CISO Tribune

Vendor comparison · 2 companies

eSentire vs Expel

eSentire sells MDR with multi-signal attack surface coverage and 24/7 Elite threat hunters working as one continuous security program across any vendor stack. eSentire offers 24/7 SOC-as-a-Service with unlimited threat hunting and incident handling. eSentire describes Multi-Signal MDR with 300+ technology integrations to support existing investments. 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. 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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Up to four companies side by side.

  • eSentire
  • Expel
eSentire vs Expel: Products, Customers and Funding Compared
eSentireeSentire sells MDR with multi-signal attack surface coverage and 24/7 Elite threat hunters working as one continuous security program across any vendor stack. eSentire offers 24/7 SOC-as-a-Service with unlimited threat hunting and incident handling. eSentire describes Multi-Signal MDR with 300+ technology integrations to support existing investments.esentire.comExpelExpel 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.com
What it sells
  • Atlas Preempt[3][5]Deploys AI Operatives to continuously validate attack paths.
  • Atlas MDR[5]MDR sold in Professional, Enhanced and Elite packages.
  • 24/7 SOC-as-a-Service[5]24/7 SOC-as-a-Service with unlimited threat hunting and incident handling.
  • 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.
Categories
Headquarters
Canada[2]Not stated on its pages
Founded
2001[2][5]Not stated on its pages
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
  • September 15, 2026eSentire announced it acquired a stealth-mode AI security startup and incorporated its product and technology into the Atlas Platform as Atlas AIDR.[6]
Not 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: listed, seen November 3, 2026[4]
  • Gartner Peer Insights: Not stated on its pages
Who it fits
From its own pages, the company sells mainly to organisations that want to extend their own team with a 24/7 Security Operations Center. Its industry pages speak of protecting insurance operations, defending financial services, defending patient data and clinical operations, protecting portfolio companies, and stopping threats before they disrupt production. The pages also say Atlas connects to any signal across your current security tools, which reads as a fit for teams that already run security tools. The security operations center entry names boards, regulators, and cyber insurers as parties that require a human accountability layer.Not written yet
Last verified
November 2, 2026September 27, 2026

Where they overlap

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

Where they differ, field by field

  • eSentire is also filed under Incident response and forensics and Exposure prioritisation and CTEM.
  • eSentire lists Atlas Preempt, Atlas MDR and 24/7 SOC-as-a-Service. Expel lists Expel MDR and Ruxie.
  • eSentire is headquartered in Canada.
  • eSentire was founded in 2001.

How they differ

CISO Tribune files eSentire and Expel under MDR and managed SOC as the primary category, and also files eSentire under incident response and forensics and exposure prioritisation and CTEM work. At eSentire, Atlas MDR is sold in Professional, Enhanced and Elite packages that set the level of 24/7 coverage, log retention, threat hunting and offensive testing. The eSentire lineup also includes 24/7 SOC-as-a-Service and Atlas Preempt, which deploys AI Operatives to continuously validate attack paths. Expel sells Expel MDR through its Workbench platform, with 24x7 analysts working in the security tools a customer already has. Expel also sells Ruxie, its AI and automation engine, and offers email threat detection and response plus coverage of the AI attack surface.

Both companies describe integration with existing tools, with eSentire citing 300+ technology integrations and Expel citing more than 160, including Microsoft, AWS, Google Cloud, CrowdStrike, Okta and Wiz. Expel says no agents need to be deployed and that customers see every investigation and response in real time inside Workbench.

Headquartered in Canada and founded in 2001, eSentire says it protects thousands of organizations across 35+ industries. As the official cybersecurity partner of AVFC, eSentire also lists industry pages on insurance, financial services, patient data, dealerships, and the public sector and education. On September 15, 2026, eSentire announced it acquired a stealth-mode AI security startup and incorporated its product and technology as Atlas AIDR within the Atlas Platform. Expel was started by practitioners, and it says GCP and AWS host its Workbench infrastructure.

