Top Security Startups in 2026

Nucleus prioritizes and enriches all of the vulnerability information in your enterprise, then orchestrates & automates your vulnerability response process so that remediation can happen as quickly as possible. It’s does this by consolidating all of your vulnerability scanning results, penetration test results, bug bounty results, social engineering test results and more.. and letting you define what you want to happen (alerting, reporting, patching, etc.) as new vulnerabilities are discovered using automation rules. nucleussec.com

Fathom5 is an industrial technology company that provides secure hardware and software to make deeply interdependent critical systems safer, more efficient, and more profitable. Fathom5 is focused on providing government and large industrial customers with the following 3 products: 1) Tactical Reconfigurable Underway Data Interface (TRUDI) Provides a testbed for maritime cybersecurity experimentation that yields insights for vessel developers, owners, and operators. 2) Maritime Secure Analytics Platform (MSAP) Shipboard machine learning platform that detects malicious attacks by a corrupt network device. 3) NavChain and Chart Check Establishes the root of trust in navigational data. Secured by blockchain and verified aboard ship on a device with a subscription to the verification data.

AgileEngine is a Miami-based software development company with R&D centers across Latin America, Europe, and Asia. We’ve been among the Inc. 5000 fastest-growing companies for 5 consecutive years and made it to the top 15 app developers globally. Fortune 500 enterprises, Emmy-winning media brands, and technology experts from Google and Nokia entrust mission-critical software to us. Why? Our team comprises top-3% tech talent, and we know the ins and outs of delivering products that consistently wow users.

We offer a growing portfolio of security products including identity access management, identity provisioning/de-provisioning, employee boarding/off-boarding, identity governance, user access/entitlement reviews, security compliance, and audits. We focus on securing identities in the organization to protect potential breaches, internal security threats, and meet security compliance and audits.

Axiado’s mission is to secure the end-to-end digital infrastructure by embedding a new breed of security processors in servers and network infrastructure. Axiado believes data security should be the default solution, not an option.

Archer, Splunk CDM tools to manage and track security data and dashboard to display risks.

As an industry leading security provider, Securitas focuses on ways to continuously improve our operational structure, the knowledge of our employees and the processes surrounding service delivery.

TransferChain enables users to transfer and store client-side encrypted files on a decentralized network.

We are in the people business.

At Infrastructure Ontario (IO), we are focused on 5 areas to provide value to the communities we serve: Major Projects Infrastructure Lending Real Estate Services Commercial Projects Transit Oriented Communities