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Founder Raises $28M to Combat AI-Generated Email Phishing Threats

Founder Raises $28M to Combat AI-Generated Email Phishing Threats

First seen 20 May 2026, 08:19 UTC

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ThreatCluster AI
ThreatCluster May 21, 2026 at 08:14 UTC
  • Shay Shwartz raised $28 million for his AI-focused email security startup, Ocean.
  • Ocean's platform uses a small language model to combat AI-generated phishing attacks.
  • The startup is processing billions of emails monthly for major clients like Kayak and Headspace.

Shay Shwartz, a former teen hacker turned cybersecurity expert, has raised $28 million for his startup, Ocean, which focuses on AI-powered email security. The funding round was led by Lightspeed Venture Partners and includes notable angel investors. Ocean aims to combat the increasing threat of AI-generated phishing attacks, which have become more sophisticated and widespread due to advancements in generative AI. Shwartz emphasizes that traditional email security measures are insufficient against these new tactics. The platform uses a small language model to analyze incoming emails, assessing context and sender intent to detect potential fraud. Ocean is already processing billions of emails monthly for clients such as Kayak and Headspace. The startup's approach is designed to provide proactive defense against impersonation and social engineering attempts.

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Timeline

2026-05-19
Ocean emerges from stealth mode
Shay Shwartz's startup Ocean officially launched its email security platform, raising $28 million in funding.
Techcrunch
2026-05-20
Funding announcement published
Mexc reported on Ocean's funding and its mission to tackle AI-generated email threats.
Mexc

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