/Companies

Mammoth Cyber

Palo Alto, US · 4 known investors

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Mammoth Cyber builds an enterprise browser that applies context-aware access controls, session monitoring, and data-leak protection, including controls for GenAI/LLM usage. It targets enterprise security teams managing remote employees, contractors, partners, and unmanaged or BYOD devices under zero-trust policies.

Founders & leadership

YCYonghui Cheng
Yonghui ChengCo-Founder & CTOFounder at Mammothcyber
MSMichael Shieh
Michael ShiehFounder and CEOFounder at Mammothcyber

Investors · 4

500 Globallisted by 500 GlobalPalo Alto · $150K

How we know: open dataset · 500 Global portfolio 2026-08 · Not right? Tell us

TSVCreportedSilicon Valley · $1M

How we know: the VCSheet dataset · Not right? Tell us

Frequently asked questions

What does Mammoth Cyber do?
Mammoth Cyber builds an enterprise browser that applies context-aware access controls, session monitoring, and data-leak protection, including controls for GenAI/LLM usage. It targets enterprise security teams managing remote employees, contractors, partners, and unmanaged or BYOD devices under zero-trust policies.
Who founded Mammoth Cyber?
Mammoth Cyber was founded by Yonghui Cheng, Michael Shieh.
Who are Mammoth Cyber's investors?
Mammoth Cyber's investors include 500 Global, Cyber Mentor Fund, First In, TSVC.
Where is Mammoth Cyber headquartered?
Mammoth Cyber is headquartered in Palo Alto, US.