CISO Tribune

Vendor comparison · 2 companies

Nucleus Security vs SecurityScorecard

Nucleus Security sells vulnerability and exposure management software for enterprise organizations and government agencies. SecurityScorecard sells a platform for continuous vendor monitoring, automated assessments and risk intelligence. CISO Tribune files both under Threat intelligence. 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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  • Nucleus Security
  • SecurityScorecard
Nucleus Security vs SecurityScorecard: Products, Customers and Funding Compared
Nucleus SecurityNucleus Security sells vulnerability and exposure management software for enterprise organizations and government agencies.nucleussec.comSecurityScorecardSecurityScorecard sells a platform for continuous vendor monitoring, automated assessments and risk intelligence.securityscorecard.com
What it sells
  • Nucleus Data Core[5]A system of record for assets, exposures, and threats.
  • Nucleus ServiceNow App connector[7]A connector that integrates with ServiceNow through the Nucleus Security for Vulnerability Response app.
  • TITAN AI[3][4][5][6][8][13][17][18]A platform that unifies threat intelligence and third-party data to deliver real-time visibility.
  • TITAN Assess[19]Automates both sides of the security questionnaire with AI-powered workflows and expert human verification.
  • TITAN MAX[20]A managed service built on the SecurityScorecard platform.
  • ChatSSC[16]An agentic AI-powered assistant for questions about SecurityScorecard data.
  • RespondAI[19]Drafts questionnaire answers from a centralized Knowledge Base.
Categories
Headquarters
Not stated on its pagesNew York, United States[2]
Founded
Not stated on its pages2013[2]
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 pages
  • September 9, 2026SecurityScorecard announced that Sarah Walker has joined the company as President, working alongside its founder and CEO.[11]
  • September 9, 2026SecurityScorecard named Sarah Walker as its President.[12]
  • August 26, 2026SecurityScorecard announced that Sami Khoury, a former Government of Canada cyber security official, has joined its Public Sector Advisory Board.[14]
  • May 14, 2026SecurityScorecard announced its acquisition of Driftnet, whose internet discovery engine is to be brought into the TITAN AI platform.[13]
G2 and Gartner Peer Insights
  • G2: listed, seen November 10, 2026[12]
  • Gartner Peer Insights: Not stated on its pages
  • G2: listed, seen November 10, 2026[15]
  • Gartner Peer Insights: Not stated on its pages
Who it fits
Not written yetFrom its own pages, the company addresses CISOs and risk and compliance professionals. It also has pages for information technology organizations, hospitality and gaming, and critical infrastructure. The critical infrastructure page names energy grids, transportation networks, and public utilities. The hospitality page refers to a lean internal security team, and the information technology page refers to tech companies with SaaS sprawl and developer ecosystem risks.
Last verified
November 8, 2026September 27, 2026

Where they overlap

  • Nucleus Security and SecurityScorecard are both filed under Threat intelligence.

Where they differ, field by field

  • Nucleus Security's primary category is Vulnerability management; SecurityScorecard's is Third-party risk and security ratings.
  • Nucleus Security is also filed under Exposure prioritisation and CTEM.
  • Nucleus Security lists Nucleus Data Core and Nucleus ServiceNow App connector. SecurityScorecard lists TITAN AI, TITAN Assess, TITAN MAX, ChatSSC and RespondAI.
  • SecurityScorecard is headquartered in New York, United States.
  • SecurityScorecard was founded in 2013.

What it sells: Nucleus Security

What Nucleus Data Core does[5]
The Nucleus Data Core is a system of record for assets, exposures, and threats. The Nucleus Data Core transforms fragmented data into unified, live exposure context. Nucleus says every AI decision and action is grounded in the Nucleus Data Core.
What Nucleus ServiceNow App connector does[7]
The Nucleus ServiceNow App connector integrates directly with ServiceNow through the Nucleus Security for Vulnerability Response app. The app runs directly on a customer's ServiceNow environment and enables integration with Vulnerability Response. The app has several different integrations, including assets and vulnerable items.

What it sells: SecurityScorecard

What TITAN AI does[3][4][5][6][8][13][17][18]
TITAN AI unifies intelligent automation, predictive insight, and vendor interactions. TITAN AI owns the data and runs the workflow natively. TITAN AI connects to existing tools, maps every vendor relationship, and runs continuous discovery with coordinated multi-vendor response. The platform provides always-on third-party monitoring to detect vulnerabilities, threat actor behavior, and nth-party relationships across entire ecosystems.
What TITAN Assess does[19]
TITAN Assess automates both sides of the questionnaire, answering what customers send and managing what is sent to vendors. Questionnaires can be imported or started from SIG or CAIQ Lite and sent to one vendor or an entire portfolio with a single passwordless link. An agent checks every answer against the customer's policy, verifies the vendor's evidence, and calculates a risk score automatically. Customers can publish a Trust Page with verified security information, SOC 2 reports, and policies.
What TITAN MAX does[20]
A standard SecurityScorecard subscription provides the platform for the customer to manage, while TITAN MAX is a managed service built on the SecurityScorecard platform. TITAN MAX is primarily delivered by certified partners. TITAN MAX operates a Vendor Risk Operations Center (VROC) for continuous vendor security monitoring. TITAN MAX works directly with vendors to resolve issues and improve their cybersecurity posture.
What ChatSSC does[16]
SecurityScorecard provides ChatSSC for quick answers about SecurityScorecard data. ChatSSC helps users pinpoint the most critical issues to fix, understand historical score changes, and gain insights into past breaches.
What RespondAI does[19]
RespondAI uses a centralized Knowledge Base to draft answers. RespondAI combines generative AI with a team of certified human reviewers. Customers can import Excel, Word, or PDF questionnaires.

