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Sevii

ITDR vendors

Sevii provides an autonomous defense and remediation platform that stops cyber adversaries without human intervention.

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Categories
Identity threat detection and response, EDR and XDR, SOAR and security automation, AI and LLM security
Based in
Mooresville, United States
Ownership
Private

About Sevii

Sevii is a cybersecurity company that sells an Autonomous Defense and Remediation (ADR) platform. It serves enterprises, government, and education organisations, including both private and public sector customers. The platform uses agentic AI agents called Cyber Warriors to investigate and resolve threats across identity, endpoint, and cloud assets. It integrates with existing security tools such as CrowdStrike and other platforms. Customers set AI guardrails to control when assets can be remediated autonomously or when human intervention is needed. The company says its platform shortens remediation timelines, measured from the detection source rather than from ticket creation. It also offers modules for AI security and identity security. Sevii was selected for the 2026 CrowdStrike, AWS and NVIDIA Cybersecurity Startup Accelerator and won a Cyber Defense Magazine award in 2025.

Products

  • Autonomous Defense and Remediation (ADR) platformAn agentic AI platform that autonomously hunts and remediates threats across identity, endpoint, and cloud assets.
  • AI Security moduleA module that turns AI detection and response findings into autonomous cyber defense actions.
  • Autonomous Identity Security moduleA module that extends the ADR platform to autonomously handle identity-related threats.
  • Autonomous Preemptive Security moduleA module described as a Level 5 ADR platform for preemptive security.
  • Aegis AI Cyber Warrior agentAn AI agent that autonomously processes AI security detections and performs remediation.

Ownership and deals

  1. Raised a pre-seed roundInvestor Overline VCReport

Acquisitions come from SecurityWeek's monthly M&A round-ups from 2021 onwards, from Cybersecurity Ventures' quarterly M&A reports for 2020, and a few from Wikipedia lists. Funding rounds from 2022 onwards come from Return on Security's weekly Security, Funded newsletter. These are dated to the month. A few deals added from the news are dated to the day. Smaller deals may be missing. Amounts are in US dollars.

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Sources

  1. sevii.com
  2. sevii.com/team
  3. sevii.com/contact
  4. sevii.com/news-release/sevii-launches-agentic-ai-adr-platform
  5. sevii.com/news-release/ai-security-module-turning-ai-security-detections-into-autonomous-cyber-defense-outcomes
  6. sevii.com/blog/too-risky-is-usually-the-first-thing-we-say-about-the-technologies-we-end-up-depending-on
  7. Sevii terms and conditions