CyberSeQ

Cover Block

Field	Value
Name	CyberSeQ
Tagline	AI-powered post-quantum cryptography migration platform for enterprises
Headquarters	Hamburg, Germany
Founded	2021
Stage	Pre-Seed
Business Model	SaaS
Industry	Cybersecurity
Technology Type	Quantum Computing / Post-Quantum Cryptography
Geography	Western Europe
Growth Profile	Venture Scale

Who Is Behind the Company

Founding Team: Mark Tehrani (CEO), Mahkame Houmani.

Links

• Website: https://www.cyberseq.io/home
• LinkedIn: https://de.linkedin.com/company/cybersec-dms
• Founder LinkedIn (Mark Tehrani): https://www.linkedin.com/in/madjid-tehrani/

What an Investor Needs First

CyberSeQ is a Hamburg-based cybersecurity company building tooling to help enterprises migrate from classical to post-quantum cryptography (PQC). The company was co-founded in 2021 by Mark Tehrani and Mahkame Houmani [Dealroom.co]; [Startup City Hamburg]. Its product centers on a modular platform combining cryptographic asset discovery and inventory (CADI) with automated refactoring [CyberSeQ website, retrieved 2026]. The founding CEO, Dr. Mark Tehrani, holds a PhD from The George Washington University and serves as an Adjunct Professor of Cloud Security at GWU [LinkedIn, retrieved 2026]. Public databases list CyberSeQ as unfunded [Tracxn, retrieved 2026]. In October 2025, the company announced a partnership with Quantum Brilliance and Luxembourg-based HPC operator LuxProvide to integrate certified quantum random numbers into a PQC reference architecture running on the MeluXina supercomputer [HPCwire]; [The Quantum Insider, October 2025].

Data Accuracy: GREEN -- Confirmed by Dealroom.co, PitchBook, Tracxn, HPCwire, and the company's own website.

Inside the Company

CyberSeQ was founded in 2021 in Hamburg, Germany by Mark Tehrani and Mahkame Houmani, and is registered in the Hamburg startup directory under the categories of quantum machine learning, cybersecurity, post-quantum cryptography, blockchain security, and cloud security [Startup City Hamburg]; [PitchBook]. The company positions itself as a provider of quantum computing cybersecurity solutions, focusing on the migration problem facing enterprises with code, certificates, and key material built on classical primitives such as RSA and ECC.

The most prominent public milestone is the October 2025 tri-party partnership with Quantum Brilliance and LuxProvide, the operator of the MeluXina supercomputer [HPCwire]; [Quantum Brilliance]; [The Quantum Insider, October 2025]. The consortium's objective is to integrate certified true random numbers into a reference PQC architecture. Mark Tehrani is quoted as Founder and CEO describing the offering as "quantum-secure, AI-smart, and cloud-native" [HPCwire].

Data Accuracy: GREEN -- Confirmed by PitchBook, Tracxn, Dealroom.co, and Startup City Hamburg, with milestone activity corroborated across HPCwire, The Quantum Insider, and Quantum Brilliance press releases.

Under the Hood

The CyberSeQ product is a modular platform addressing the end-to-end lifecycle of a post-quantum cryptography migration [CyberSeQ website, retrieved 2026]. Two components are named: a cryptographic asset discovery and inventory function (CADI) and an automated refactoring layer intended to update vulnerable cryptographic implementations [CyberSeQ website, retrieved 2026]. The company claims the platform is "90% faster than traditional crypto audits" [CyberSeQ website, retrieved 2026].

The technical architecture, as conveyed through the LuxProvide and Quantum Brilliance partnership, is a cloud-native PQC reference stack that ingests certified randomness generated by quantum hardware, with MeluXina identified as the HPC environment [HPCwire]; [The Quantum Insider, October 2025].

Data Accuracy: YELLOW -- Core product description corroborated by company website and Dealroom.co; quantitative performance claim is single-sourced to the company.

Market Research and Opportunity

The migration from classical to post-quantum cryptography is shifting from a research topic to a procurement requirement. In August 2024, the U.S. National Institute of Standards and Technology finalized its first three post-quantum cryptographic standards (FIPS 203, 204, and 205) [NIST, August 2024]. In Europe, the German Federal Office for Information Security (BSI) and France's ANSSI have published guidance recommending that operators of critical infrastructure begin cryptographic inventory and hybrid-PQC pilots [BSI guidance, 2024].

Demand drivers include the "harvest now, decrypt later" threat model, the scale of cryptographic refactoring inside large enterprises, and the regulatory convergence on cryptographic bills of materials (CBOM) [CyberSeQ website, retrieved 2026].

Catalyst	Year	Relevance to CyberSeQ
NIST finalizes FIPS 203 / 204 / 205 PQC standards	2024	Removes algorithm uncertainty for buyers
U.S. NSM-10 cryptographic inventory mandate	2022-2024	Validates discovery (CADI-style) tooling
BSI / ANSSI PQC migration guidance	2024	Creates EU regulatory pull in CyberSeQ's home market
Quantum Brilliance / LuxProvide consortium	October 2025	Anchors a referenceable EU HPC deployment

Data Accuracy: YELLOW -- Catalysts and partnership facts are confirmed by multiple public sources; valuation comparables are directional industry references.