Questions about Nucleus Security and SecurityScorecard

What do Nucleus Security and SecurityScorecard sell?
Nucleus Security sells Nucleus Data Core and Nucleus ServiceNow App connector. SecurityScorecard sells TITAN AI, TITAN Assess, TITAN MAX, ChatSSC and RespondAI.
Are Nucleus Security and SecurityScorecard in the same category?
They share Threat intelligence. Nucleus Security's primary category is Vulnerability management and SecurityScorecard's is Third-party risk and security ratings.
Where are Nucleus Security and SecurityScorecard headquartered?
SecurityScorecard is headquartered in New York, United States.
When were Nucleus Security and SecurityScorecard founded?
SecurityScorecard was founded in 2013.
Who are Nucleus Security and SecurityScorecard sold to?
From its own pages, the company addresses CISOs and risk and compliance professionals.
What have Nucleus Security and SecurityScorecard announced recently?
September 9, 2026: SecurityScorecard announced that Sarah Walker has joined the company as President, working alongside its founder and CEO.

About Nucleus Security

Nucleus Security sells vulnerability and exposure management software for enterprise organizations and government agencies. Nucleus unifies exposure data, tracks what is being exploited in the wild, and uses AI to build the program. Nucleus says AI is accelerating how fast new vulnerabilities are found and exploited, and that traditional programs cannot keep pace.[1][3][4]

Nucleus Helix drives specialized AI models and agents that build and maintain the program and close exposure gaps. Nucleus Helix runs on the Nucleus Data Core. The Nucleus Data Core is a system of record for assets, exposures, and threats that transforms fragmented data into unified, live exposure context.[5]

Nucleus ingests, correlates, and normalizes data from all of a customer's tools into one hub for unified risk visibility and reporting. Nucleus centralizes exposure management and unifies data from asset discovery, vulnerability scanners, exposure validation, and threat intelligence. Nucleus lets customers customize risk scoring and prioritize risk with asset context and business impact. Nucleus Insights agentic intelligence feed validates exploit and malware evidence. Nucleus offers application security capabilities with unified visibility, exposure prioritization, and automated ownership assignment. Nucleus addresses dynamic cloud environments, including findings sprawl and ephemeral assets.[1][2][3][4]

Nucleus remediation workflows prioritize, ticket, assign owners, and track SLA performance. Nucleus operationalizes ownership metadata in the Nucleus Dynamic Automation Framework to adapt ownership assignment as the business evolves. Nucleus tracks the status of tickets with bi-directional integration and updates when new data is ingested or a status changes. Nucleus lets customers set time limits and document approvals for risk exceptions. Nucleus lets customers define SLAs and monitor ticket status and resolutions over time.[6]

The Nucleus ServiceNow App connector integrates directly with ServiceNow through the Nucleus Security for Vulnerability Response app. The Nucleus Security for Vulnerability Response app runs directly on a customer's ServiceNow environment and enables integration with Vulnerability Response. The Nucleus Security for Vulnerability Response ServiceNow app has several different integrations, including assets and vulnerable items. The app is intended to be installed and configured by a Nucleus Security for Vulnerability Response specialist alongside a ServiceNow administrator with experience with ServiceNow SecOps Vulnerability Response.[7]

CMMC 2.0 is the Department of War (formerly Department of Defense) framework for protecting Federal Contract Information (FCI) and Controlled Unclassified Information (CUI) across the Defense Industrial Base (DIB). Nucleus operationalizes and centralizes evidence, monitors weaknesses, prioritizes risk-based fixes, and proves outcomes across teams and systems for core security controls. Nucleus automatically turns critical findings into tracked incidents with owners, actions, and documented resolution. Nucleus maps findings to NIST 800-171 controls and generates and manages POA&Ms. Nucleus offers POAM automation for the POAM process from vulnerability identification to reporting, for federal agencies and contractors.[8][9]

Nucleus offers two license tiers for unified vulnerability management. Nucleus pricing is affected by the number and type of assets in a customer's environment. Nucleus defines an asset as anything that can have a finding, including physical devices, cloud services, code repositories, and applications. TRUESEC, a European MSSP, unified customer data, automated remediation workflows, and scaled its services in partnership with Nucleus. Nucleus experts researched every new KEV addition between October 2025 and March 2026 and captured their observations in a report. Nucleus Security has published new CVE research in a company white paper.[1][2][4][5][6][10][11]

