Cylus

Cybersecurity on Track

Cylus was founded in 2017, is headquartered in Tel Aviv, Israel, lists 51–200 employees, and has $53.7M in recorded funding across 4 rounds.

Headquarters
Tel Aviv
Employees
51–200
Founded
2017
Business Model
B2B
Website
cylus.com
Total Funding
$53.7M
Last Round
$30.0M Series BDec 2021
Rounds
4

Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.

Indexed holds 4 funding rounds and 7 investors for this company. The full record is or through the API.

About

Cylus provides rail operators worldwide with a specialized cybersecurity platform ensuring service availability and safety. Combining deep rail and cybersecurity expertise, Cylus has pioneered a solution for real-time asset visibility and threat detection across heterogeneous rail operating technology environments including CBTC, ERTMS, PTC, and Computer-Based Interlocking systems. The company serves freight, passenger, metro, and light rail operators globally. Raised $57M from Magma Venture Partners, Vertex Ventures Israel, and Alstom.

Summary

Cylus is a Cybersecurity company based in Tel Aviv, Israel, founded in 2017. It lists 51–200 employees. It has raised $53.7M in total across 4 rounds, most recently a $30.0M Series B round in Dec 2021. Investors include Magma Venture Partners, Vertex Ventures and Ibex Investors.

Tech & App Stack

6 technologies & apps tracked

Every product and vendor across these categories, with where each signal came from.

Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.

Funding History

Series BSeries BDec 2021
$30.0M

Sign up to see all 4 events

Funding: Seed through Series B. Amounts, valuations, and investors where available.

Investors

Similar Companies

Quest Software Inc.Acquired

Quest Software provides data management, cybersecurity, and platform-modernization technology tha...

Austin, United States1001–5000Cloud, Cybersecurity
Growth EquityTotal funding$5.8BMay 2025
Exclusive NetworksIPO

Exclusive Networks accelerates cybersecurity and cloud-solution partners through global distribut...

Boulogne-Billancourt, France1001–5000Cybersecurity
Private EquityTotal funding$3.7BJan 2024
Bluecoat (Symantec)Acquired

Blue Coat Systems was a network security company providing web filtering and SSL inspection produ...

Sunnyvale, United States1001–5000Cybersecurity
Private EquityTotal funding$3.7BMar 2015
Picnic

Social engineering prevention platform managing the human attack surface for enterprises; rebrand...

Amsterdam, Netherlands11–50Cybersecurity
Growth EquityTotal funding$3.1BNov 2025
PalantirIPO

Palantir Technologies builds data integration and analytics platforms (Gotham and Foundry) for go...

Denver, United States1001–5000Analytics, Artificial Intelligence
Private EquityTotal funding$3.1BJul 2020
Ping IdentityIPO

Enterprise identity security platform providing intelligent identity solutions including single s...

Denver, United States1001–5000Cybersecurity, Identity
Private EquityTotal funding$2.9BOct 2022

Your company? Embed this profile

Add the live badge to your site — it stays current as your funding data updates.

Cylus on Indexed.vc
<a href="https://indexed.vc/companies/cylus"><img src="https://indexed.vc/api/badge/company/cylus" alt="Cylus on Indexed.vc" width="260" height="76" /></a>