Cylus
Cylus is a cybersecurity company specializing in Cyber-Physical Security, founded in 2017 and headquartered in Tel Aviv, Israel. It has raised $57M in equity across 4 priced rounds, employs about 39 people, and is privately held.
updated Oct 11, 2026
Latest Cylus news and company activity
What Cylus did, dated — selected moves from the record, one per kind, newest first.
- Oct 2026PartnershipCylus, Moxa Team on Rail Cybersecurity
- Aug 2024PartnershipDigi and Cylus provide cyber security for rail networks
- Sep 2022PartnershipBelden and Cylus Partner to Offer Enhanced Cybersecurity Protection for Railway Rolling Stock and Signaling Systems
- Nov 2019Recognition
Cylus Momentum score
41/ 100
Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.
Cylus funding
Cylus has raised $57M in priced equity. Its most recent round was a Series B in December 2021. It has 4 funding rounds on record: Seed, Series A, Series A, and Series B. 13 investors are on record, including Ibex Investors and Vertex Growth Fund.
- Equity raised
- $57M4 priced rounds
- Last round
- Series BDec 2021
Cylus employees and hiring
As of September 2026, Cylus has about 39 employees, down 2% over the last 30 days.
- Employees
- 39
- 30-day change
- -2%
- Open roles
- 0
Cylus competitors
Competitors of Cylus include PacketViper, Simplesense, and TXOne Networks. 25 more are in the platform, with overlap scoring.
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The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobslive postings, hiring pace, role mix
- Tech stackframeworks, clouds, security
