Recently funded Series B Computer and Network Security startups
Adamlead tracks 7 Series B Computer and Network Security startups, with 41 contacts on file. Together they report $448M in funding, the newest round dated Oct 2, 2026. They have 17 open roles between them. The median company employs 100 people. Browse them below, newest rounds first, or sign up to reveal verified contacts across the segment.
- Funding on file
- $448M
- Open roles
- 17
- Median company size
- 100 employees
- Most common stage
- Series B
across 3 companies reporting an amount, newest Oct 2, 2026
Series B 7
Latest rounds in this segment
| Company | Size | Location | Last round | Contacts |
|---|---|---|---|---|
 Onyx Security | 51-200 | New York, United States | Jul 29, 2026 | 26 |
 Armadin | 51-200 | Palo Alto, United States | Oct 2, 2026 | 10 |
| Sweet Security | – | Tel Aviv-Yafo, Israel | – | 1 |
 depthfirst | 51-200 | San Francisco, United States | Mar 3, 2026 | 1 |
| Upwind | – | San Francisco, United States | – | 1 |
| Truffle Security | – | San Francisco, United States | – | 1 |
| Vega | – | New York, United States | – | 1 |
Common roles in this segment
Other Series B industries
Computer and Network Security startups at other stages
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Frequently asked questions
How many Series B Computer and Network Security startups are there?
Adamlead currently tracks 7 Series B Computer and Network Security startups, each with a known funding date. The list grows as new rounds are reviewed and added.
How much have Series B Computer and Network Security startups raised?
The 3 that disclose an amount have raised $448M in total. Undisclosed amounts are left out rather than estimated.
Are Series B Computer and Network Security startups hiring?
Yes. 17 open roles, read off each company's own careers page. Open a company to see its list.
Can I get contact details for these companies?
Yes. With Lifetime access, revealing a decision-maker's email costs one credit, from 5,000 a month. Every email carries a status and a confidence score.