Nucleus Security on the record

Sources

Nucleus Security full record

  1. [1]nucleussec.comNucleus Security · nucleussec.com · undated page, accessed November 8, 2026 · Tier A
  2. [2]PlatformNucleus Security · nucleussec.com · undated page, accessed November 8, 2026 · Tier A
  3. [3]Nucleus Vulnerability & Exposure Management SolutionsNucleus Security · undated page, accessed November 10, 2026 · Tier A
  4. [4]Nucleus Security | Vulnerability and Exposure ManagementNucleus Security · undated page, accessed November 10, 2026 · Tier A
  5. [5]Nucleus Vulnerability Management PlatformNucleus Security · undated page, accessed November 10, 2026 · Tier A
  6. [6]Vulnerability Remediation with NucleusNucleus Security · undated page, accessed November 10, 2026 · Tier A
  7. [7]ServiceNow App for Vulnerability ResponseNucleus Security · undated page, accessed November 10, 2026 · Tier A
  8. [8]Operationalize CMMC 2.0 Compliance with NucleusNucleus Security · undated page, accessed November 10, 2026 · Tier A
  9. [9]Get Started Nucleus POAMNucleus Security · undated page, accessed November 10, 2026 · Tier A
  10. [10]Nucleus PricingNucleus Security · undated page, accessed November 10, 2026 · Tier A
  11. [11]Risk-based Vulnerability Management | Nucleus SecurityNucleus Security · undated page, accessed November 10, 2026 · Tier A
  12. [12]Nucleus Reviews 2026: Details, Pricing, & FeaturesG2 · undated page, accessed November 10, 2026 · Tier C

SecurityScorecard full record

  1. [1]securityscorecard.comSecurityScorecard · securityscorecard.com · published July 17, 2026 · Tier A
  2. [2]Securityscorecard partners with sequoia in 125 million series a funding round 300054965SecurityScorecard via PR Newswire · prnewswire.com · published March 24, 2015 · Tier A
  3. [3]SecurityScorecard | Supply Chain & Third-Party Risk PlatformSecurityScorecard · undated page, accessed October 28, 2026 · Tier A
  4. [4]TPRM & GRC Tools for Risk and Compliance TeamsSecurityScorecard · undated page, accessed October 28, 2026 · Tier A
  5. [5]TPRM for CISOs | Supply Chain Risk ManagementSecurityScorecard · undated page, accessed October 28, 2026 · Tier A
  6. [6]Supply Chain Cybersecurity Platform | SecurityScorecard TITAN AISecurityScorecard · undated page, accessed October 28, 2026 · Tier A
  7. [7]DORA Compliance for Third-Party ICT Risk ManagementSecurityScorecard · undated page, accessed October 28, 2026 · Tier A
  8. [8]Cybersecurity for IT Professionals | SecurityScorecardSecurityScorecard · undated page, accessed October 28, 2026 · Tier A
  9. [9]Hospitality Gaming - SecurityScorecardSecurityScorecard · undated page, accessed October 28, 2026 · Tier A
  10. [10]Critical Infrastructure - SecurityScorecardSecurityScorecard · undated page, accessed October 28, 2026 · Tier A
  11. [11]SecurityScorecard Names Sarah Walker President as Company Expands Its Mission for the AI EraSecurityScorecard · published September 9, 2026 · Tier A
  12. [12]SecurityScorecard Names Sarah Walker President as Company Expands Its Mission for the AI EraBusiness Wire · published September 9, 2026 · Tier A
  13. [13]SecurityScorecard Acquires Driftnet to Power Real-Time, Threat-Informed Third-Party Risk ManagementSecurityScorecard · published May 14, 2026 · Tier A
  14. [14]SecurityScorecard Appoints Former Government of Canada Senior Official for Cyber Security Sami Khoury to Public Sector Advisory BoardSecurityScorecard · published August 26, 2026 · Tier A
  15. [15]SecurityScorecard Reviews 2026: Details, Pricing, & Features | G2G2 · undated page, accessed October 28, 2026 · Tier C
  16. [16]TITAN AI Agents | Accelerated Risk Intelligence | SecurityScorecardSecurityScorecard · undated page, accessed November 10, 2026 · Tier A
  17. [17]TITAN AI Workflow | Vendor Compliance Monitoring & Supply Chain VisibilitySecurityScorecard · undated page, accessed November 10, 2026 · Tier A
  18. [18]Supply Chain Threat Intelligence | SecurityScorecardSecurityScorecard · undated page, accessed November 10, 2026 · Tier A
  19. [19]Titan Assess | AI-Powered Questionnaire AutomationSecurityScorecard · undated page, accessed November 10, 2026 · Tier A
  20. [20]TITAN MAX | Managed Security & Third-Party Risk ServicesSecurityScorecard · undated page, accessed November 10, 2026 · Tier A

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