and red team services.
  • Expel lists Expel MDR and Ruxie. UltraViolet Cyber lists Managed SOC and UltraViolet Lens.
  • UltraViolet Cyber is headquartered in McLean, United States.
  • UltraViolet Cyber was founded in 2023.

How they differ

CISO Tribune files Expel under MDR and managed SOC, and files UltraViolet Cyber under MDR and managed SOC as well as penetration testing and red team services, with MDR and managed SOC as the primary category for both. Expel sells Expel MDR, a managed detection and response service that works with the security tools a customer already has, delivered through its Workbench platform. UltraViolet Cyber sells Managed SOC, in which named analysts monitor customer environments, investigate threats and take pre-authorized response actions. UltraViolet Cyber also sells services that run offensive and defensive operations as one integrated team, including purple teaming and penetration testing. Expel also offers email threat detection and response, and describes MDR coverage of the AI attack surface.

Expel states a 14-minute mean time to remediate, and says Ruxie, its AI and automation engine, gathers evidence and enriches alerts before Expel analysts investigate. Expel says its MDR covers more than 160 technology integrations, naming Microsoft, AWS, Google Cloud, CrowdStrike, Okta and Wiz among them. UltraViolet Cyber says it is vendor-agnostic across SIEM, EDR and cloud, and it includes its Equinox detection engineering platform with Managed SOC. UltraViolet Cyber also offers AI security services across the AI lifecycle.

UltraViolet Cyber is headquartered in McLean, United States, and was founded in 2023 by former U.S. intelligence community operators. Expel was started by practitioners. UltraViolet Cyber says it supports 400+ Global 2000 enterprises and federal agencies, including DHS, FDIC and NIH. Expel runs Workbench infrastructure on GCP and AWS in the U.S.

What it sells: Expel

What Expel MDR does[5][7]
Expel MDR provides 24x7 SOC monitoring, with analysts who investigate and respond. Expel says it connects to an existing stack and correlates threats across endpoint, identity, cloud, network, SaaS and more. Expel states a 14-minute mean time to remediate.
What Ruxie does[3][5]
Expel says Ruxie gathers evidence, enriches alerts and matches patterns in seconds. Expel analysts then investigate and make the critical calls.

What it sells: UltraViolet Cyber

What Managed SOC does[1][4][11]
UltraViolet Cyber assigns named analysts who monitor the customer environment, investigate threats, and take pre-authorized response actions. UltraViolet Cyber operates the customer security stack or provides a managed SIEM and SOAR platform.
What UltraViolet Lens does[7]
The UltraViolet Lens Platform has an open architecture that ingests terabytes of Digital Exhaust from various telemetry devices each day. UltraViolet Cyber provides 24/7/365 alert monitoring, triage and escalation by certified security engineers.

Questions about Expel and UltraViolet Cyber

What do Expel and UltraViolet Cyber sell?
Expel sells Expel MDR and Ruxie. UltraViolet Cyber sells Managed SOC and UltraViolet Lens.
Are Expel and UltraViolet Cyber in the same category?
Yes. MDR and managed SOC is the primary category of both on CISO Tribune.
Where are Expel and UltraViolet Cyber headquartered?
UltraViolet Cyber is headquartered in McLean, United States.
When were Expel and UltraViolet Cyber founded?
UltraViolet Cyber was founded in 2023.
Who are Expel and UltraViolet Cyber sold to?
UltraViolet Cyber describes delivery models that work with a customer's existing investments, team and stage of maturity.

About Expel

Expel sells managed detection and response (MDR) delivered through its Workbench platform, with 24x7 human analysts working in the security tools a customer already has. Expel says its service is built so that technology makes it fast and humans make it accurate.[5]

Expel describes the service as managed detection and response with analysts who can be reached directly over Slack or Teams. Expel says customers connect Workbench to their existing stack, and Expel then correlates threats across endpoint, identity, cloud, network, SaaS and more. Expel says no agents need to be deployed and no rip-and-replace is required.[5]

Ruxie is the name Expel gives its AI and automation engine. Expel says Ruxie gathers evidence, enriches alerts and matches patterns so that Expel analysts can investigate and make the critical calls. Expel states a 14-minute mean time to remediate for its MDR service.[5]

Expel Workbench is the platform through which customers see Expel's work. Expel says customers can see every investigation and response in real time inside Workbench.[5]

Expel says its MDR covers cloud, endpoint, identity, network, SaaS, email and more, across more than 160 technology integrations. Expel names Microsoft, AWS, Google Cloud, CrowdStrike, Okta and Wiz among those integrations.[5][10]

Expel also offers email threat detection and response, in which Expel says it monitors the email environment 24x7. Expel says this works alongside Proofpoint, Mimecast, Abnormal Security and Sublime. Expel also describes MDR coverage of the AI attack surface, covering attacker use of AI, employee misuse of AI tools and attacks on customer-built AI systems, with detections mapped to MITRE ATLAS.[6][7]

