Decibel is an early-stage venture capital firm created in partnership with Cisco, investing in essential infrastructure software used by developers, data engineers, and cybersecurity teams. The firm is based in Palo Alto, California and was founded in 2019 by Jon Sakoda.
33% of their portfolio is in Cybersecurity. Deal activity decreased year-over-year (3 deals in the last 12 months vs 11 prior). Their most common stage is series-a (41% of deals). Average disclosed round size is $26.1M (across 62 rounds with reported amounts).
Portfolio
40
Fund Size
—
Top Stage
Series A
Last 12 Mo
3
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
66 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Censys | Series D | $70M | Mar 2026 |
 Nebulock | Series A | $25M | Jan 2026 |
 Sublime Security | Series C | $60M | Oct 2025 |
| SStrella | Series A | $14M | Oct 2025 |
| Nebulock | Seed | — | Jul 2025 |
 E2B | Series A | $21M | Jul 2025 |
 Dropzone | Series B | $37M | Jul 2025 |
 Scrunch AI | Series A | $15M | Jul 2025 |
 Scrunch | Series A | — | Jul 2025 |
 Confident Security | Seed | $4.2M | Jul 2025 |
| CConfident Security | Seed | $4.2M | Jul 2025 |
| DDropzone AI | Series B | $37M | Jul 2025 |
 Botpress | Series B | $25M | Jun 2025 |
 Dreadnode | Series A | $14M | Jan 2025 |
 SpecterOps | Series B | $75M | Jan 2025 |
| Scrunch | Series A | $15M | Jan 2025 |
| Botpress | Series B | $25M | Jan 2025 |
| Sublime Security | Series B | $60M | Dec 2024 |
 Fixify | Series A | $25M | Oct 2024 |
| Sublime Security | Series A | $20M | Apr 2024 |
 Delphos Labs | Seed | $7.3M | Jan 2024 |
 Sublime Security | Series B | $60M | Jan 2024 |
| Censys | Series C | $75M | Oct 2023 |
| DDropzone AI | Seed | — | Aug 2023 |
 Platformatic | Seed | $3.5M | Jun 2023 |
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Top Co-Investors
In-Q-Tel10 shared
Index Ventures8 shared
Bain Capital Ventures7 shared
GV6 shared
Insight Partners6 shared
Pioneer Square Labs6 shared
Slow Ventures5 shared
Citi Ventures5 shared
Madrona Venture Group5 shared
645 Ventures4 shared
Mayfield Fund4 shared
Eniac Ventures4 shared
Zetta Venture Partners4 shared
Step Function4 shared
private angel investors4 shared
Greylock Partners3 shared
Lightspeed Venture Partners3 shared
Homebrew3 shared
Ballistic Ventures3 shared
Athos Capital3 shared
Last updated: 7 October 2026