Decibel is an independent venture capital firm, established in partnership with Cisco, that focuses on early-stage investments (Seed, Series A, and Series B) in enterprise software companies. Their strategy involves providing capital and leveraging Cisco's resources, including its scale, talent, and customer relationships, to accelerate enterprise innovations, particularly in areas like cloud and data infrastructure, big data/machine learning, cybersecurity, DevOps, and open source.
33% of their portfolio is in Cybersecurity. Deal activity increased 300% year-over-year (8 deals in the last 12 months). Their most common stage is series-a (50% of deals). Average disclosed round size is $22.0M (across 30 rounds with reported amounts).
Portfolio
30
Fund Size
$939M
Top Stage
Series A
Last 12 Mo
8
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
Portfolio
| Company | Round | Amount | Date |
|---|---|---|---|
 Censys | Series D | $70M | Mar 2026 |
 Strella | Series A | $14M | Oct 2025 |
 Nebulock | Seed | $8.5M | Jul 2025 |
| EE2B | Series A | $21M | Jul 2025 |
| DDropzone AI | Series B | $37M | Jul 2025 |
 Scrunch AI | Series A | $15M | Jul 2025 |
 Confident Security | Seed | $4.2M | Jul 2025 |
 Botpress | Series B | $25M | Jun 2025 |
 Fixify | Series A | $25M | Oct 2024 |
 Sublime Security | Series A | $20M | Apr 2024 |
| Censys | Series C | $75M | Oct 2023 |
| PPlatformatic | Seed | $3.5M | Jun 2023 |
 Push Security | Series A | $15M | Apr 2023 |
| KKaleidos | Series A | $12M | Feb 2023 |
 Pangea Cyber | Series B | $26M | Nov 2022 |
| PPenpot | Unknown | $8M | Sep 2022 |
| Push Security | Seed | $4M | Jul 2022 |
 Akuity | Series A | $20M | May 2022 |
 Slim.AI | Series A | $31M | Jan 2022 |
 Propelo | Series A | $12M | Nov 2021 |
| MMagnify | Seed | $6M | Nov 2021 |
 Spotnana | Series A | $34M | Sep 2021 |
| Botpress | Series A | $15M | Apr 2021 |
 Abacus.AI | Series B | $22M | Nov 2020 |
| Censys | Series A | $15.5M | Aug 2020 |
Top Co-Investors
Last updated: 15 April 2026