StrongestLayer, a San Francisco, CA-based cybersecurity company that provides an AI-native email security platform, has raised $5.2 million in seed funding.
Investors
The round was led by Sorenson Capital, with participation from strategic investors including Recall Capital.
Sorenson Capital is a leading venture capital firm founded in 2017 that invests in product-oriented B2B software companies, with a strong focus on cybersecurity. Based in Palo Alto, California, and Lehi, Utah, the firm partners with founders who are building the next generation of enterprise security solutions. With over $1.6 billion in assets under management, Sorenson Capital focuses on early and growth-stage investments in AI, cybersecurity, B2B software, and DevOps & infrastructure companies.
StrongestLayer Use of Funds
The company will use the funding to accelerate product innovation and expand go-to-market efforts as it scales its intent-driven detection technology.
About StrongestLayer
Founded in 2024 by Alan LeFort, Muhammad Rizwan, and Joshua Bass, StrongestLayer is an email security company built to combat the rise of generative AI threats. The company uses large language models (LLMs) with human-like reasoning to detect intent in emails and browser activity. Its engine, called TRACE (Threat Reasoning & AI Correlation Engine), analyzes context, sender-recipient relationships, infrastructure clues, and more. It detects phishing threats that others miss—without relying on signatures, sandboxing, or static rules. Headquartered in San Francisco, StrongestLayer serves industries including legal, banking, insurance, and manufacturing.
Funding Details
Company: StrongestLayer, Inc.
Raised: $5.2M
Round: Seed
Funding Date: July 2025
Lead Investor: Sorenson Capital
Additional Investors: Recall Capital and other unnamed strategic investors
Company Website: https://www.strongestlayer.com/
Software Category: Email Security / Cybersecurity
Source: https://www.strongestlayer.com/blog/strongestlayer-raises-5-2m-to-fight-ai-email-threats