CYSEC

VerifiedEarly stage
Confidential ComputingSatellite Cybersecurity

CYSEC focuses on confidential computing and satellite cybersecurity.

Confidential ComputingSatellite CybersecurityCYSECcybersecuritycomputingsatellite
Esch-sur-Alzette11-50 employeesFounded EN
5/5 verified · 7 sources on record
Visit website
Work here? Verify ownership in ~2 min.

Free verification proves website control and lets the business keep this profile accurate.

OverviewAbout CYSEC

CYSEC focuses on confidential computing and satellite cybersecurity.

Track recordMilestones & press

award

Won a €100,000 CASSINI Challenge award for satellite security

source: linkedin.com

award

CASSINI Prize - CYSEC was named among the 12 winners of the EU’s 2026 CASSINI Challenges and received €100,000 for its satellite security technology.

grant

Became fully eligible for sovereign EU programs including IRIS² and Galileo

source: cysec.com

expansion

Closed a CHF 4 million seed extension and expanded to Toulouse

source: ggba.swiss

funding

Raised CHF 4 million (seed extension (group-level, CYSEC SA)), backed by Line Break Capital, Indaco Venture Partners

source: ggba.swiss

press

CYSEC was founded by Patrick Trinkler and Yacine Felk

source: cysec.com

press

Founding - CYSEC states that it was founded in 2018.

source: cysec.com

press

Esch-sur-Alzette headquarters - CYSEC lists its headquarters as Esch-sur-Alzette, Luxembourg.

source: cysec.com

FundingPublicly reported rounds

Publicly reported funding rounds for CYSEC
YearRoundAmountInvestorsSource
seed extension (group-level, CYSEC SA)CHF 4 millionLine Break Capital, Indaco Venture Partnersggba.swiss

amounts as reported in press coverage, not verified against filings

Knowledge baseQuestions people ask

What does CYSEC do?

CYSEC focuses on confidential computing and satellite cybersecurity.

Where is CYSEC based?

CYSEC is based in Esch-sur-Alzette, Luxembourg.

Who are the co-founders of CYSEC and what are their roles?

Patrick Trinkler is CEO & Co-Founder and Yacine Felk is COO & Co-Founder of CYSEC.

When was CYSEC founded?

CYSEC states that it was founded in 2018.

What recent award did CYSEC receive and for what technology?

In 2026, CYSEC was named among the 12 winners of the EU’s CASSINI Challenges and received €100,000 for its satellite security technology.

These Q&A pairs are the company's static KB file: the records the chat/search deployment indexes to ground its answers.

ProvenanceEvery field, with its source

Open a source to inspect the evidence. Labels distinguish official records, company-published facts, third-party reporting, and derived values.

Provenance of each data field for CYSEC: value, source, and date checked
FieldValueSourceChecked
displayNameCYSECcysec.comcompanyOwned
sectorConfidential Computing / Satellite Cybersecuritycysec.comcompanyOwned
legalNameCYSECLuxembourg Business Registers (RCS)official
rcsNumberB295722Luxembourg Business Registers (RCS)official
legalFormSALuxembourg Business Registers (RCS)official
registrationDate2025-04-23Luxembourg Business Registers (RCS)official
registeredOffice9, Avenue des Hauts-Fourneaux, L-4362 Esch-sur-AlzetteLuxembourg Business Registers (RCS)official
founded2025Luxembourg Business Registers (RCS)official
teamSize11-50researcher note (source pending)pending·
stageearly (Seed-stage funding ~EUR 4.00M)derived from funding records and team size on filethirdParty
coordinates49.50228582, 5.949105782 (9, Avenue des Hauts-Fourneaux, L-4362 Esch-sur-Alzette)Geoportail BD-Adressesofficial
linkedinhttps://www.linkedin.com/company/cysecsystemslinkedin.comthirdParty
longDescription(about text)cysec.comcompanyOwned
annualAccountspendingCentrale des Bilans queuedpending·
publicPresenceLinkedIn + 5 press/news sourceslinkedin.comthirdParty
logo/logos/cysec.pngcysec.comcompanyOwned