Expel was started by practitioners. Dave Merkel is co-founder and Chief Executive Officer, Justin Bajko is a co-founder and Chief Strategy Officer, and Yanek Korff is a co-founder and Chief Operating Officer. Greg Notch is Chief Technology Officer.[8]

2. Expel says Workbench infrastructure runs on GCP and AWS in the U.S, and that alert data is retained up to 15 months, configurable per contract.[1][2][5][9]

Expel on the record

Sources

Expel full record

  1. [1]Workbench operations platformExpel · expel.com · published August 5, 2026 · Tier A
  2. [2]Expel announces 20 million in series b fundingExpel · expel.com · undated page, accessed September 27, 2026 · Tier A
  3. [3]Leading managed detection and response (MDR) provider | ExpelExpel · undated page, accessed October 24, 2026 · Tier A
  4. [4]Expel Reviews 2026: Details, Pricing, & Features - G2G2 · undated page, accessed October 24, 2026 · Tier C
  5. [5]Managed Detection and Response Services | Expel MDRExpel · undated page, accessed November 3, 2026 · Tier A
  6. [6]Email threat detection | ExpelExpel · undated page, accessed November 3, 2026 · Tier A
  7. [7]AI attack surface coverage | ExpelExpel · undated page, accessed November 3, 2026 · Tier A
  8. [8]Company | ExpelExpel · undated page, accessed November 3, 2026 · Tier A
  9. [9]Security and compliance support from your MDR | ExpelExpel · undated page, accessed November 3, 2026 · Tier A
  10. [10]Managed Security Solutions | ExpelExpel · undated page, accessed November 3, 2026 · Tier A

UltraViolet Cyber full record

  1. [1]uvcyber.comUltraViolet Cyber · uvcyber.com · published September 25, 2026 · Tier A
  2. [2]Ultraviolet cyber launches to help organizations worldwide accelerate readiness and resilience against cybersecurity threats 301796166UltraViolet Cyber via PR Newswire · prnewswire.com · published April 13, 2023 · Tier A
  3. [3]Frequently asked questionsUltraViolet Cyber · uvcyber.com · undated page, accessed September 27, 2026 · Tier A
  4. [4]Managed SOC Services | 24/7 Managed SOC | UltraViolet CyberUltraViolet Cyber · undated page, accessed October 30, 2026 · Tier A
  5. [5]Unified Offensive and Defensive Security Solutions | UltraViolet CyberUltraViolet Cyber · undated page, accessed October 30, 2026 · Tier A
  6. [6]Application Security Testing Services | Web, API & Cloud App Security | UltraViolet CyberUltraViolet Cyber · undated page, accessed October 30, 2026 · Tier A
  7. [7]UltraViolet Lens Security Platform | Security Analytics & Detection Engineering | UltraViolet CyberUltraViolet Cyber · undated page, accessed October 30, 2026 · Tier A
  8. [8]Equinox: Detection Engineering Tool | UltraViolet CyberUltraViolet Cyber · undated page, accessed October 30, 2026 · Tier A
  9. [9]Red Team Engagements | Adversary Simulation & Advanced Threat Emulation | UltraViolet CyberUltraViolet Cyber · undated page, accessed October 30, 2026 · Tier A
  10. [10]VooDoo Red Team Toolkit | Cross-Platform Offensive Security Platform | UltraViolet CyberUltraViolet Cyber · undated page, accessed October 30, 2026 · Tier A
  11. [11]Cybersecurity Solutions | Managed SOC, MDR, Red Team & Pen Testing | UltraViolet CyberUltraViolet Cyber · undated page, accessed November 10, 2026 · Tier A
  12. [12]Managed Detection and Response (MDR) Services | Threat Detection & Response | UltraViolet CyberUltraViolet Cyber · undated page, accessed November 10, 2026 · Tier A
  13. [13]Purple Team Security Services | Offensive & Defensive Security Testing | UltraViolet CyberUltraViolet Cyber · undated page, accessed November 10, 2026 · Tier A
  14. [14]Solstice: AI-Augmented Penetration Testing | UltraViolet CyberUltraViolet Cyber · undated page, accessed November 10, 2026 · Tier A
  15. [15]SIEM Migration Services | Maintain Detection & Visibility | UltraViolet CyberUltraViolet Cyber · undated page, accessed November 10, 2026 · Tier A
  16. [16]Continuous Threat Exposure Management (CTEM) | Attack Surface Risk Monitoring | UltraViolet CyberUltraViolet Cyber · undated page, accessed November 10, 2026 · Tier A
  17. [17]Embedded Security Operations Experts & Support | Cybersecurity Staff AugmentationUltraViolet Cyber · undated page, accessed November 10, 2026 · Tier A
  18. [18]AI Security Services | AI Threat Monitoring & Red Teaming | UltraViolet CyberUltraViolet Cyber · undated page, accessed November 10, 2026 · Tier A

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