Most Active Cybersecurity Investors in Seattle 2026

9 firms writing Cybersecurity checks in Seattle, led by Madrona, 645 Ventures, boldstart ventures — ranked by verified deal count with the companies behind.

Cybersecurity in Seattle accounts for 4 tracked companies with verified cap-table data, 4 of which disclose round sizes totalling $237M. The median disclosed raise is $60M, and the largest is Protect AI at $109M, ahead of Oleria ($60M) and Dropzone AI ($57M).

The names that recur most often on these cybersecurity cap tables are Salesforce Ventures (2 companies), Acrew Capital (1 company), Aviso Ventures (1 company), boldstart ventures (1 company), Evolution Equity Partners (1 company), Knollwood Capital (1 company). By latest disclosed round, the market skews Series B (2), Seed (2).

Best funded Cybersecurity in Seattle companies

  1. Protect AI — $109M (latest: Series B)
  2. Oleria — $60M (latest: Seed)
  3. Dropzone AI — $57M (latest: Series B)
  4. MIND — $11M (latest: Seed)

Sector × city funding reports (20)

All research · Investor directory · Company funding database · Fundraising library

Resources
Join free
Sign Out Dashboard

The Startup Fundraising Platform

Raise funds for your startup

Find the right investors and get real replies — instantly, powered by AI.

  • AI-scored pitch deck
  • Matched investor list
  • Personalized outreach drafts
Join for free

Takes 30 seconds · No credit card · Cancel anytime

See it in action ↓
  • Library
  • Articles
  • Pitch Decks
  • Videos
  • Shorts
  • Profiles
  • Visuals
  • Questions
  • Ask
  • All
  • Seed & Pre-Seed
  • Series A & B
  • Fintech
  • SaaS & Dev Tools
  • Consumer & Social
  • Marketplace & Frontier
  • Mistakes to Avoid
  • Checklist
  • How to Send
  • Design
  • Length
  • Order
  • Storytelling
  • Investor Q&A
  • One-Pager
  • Email Templates
  • Data Room
  • Investor Update
  • Term Sheet
  • SAFE vs Priced
  • Due Diligence
  • Timeline
  • Metrics
  • Valuation
  • Cap Table
  • Pipeline
  • Board
  • Objections
  • References
  • Closing
  • Bridge Round
  • Down Round
  • Secondary Sale
  • Investor Rejection
  • First Meeting
  • Second Meeting
  • Partner Meeting
  • Post-Mortem
  • Update Cadence
  • Angel Round
  • Option Pool Shuffle
  • Fundraise Pause
  • Vetting VCs
  • First 90 Days
  • First Board Meeting
  • Reference Calls
  • NDA Template
  • Bylaws Template
LibraryPitch Deck Examples

Slide-by-slide guide

 

  • Library
  • Articles
  • Pitch Decks
  • Videos
  • Shorts
  • Profiles
  • Visuals
  • Questions
  • Ask
LibraryArticles

•By Alejandro Cremades