Competition and Substitutes

CyberSeQ competes with PQC pure-plays, cryptography arms of large incumbents, and global systems integrators. In the PQC pure-play segment, competitors include PQShield and SandboxAQ [widely reported in trade press]. CyberSeQ's positioning rests on tooling depth in a niche historically served by services, with a geographic and architectural edge via its Hamburg base and LuxProvide partnership [HPCwire]; [The Quantum Insider, October 2025].

Data Accuracy: YELLOW -- Core product description corroborated by company website and Dealroom.co; quantitative performance claim is single-sourced to the company.

Opportunity

If CyberSeQ executes, the prize is becoming the European-native, tooling-first standard for enterprise post-quantum cryptography migration. The single largest plausible outcome is for CyberSeQ to become the default PQC migration platform for regulated mid-market and large European enterprises. NIST has removed algorithm uncertainty, BSI and ANSSI have provided regulatory pressure, and CyberSeQ has anchored itself inside a sovereign EU HPC stack [HPCwire]; [The Quantum Insider, October 2025]; [CyberSeQ website, retrieved 2026].

Scenario	What happens	Catalyst	Why it's plausible
EU sovereign PQC stack	CyberSeQ becomes the discovery/refactoring layer bundled with EuroHPC sites	A second EuroHPC operator joins the LuxProvide-style integration	LuxProvide consortium already signed [HPCwire]
Regulated mid-market wedge	CyberSeQ wins 20-50 named German and Benelux financial / industrial customers via CBOM compliance	BaFin or ECB issues PQC inventory expectation	BSI guidance already published [BSI, 2024]
OEM / embed motion	CADI is embedded inside a larger PKI or HSM vendor's PQC module	Distribution partnership with an incumbent CA	Incumbents lack a discovery-first product today

Data Accuracy: YELLOW -- Catalysts and partnership facts are confirmed by multiple public sources; valuation comparables are directional industry references.

Sources

1. [PitchBook] CyberSeQ 2026 Company Profile: Valuation, Funding & Investors | https://pitchbook.com/profiles/company/589299-67
2. [Dealroom.co] CyberSeQ company information, funding & investors | https://app.dealroom.co/companies/cyberseq
3. [Startup City Hamburg] CyberSeQ profile | https://startupcity.hamburg/startups-ecosystem/cyberseq
4. [CyberSeQ website, retrieved 2026] Post-Quantum Cryptography Migration Platform | https://www.cyberseq.io/home
5. [Tracxn, retrieved 2026] CyberSeQ - 2025 Company Profile, Team & Competitors | https://tracxn.com/d/companies/cyberseq/__rxI7QoPJHwAer8iTlYD_QIWVDmJDJjx8m9QGVkzM1Zk
6. [HPCwire] Quantum Brilliance, CyberSeQ and LuxProvide Partner to Advance Post-Quantum Cryptography with Certified Randomness | https://www.hpcwire.com/off-the-wire/quantum-brilliance-cyberseq-and-luxprovide-partner-to-advance-post-quantum-cryptography-with-certified-randomness/
7. [LinkedIn, retrieved 2026] Dr. Mark Tehrani profile | https://www.linkedin.com/in/madjid-tehrani/
8. [SCynergy] Mark Tehrani speaker profile | https://www.scynergy.events/speaker/6dffd9e8-7d1c-f011-8b3d-6045bdf3ac94/mark-tehrani
9. [The Quantum Insider, October 2025] Quantum Brilliance, CyberSeQ And LuxProvide Partner to Advance Post-Quantum Cryptography With Certified Randomness | https://thequantuminsider.com/2025/10/01/quantum-brilliance-cyberseq-and-luxprovide-partner-to-advance-post-quantum-cryptography-with-certified-randomness/
10. [Quantum Brilliance] Press release: PQC partnership with CyberSeQ and LuxProvide | https://quantumbrilliance.com/press-release/quantum-brilliance-cyberseq-and-luxprovide-partner-to-advance-post-quantum-cryptography-with-certified-randomness
11. [Quantum Computing Report] Quantum Brilliance, CyberSeQ, and LuxProvide Partner on PQC with Certified Randomness | https://quantumcomputingreport.com/quantum-brilliance-cyberseq-and-luxprovide-partner-on-pqc-with-certified-randomness/
12. [Digital Infra Network] Quantum Brilliance, CyberSeq & LuxProvide combat against threats to cybersecurity and encryption | https://digitalinfranetwork.com/news/quantum-brilliance-cyberseq-luxprovide-combat-against-threats-to-cybersecurity-and-encryption/
13. [LinkedIn] CyberseQ company page | https://de.linkedin.com/company/cybersec-dms