Total raised
$54.0M
Last: Series B 2021-12
Stage
Series B
Founded
2017
Headcount
54
HQ
Tel Aviv-Yafo
Sector
Cyber Security
About
Cylus was founded to help mainline and urban railway companies avoid safety incidents and service disruptions caused by cyberattacks. Cylus offers solutions that are specifically designed to address the unique requirements and needs of the railway industry, enabling the detection of cyber threats in signaling and control networks, trackside, and onboard and facilitating an effective response before harm occurs. Led by veterans from the Israel Defense Forces Elite Technological Unit along with top executives from the railway industry, Cylus combines deep expertise in the areas of both cybersecurity and rail.
Funding history · 4 rounds · $54.0M total
2021-12
Series B
$30.0M
2020-12
Undisclosed
$7.0M
2019-06
Series A
$12.0M
2017-08
Seed
$5.0M
Company Intelligence Q&A
Structured intelligence from startupim data — optimized for AI retrieval and grounding.
- What is Cylus's primary focus?
- Cylus specializes in railway cybersecurity solutions, aiming to prevent safety incidents and service disruptions in mainline and urban railway systems caused by cyberattacks.
- When was Cylus founded and where is its headquarters?
- Cylus was founded in April 2017 and is headquartered in Tel Aviv-Yafo, Israel.
- How much funding has Cylus raised in total?
- Cylus has raised a total of $54,000,000 across multiple funding rounds. For a full financing history, please refer to startupim.
- Which investors led Cylus's Series B funding round?
- In December 2021, Cylus raised a $30,000,000 Series B round led by Ibex Investors.
- What was a significant partnership announced by Cylus in May 2025?
- In May 2025, Cylus partnered with duagon to deliver a fleetwide cybersecurity solution for rolling stock.
- What is Cylus's involvement with UNIFE?
- In June 2022, Cylus joined UNIFE to enhance rail cybersecurity efforts in Europe and globally.
- What strategic cooperation did Cylus establish with Alstom in December 2020?
- In December 2020, Alstom invested in Cylus and signed a strategic cooperation agreement. This led to the roll-out of an advanced rail cybersecurity solution for the Tel-Aviv Red line Urbalis signaling system in December 2021.
- What certifications did Cylus achieve in November 2019?
- In November 2019, Cylus achieved ISO 27001 and ISO 9001 certifications.
- What award did Cylus win in December 2019?
- In December 2019, Cylus won the UIC Digital Award for Safety.
Sectors & technology
Primary sector
Cyber Security
Sub-sectors
Cyber SecurityIndustrial SecurityAutomotive & Mobility TechnologiesUrban Mobility
Technologies
Platforms & InterfacesSoftware
Target customers
Transportation & LogisticsTransportation InfrastructureRoad & Rail
Business model
B2BB2G
Highlights
1 PatentsVerified
Tags
defensecyber-securitypublic-transportationsmart-citycyber-threat-analysistransportationnetwork-securitysmart-mobilitytrainstrafficthreat-detection