CISO Tribune

Vendor comparison · 2 companies

Nucleus Security vs Seemplicity

Nucleus Security sells vulnerability and exposure management software for enterprise organizations and government agencies. Seemplicity sells an AI-driven Exposure Action Platform that bridges the gap between security findings and actionable remediation. CISO Tribune files both under Exposure prioritisation and CTEM. 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.

Change the companies

Up to four companies side by side.

  • Nucleus Security
  • Seemplicity
Nucleus Security vs Seemplicity: Products, Customers and Funding Compared
Nucleus SecurityNucleus Security sells vulnerability and exposure management software for enterprise organizations and government agencies.nucleussec.comSeemplicitySeemplicity sells an AI-driven Exposure Action Platform that bridges the gap between security findings and actionable remediation.seemplicity.ai
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.
  • Seemplicity Platform[2][14]Seemplicity normalizes and dedupes findings from more than 190 direct connections, prioritizes them, maps each asset to its owner and tracks SLAs.
  • AI Exposure Management (AEM) and AI Exposure Response (AER)[7]AI Exposure Management (AEM) and AI Exposure Response (AER) use autonomous AI agents to prioritize every exposure, prove which ones are real, contain them and verify the fix.
  • Seema[7][9][10]Seema is an AI assistant from Seemplicity that can query security posture.
Categories
Headquarters
Not stated on its pagesNot stated on its pages
Founded
Not stated on its pagesNot 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
Not stated on its pages
  • June 24, 2026Seemplicity launched AI Analysts, an autonomous vulnerability triage solution for automating analysis of security findings and prioritizing remediation.[5]
  • May 6, 2026Seemplicity announced Laurie Haley in the role of Vice President of Sales.[6]
G2 and Gartner Peer Insights
  • G2: listed, seen November 10, 2026[12]
  • 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 yetIt says it delivers context-aware tasks to the right people in the tools they already use. Its pages by need include Reduce Findings Backlog and Ensure Audit-Readiness. Its category pages cover Cloud Security and Application Security as well as Exposure Management.
Last verified
November 8, 2026September 27, 2026

Where they overlap

  • Nucleus Security and Seemplicity are both filed under Exposure prioritisation and CTEM.

Where they differ, field by field

  • Nucleus Security's primary category is Vulnerability management; Seemplicity's is Exposure prioritisation and CTEM.
  • Nucleus Security is also filed under Threat intelligence.
  • Nucleus Security lists Nucleus Data Core and Nucleus ServiceNow App connector. Seemplicity lists Seemplicity Platform, AI Exposure Management (AEM) and AI Exposure Response (AER) and Seema.

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: Seemplicity

What Seemplicity Platform does[2][14]
Seemplicity normalizes and dedupes findings from more than 190 direct connections, prioritizes them, maps each asset to its owner and tracks SLAs. Seemplicity integrates with existing tools and systems to route work and sync updates. Seemplicity assigns remediation to owners, delivers fix-ready guidance into existing workflows, and produces audit-ready reporting.
What AI Exposure Management (AEM) and AI Exposure Response (AER) does[7]
AI Exposure Management (AEM) and AI Exposure Response (AER) use autonomous AI agents to prioritize every exposure, prove which ones are real, contain them and verify the fix. Seemplicity contains real threats with tools the customer owns. Seemplicity confirms every fix and writes it back to the ticket.
What Seema does[7][9][10]
Seema is an AI assistant from Seemplicity that can query security posture. Seema is a conversational AI assistant used to ask about cloud posture, whether tracking a zero-day or preparing for an audit.

Questions about Nucleus Security and Seemplicity

What do Nucleus Security and Seemplicity sell?
Nucleus Security sells Nucleus Data Core and Nucleus ServiceNow App connector. Seemplicity sells Seemplicity Platform, AI Exposure Management (AEM) and AI Exposure Response (AER) and Seema.
Are Nucleus Security and Seemplicity in the same category?
They share Exposure prioritisation and CTEM. Nucleus Security's primary category is Vulnerability management and Seemplicity's is Exposure prioritisation and CTEM.
Who are Nucleus Security and Seemplicity sold to?
It says it delivers context-aware tasks to the right people in the tools they already use.
What have Nucleus Security and Seemplicity announced recently?
June 24, 2026: Seemplicity launched AI Analysts, an autonomous vulnerability triage solution for automating analysis of security findings and prioritizing remediation.

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

Seemplicity full record

  1. [1]seemplicity.aiSeemplicity · seemplicity.ai · undated page, accessed September 27, 2026 · Tier A
  2. [2]CTEM, Exposure Management and Response | SeemplicitySeemplicity · undated page, accessed October 28, 2026 · Tier A
  3. [3]Our Story (About Us) - Seemplicity | Actionable Exposure ManagementSeemplicity · undated page, accessed October 28, 2026 · Tier A
  4. [4]Tenable Security Center - Seemplicity | Actionable Exposure ManagementSeemplicity · undated page, accessed October 28, 2026 · Tier A
  5. [5]Seemplicity AI Analysts First to Provide Autonomous Vulnerability ResponseBusiness Wire · published June 24, 2026 · Tier A
  6. [6]Seemplicity Lands Dual-Threat Cybersecurity Sales Leader Laurie Haley to Drive GrowthBusiness Wire · published May 6, 2026 · Tier A
  7. [7]Agentic Exposure Management Platform - SeemplicitySeemplicity · undated page, accessed November 10, 2026 · Tier A
  8. [8]Integrations - Seemplicity | Actionable Exposure ManagementSeemplicity · undated page, accessed November 10, 2026 · Tier A
  9. [9]Agentic Workforce - Seemplicity | Actionable Exposure ManagementSeemplicity · undated page, accessed November 10, 2026 · Tier A
  10. [10]Cloud Security - Seemplicity | Actionable Exposure ManagementSeemplicity · undated page, accessed November 10, 2026 · Tier A
  11. [11]Application Security - Seemplicity | Actionable Exposure ManagementSeemplicity · undated page, accessed November 10, 2026 · Tier A
  12. [12]GRC & Compliance - Seemplicity | Actionable Exposure ManagementSeemplicity · undated page, accessed November 10, 2026 · Tier A
  13. [13]Security Engineering / DevSecOps | SeemplicitySeemplicity · undated page, accessed November 10, 2026 · Tier A
  14. [14]Platform Privacy Policy - Seemplicity | Actionable Exposure ManagementSeemplicity · published September 1, 2025 · Tier A
  15. [15]Customer Stories Archives - Seemplicity | Actionable Exposure ManagementSeemplicity · undated page, accessed November 10, 2026 · Tier A

Spot a factual error? Request a correction.