Panther, incubated at S28 Capital, is an open source visibility platform for automating security operations and detecting signs of breach.

Panther's mission is to help organizations derive actionable insights from security data to protect systems.

Panther Labs was founded in 2018 by Jack Naglieri. The company is headquartered in San Francisco, California.


Panther alleviates the pain of traditional SIEM with detection-as-code, a robust security data lake, and huge scalability with zero-ops. The company provides a fast, flexible and scalable platform for threat detection and incident response, capable of analyzing terabytes of data per day in real time.


Panther's security platform is serverless and open source. Panther frees security teams from the slow performance, heavy operational overhead, and high cost of traditional SIEM.


Panther Labs ounts file-sharing service provider Dropbox Inc (DBX.O), web apps automation firm Zapier and cyber security software startup Snyk as its customers.


Panther Labs is backed by Coatue Management, ICONIQ Growth, Lightspeed Venture Partners, Snowflake Ventures, S28 Capital, Innovation Endeavors, Fathom Capital, and others. The company raised $120M in Series B round on Dec 02, 2021. This brings Panther's total funding to $140.5M to date. The latest round mints Panther a unicorrn with a valuation of $1.4B post-money.



  • Year founded: 2018
  • Funding Info: $140.5M over 4 Rounds (Latest Funding Type: Series B)
  • Yearly Revenue: NA
  • Employee Size: 51-200
  • Business Valuation: Valued at $1.4B as of Dec 02, 2021
  • City/Town: San Francisco
  • State: California
  • Country: United States
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