# AegisAI

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/aegisai

- Industry: IT Security/Cybersecurity
- Headquarters: New York, US
- Website: www.aegisai.ai/
- Total disclosed funding: $49M
- Latest round: Series A (Jul 24, 2026)
- Investors on record: 3

## About

AegisAI, Inc. is a US-based company specializing in advanced email security solutions that combat modern cybersecurity threats, including phishing and Business Email Compromise (BEC), through innovative artificial intelligence technology.AegisAI, Inc. is focused on delivering cutting-edge email security solutions. Founded in New York, US, the company has undergone strategic development to enhance its product offerings. In September 2026, Upwind Security, Inc., a portfolio company of TCV, Greylock Partners, Bessemer Venture Partners, Salesforce Ventures, Leaders Fund, Cerca Partners, Craft Ventures, Cyberstarts, Alta Park Capital, Penny Jar Capital, Sheva Capital, Picture Capital Management, and Swish Ventures acquired AegisAI, Inc. from Accel, Battery Ventures, and Foundation Capital. Financial terms of the transaction were not disclosed. The acquisition enables Upwind Security, Inc. to add AegisAI, Inc. security technology and team to its platform, helping it address threats targeting AI agents, skills, and plugins. The founder's specific history is not detailed, but their role has been pivotal in the company's trajectory.AegisAI offers a sophisticated agentic email security platform designed to combat modern threats such as phishing, Business Email Compromise (BEC), and other zero-day attacks. Utilizing advanced artificial intelligence, AegisAI's technology analyzes email communications in real time, effectively mimicking human analysts to detect sophisticated attack patterns that traditional security measures often overlook. The platform integrates seamlessly with major email services, including Microsoft 365 and Google Workspace, facilitating quick deployment without the need for changes to MX records or disruptions in mail flow. AegisAI targets businesses of various sizes across multiple industries, including finance, technology, and healthcare, to help them safeguard their email communications from increasingly complex threats. By employing behavior analysis, language intent interpretation, and contextual anomaly detection, AegisAI enhances the security posture of its clients, significantly reducing the risk of data breaches and financial fraud.AegisAI generates revenue primarily through subscription-based pricing models tailored to businesses needing email security solutions. Clients pay for access to the platform, which includes features such as automated threat detection and incident response capabilities. The company structures its transactions to serve a wide range of business clients, from small startups to larger enterprises, reflecting a B2B transactional approach. Notable offerings include their flagship agentic detection capabilities, which are designed to minimize false positives and improve overall effectiveness against phishing and other email-based threats. Pricing plans are structured based on the scale and specific needs of the organization, with different tiers available to accommodate a variety of user demands and organizational sizes.

## Funding rounds

- Series A, Jul 24, 2026, $36M — Accel, Battery Ventures, Foundation Capital
- Seed, Sep 10, 2025, $13M — Accel, Foundation Capital

## Investors

- Accel (https://capitalatlas.ai/funds/accel) — Seed, Series A
- Foundation Capital (https://capitalatlas.ai/funds/foundation-capital) — Seed, Series A
- Battery Ventures (https://capitalatlas.ai/funds/battery-ventures) — Series A