Vendor comparison · 4 companies

ConnectSecure, Dynatrace, Nucleus Security and Qualys

Change the companies

Up to four companies side by side.

ConnectSecure
Dynatrace
Nucleus Security
Qualys

Four is the most one page holds. Remove or swap a company to add another.

Swipe the table sideways to see every company.

ConnectSecure, Dynatrace, Nucleus Security and Qualys Compared
What it sells
	ConnectSecureBellini Capital's cybersecurity page says ConnectSecure amplifies the ability of managed service providers (MSPs) to assess client risk.bellinicapital.com	DynatraceDynatrace sells an AI-powered observability platform that includes modules for application security and threat observability, covering vulnerability discovery, prioritization, real-time protection, automated threat response and forensics.dynatrace.com	Nucleus SecurityNucleus Security provides a platform for vulnerability and exposure management, combining asset data, vulnerability intelligence and remediation workflows.nucleussec.com	QualysQualys was founded in 1999 as one of the first SaaS security companies.qualys.com
What it sells	ConnectSecure cybersecurity platform^[1][2]A platform for managed service providers to assess client risk. It features what MSPs need to harden clients’ attack surface and manage compliance requirements.	Application Security^[1]A platform module that discovers and prioritizes application vulnerabilities and provides real-time protection against known and unknown flaws. Threat Observability^[1]A platform module that provides threat detection, automated response and forensic analysis within the Dynatrace observability platform.	Nucleus Platform^[1]A platform that scales and automates an organization's vulnerability and exposure management program. Vulnerability Intelligence Platform^[1]Provides centralized and enriched vulnerability intelligence for security teams. Nucleus Insights Intelligence Feed^[1]An AI-powered, expert-validated feed of threat and vulnerability intelligence. Integrations^[1]A set of connectors that link the Nucleus platform to other security and IT tools. Asset Management^[2]Unifies asset data to support vulnerability and exposure management automation. Vulnerability Discovery^[2]Surfaces new exploitable vulnerabilities before traditional scanners detect them.	Enterprise TruRisk Platform^[1]A cloud platform that measures, manages and reduces cyber risk by combining the company's security apps in one place. Vulnerability Management, Detection & Response (VMDR)Scans and tracks vulnerabilities across IT assets and supports detection and response to them. TotalCloud (CNAPP)Combines cloud posture, workload and configuration analysis for cloud environments. TotalAIFinds AI systems in use, assesses what they can access or expose, and helps remediate related risks. Multi-Vector EDRRecords endpoint activity to detect, investigate and respond to attacks. CyberSecurity Asset Management (CSAM)Builds an inventory of IT assets for security visibility and management.
Categories
Categories	Vulnerability management (primary category) External attack surface management Compliance automation	Vulnerability management (primary category) Cloud detection and response	Vulnerability management (primary category) Exposure prioritisation and CTEM Threat intelligence	Vulnerability management (primary category) Cloud-native application protection (CNAPP) EDR and XDR External attack surface management
Headquarters
Headquarters	Tampa, Fla., United States^[1][2][3]	Not stated on its pages	Not stated on its pages	Not stated on its pages
Founded
Founded	Not stated on its pages	Not stated on its pages	Not stated on its pages	1999^[1]
Ownership and funding
Ownership and funding	Not stated on its pages	Public (NYSE: DT)^[2]	Not stated on its pages	Not stated on its pages
Named customers
Named customers	Not stated on its pages	Not stated on its pages	Not stated on its pages	Not stated on its pages
Recent news
Recent news	Not stated on its pages	Not stated on its pages	Not stated on its pages	Not stated on its pages
G2 and Gartner Peer Insights
G2 and Gartner Peer Insights	G2: listed, seen October 31, 2026^[5] Gartner Peer Insights: Not stated on its pages	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	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 managed service providers (MSPs). The pages say it is meant to help them assess client risk and build recurring revenue. The platform is described as covering what MSPs need to harden their clients’ attack surface and manage tightening compliance requirements.	Not written yet	Not written yet	Not written yet
Last verified
Last verified	September 30, 2026	October 23, 2026	November 8, 2026	November 4, 2026

About ConnectSecure

Bellini Capital's cybersecurity page says ConnectSecure amplifies the ability of managed service providers (MSPs) to assess client risk. It also amplifies their ability to build recurring revenue.

The same page says the ConnectSecure cybersecurity platform features what MSPs need to harden their clients’ attack surface. It also features what MSPs need to manage tightening compliance requirements. The page says the platform was built to fuel growth.

The cybersecurity page gives the headquarters as Tampa, Fla. A separate Bellini Capital page lists ConnectSecure among companies with headquarters or major offices in Tampa. An interview page from Bellini Capital refers to Bellini Capital's investments in ConnectSecure. Bellini Capital describes its investing focus as companies that defend the small and midmarket.^[4]

ConnectSecure on the record

About Dynatrace

Dynatrace sells an AI-powered observability platform that includes modules for application security and threat observability, covering vulnerability discovery, prioritization, real-time protection, automated threat response and forensics. The company is publicly traded on the New York Stock Exchange under the ticker DT.^[1]

Dynatrace on the record

About Nucleus Security

Nucleus Security provides a platform for vulnerability and exposure management, combining asset data, vulnerability intelligence and remediation workflows. The platform includes a Vulnerability Intelligence Platform and the Nucleus Insights Intelligence Feed, which delivers AI-powered, expert-validated threat and vulnerability intelligence.^[1][2]

Nucleus Security on the record

About Qualys

Qualys was founded in 1999 as one of the first SaaS security companies. The company offers apps spanning vulnerability management, cloud security posture, endpoint detection and response, and AI security, and lists Sumedh Thakar as its president and CEO under the ticker QLYS.

Qualys on the record

Sources

ConnectSecure full record

[1]ConnectsecureBellini Capital · bellinicapital.com · undated page, accessed September 30, 2026 · Tier A
[2]Cybersecurity - Bellini CapitalBellini Capital · undated page, accessed October 31, 2026 · Tier A
[3]Historic $40M Gift Establishes Bellini College of AI, Cybersecurity and Computing at USF, Solidifying Tampa Bay as “Cyber Bay” - Bellini CapitalBellini Capital · published March 11, 2025 · Tier A
[4]Arnie Bellini: Why He’s Getting Back Into The Channel - Bellini CapitalBellini Capital · published April 3, 2024 · Tier A
[5]ConnectSecure Vulnerability and Compliance Manager Reviews 2026G2 · undated page, accessed October 31, 2026 · Tier C

Dynatrace full record

[1]dynatrace.comDynatrace · dynatrace.com · undated page, accessed October 23, 2026 · Tier A
[2]Perform 2026 ignites new eraDynatrace · dynatrace.com · published January 28, 2026 · Tier A

Nucleus Security full record

[1]nucleussec.comNucleus Security · nucleussec.com · undated page, accessed November 8, 2026 · Tier A
[2]PlatformNucleus Security · nucleussec.com · undated page, accessed November 8, 2026 · Tier A

Qualys full record

[1]CompanyQualys · qualys.com · undated page, accessed November 4, 2026 · Tier A

Spot a factual error? Request a correction.