What it sells: eSentire

What Atlas MDR does[5]
Atlas MDR comes in three packages, Professional, Enhanced and Elite, so a customer can choose the level of 24/7 coverage, log retention, threat hunting and offensive testing. One package adds log detection, Atlas SIEM with 90-day retention, round-the-clock threat hunting, automated response, and quarterly offensive testing.

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.

Questions about eSentire and Expel

What do eSentire and Expel sell?
eSentire sells Atlas Preempt, Atlas MDR and 24/7 SOC-as-a-Service. Expel sells Expel MDR and Ruxie.
Are eSentire and Expel in the same category?
Yes. MDR and managed SOC is the primary category of both on CISO Tribune.
Where are eSentire and Expel headquartered?
eSentire is headquartered in Canada.
When were eSentire and Expel founded?
eSentire was founded in 2001.
Who are eSentire and Expel sold to?
From its own pages, the company sells mainly to organisations that want to extend their own team with a 24/7 Security Operations Center.
What have eSentire and Expel announced recently?
September 15, 2026: eSentire announced it acquired a stealth-mode AI security startup and incorporated its product and technology into the Atlas Platform as Atlas AIDR.

About eSentire

eSentire sells MDR with multi-signal attack surface coverage and 24/7 Elite threat hunters working as one continuous security program across any vendor stack. eSentire offers 24/7 SOC-as-a-Service with unlimited threat hunting and incident handling. eSentire describes Multi-Signal MDR with 300+ technology integrations to support existing investments.[1]

Atlas connects to any signal across any vendor stack and powers adaptive AI Operatives that expose, detect, and neutralize cyberattacks. Atlas connects to any signal across a customer's current security tools, and eSentire says that whatever a customer is running, eSentire is running with them. Atlas Preempt deploys AI Operatives to continuously validate attack paths exposing attacker targets of opportunity before they take advantage.

eSentire says its SOC extends a customer's team with immediate expertise, hands-on remediation, and the human accountability layer that boards, regulators, and cyber insurers require. eSentire says customers can see what its SOC sees, review investigations, and see how eSentire is protecting their business. Response and Remediation pairs machine-speed containment with human judgment, delivering full threat response that is policy-bounded, reversible, and explainable. eSentire offers unlimited Incident Response with a threat suppression guarantee, anytime, anywhere.

Atlas MDR comes in three packages, Professional, Enhanced and Elite, so a customer can choose the level of 24/7 coverage, log retention, threat hunting and offensive testing. In that package, eSentire analysts watch the customer's environment around the clock.

eSentire says it protects thousands of organizations across 35+ industries around the world. eSentire was founded in 2001, and its Controlled Autonomy SecOps operating model pairs agentic AI operatives with engineered human-judgment controls. eSentire provides cybersecurity solutions for Managed Security Service Providers (MSSPs), Managed Service Providers (MSPs), and Value-Added Resellers (VARs). eSentire is the official cybersecurity partner of AVFC.

eSentire sets out to protect insurance operations from cyber attacks. eSentire sets out to defend financial services from cyber disruption. eSentire sets out to protect portfolio companies from cyber risk. eSentire sets out to defend patient data and clinical operations. eSentire sets out to secure dealership operations and customer data. eSentire sets out to protect public sector and education systems.

eSentire on the record

Sources

eSentire full record

  1. [1]Esentire managed detection and responseeSentire · esentire.com · undated page, accessed September 27, 2026 · Tier A
  2. [2]Security You Can Trust. Protecting Organizations Worldwide. | eSentireeSentire · undated page, accessed September 27, 2026 · Tier A
  3. [3]Company | eSentireeSentire · undated page, accessed October 24, 2026 · Tier A
  4. [4]eSentire Reviews 2026: Details, Pricing, & Features | G2G2 · undated page, accessed October 24, 2026 · Tier C
  5. [5]Managed Detection and Response Pricing and Packaging | eSentireeSentire · undated page, accessed November 3, 2026 · Tier A
  6. [6]eSentire Acquires Stealth-Mode AI Security Startup, Bringing New AI Observability and Control to the Atlas PlatformBusiness Wire · published September 15, 2026 · Tier A

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

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