SEALSQ QS7001 V1 Successfully Completes Common Criteria EAL5+ Technical Security Evaluation at SERMA, as Announced at the “Uncovering the Coming Wave of Quantum + AI” Event in NYC

Formal certificate issuance still depends on site audits scheduled for January 2027 and subsequent submission to ANSSI.

Rhea-AI Summary

SEALSQ (NASDAQ: LAES) completed the Common Criteria EAL5+ technical security evaluation of its QS7001 V1 secure element at SERMA. All physical and functional security tests passed, including the penetration-test campaign. This completes the technical evaluation, not formal certification.

Remaining steps include audits of SEALSQ's Meyreuil site, including its clean room, and renewal audits of two partner sites, scheduled for January 2027. After successful audits, the evaluation report will go to ANSSI for certificate issuance. SEALSQ expects the V2 full post-quantum evaluation in January 2027 and targets formal certification for 2027.

VaultIC409 and QVault TPM use the QS7001 hardware platform; SEALSQ expects both to benefit from its hardware certification level. As of September 30, 2026, 42 prospective customers and partners were evaluating QS7001 and QVault TPM.

Positive

• Minor pointQS7001 V1 passed all physical and functional security tests, completing its EAL5+ technical evaluation on schedule.
• Minor point. Forward-looking: it has not happened yet and may not happen.SEALSQ expects VaultIC409 and QVault TPM to benefit from the QS7001 platform's hardware certification level.
• Minor point42 prospective customers and partners were evaluating QS7001 and QVault TPM as of September 30, 2026.
• Minor point. Forward-looking: it has not happened yet and may not happen.SEALSQ expects the V2 full post-quantum evaluation in January 2027.

Negative

• Minor point. Forward-looking: it has not happened yet and may not happen.Formal certification remains pending; January 2027 site audits must pass before report submission to ANSSI.

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Key Figures

Assurance level: EAL5 augmented with ALC_DVS.2 and AVA_VAN.5 Site audits: January 2027 V2 full post-quantum evaluation: January 2027 +2 more

Assurance level

EAL5 augmented with ALC_DVS.2 and AVA_VAN.5

QS7001 technical evaluation; laboratory letter reports PASS

Site audits

January 2027

Scheduled audits remain before formal certificate issuance

V2 full post-quantum evaluation

January 2027

Expected timing

Formal certification

2027

Targeted timing after the remaining audit and administrative steps

Prospective customers and partners evaluating

42

QS7001 and QVault TPM, as of September 30, 2026

Key Terms

side-channel attacks, fault injection, entropy source validation, pki

4 terms

side-channel attacks technical

"resistance of the chip to physical and side-channel attacks"

Side-channel attacks are methods hackers use to gather secrets by observing indirect clues from a device or system—such as power use, timing, electromagnetic emissions, or error messages—rather than breaking the software directly. Think of it like deducing a safe’s combination by listening to the tumblers instead of picking the lock. For investors, these attacks can lead to data breaches, product recalls, regulatory penalties, lost sales and reputational damage that reduce a company’s value.

fault injection technical

"including fault injection, as well as the correct and secure operation"

Fault injection is a testing technique that deliberately introduces errors or failures into hardware, software or control systems to see how they behave under stress. For investors, it reveals how well a company can prevent outages, safety incidents or cyberattacks, much like intentionally tripping a circuit breaker to confirm backup power works; stronger resilience reduces the risk of costly downtime, regulatory penalties and damage to reputation.

entropy source validation technical

"the NIST SP 800-90B Entropy Source Validation obtained by QS7001"

The process of testing and confirming that a source of randomness produces unpredictable, sufficiently varied values for use in cryptography, secure key generation, and other security functions. Like checking that a coin is fair before using it to make decisions, validation ensures the random numbers are not biased, reproducible, or predictable. Investors care because weak or unvalidated entropy can undermine encryption, digital signatures, and wallet security, creating operational, regulatory, and financial risk.

pki technical

"Semiconductors, PKI, and Post-Quantum technology hardware and software products"

PKI (Public Key Infrastructure) is a system that creates and manages digital “keys” and electronic certificates to prove identities and secure online communications, like a bank vault and ID card for data. For investors, PKI matters because it helps prevent fraud, ensures that financial documents and trading instructions are genuine, and reduces regulatory and operational risk tied to hacked accounts or tampered disclosures.

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Geneva, Switzerland, Oct. 27, 2026 (GLOBE NEWSWIRE) --

All physical and functional security tests passed. Certification enters its final site audit and administrative phase ahead of formal certificate issuance by ANSSI

Geneva, Switzerland, October 27, 2026 -- SEALSQ Corp (NASDAQ: LAES) ("SEALSQ" or "Company"), a company that focuses on developing and selling Semiconductors, PKI, and Post-Quantum technology hardware and software products, today announced that its QS7001 secure element has successfully completed the technical evaluation phase of its Common Criteria EAL5+ certification.

All physical and functional security tests on QS7001 V1, performed by SERMA Safety & Security, an evaluation laboratory licensed by the French National Cybersecurity Agency (ANSSI), have been completed with a PASS result. The laboratory official letter states that “The penetration test campaign is closed with a final verdict to PASS. The letter adds that” the claimed assurance level is EAL5 augmented with ALC_DVS.2 and AVA_VAN.5”

The result is a major milestone not only for QS7001 but for SEALSQ's wider family of quantum-resistant hardware. SEALSQ's new secure products are developed by adding dedicated firmware on top of the QS7001 hardware platform. VaultIC409, the new quantum-ready secure element, and QVault TPM, the post-quantum Trusted Platform Module, are both built this way and will therefore benefit from the same hardware certification level. Both products will be showcased at electronica 2026 in Munich, November 10 to 13 (Hall C6, booth 670).

Very few companies have the capability to reach this level of certification. The expertise required to design, test and certify such chips takes many years to build in-house, which makes certified secure hardware a scarce strategic asset as governments and industries prepare for the post-quantum transition.

Common Criteria EAL5+ is one of the most demanding security assurance levels for secure hardware. The technical evaluation covers the resistance of the chip to physical and side-channel attacks, including fault injection, as well as the correct and secure operation of its security functions. It follows the fault-injection and side-channel testing completed in March 2026 and the NIST SP 800-90B Entropy Source Validation obtained by QS7001 in May 2026 (Certificate #E333).

With all technical evaluation activities completed, the certification process has entered its final phase. This milestone was completed on schedule, with the V2 full post-quantum evaluation expected in January 2027 and formal certification targeted for 2027. The remaining steps include audits of the sites involved in the development, production and engineering assembly of the product: a new audit scope for SEALSQ's site in Meyreuil, France, which now includes its clean room, and the renewal audits of two partner sites. These audits are scheduled for January 2027. Once they have been passed, the evaluation report will be submitted to ANSSI for the formal issuance of the certificate.

For customers, this milestone means that the security of QS7001 has now been fully tested by an independent laboratory. Customers can use these results to move ahead with their design and product launch plans based on the completed technical evaluation, a common practice for secure semiconductors at this stage of certification.

"Passing every physical and functional test at the EAL5+ level is the result that matters most to our customers," said Carlos Moreira, Founder, Chairman and CEO of SEALSQ. "Security features are not certified security. With the technical phase of the evaluation complete, manufacturers can build on QS7001, VaultIC409 and QVault TPM with confidence today, while the final audits and the formal certificate follow."

QS7001 is SEALSQ's post-quantum secure element platform. It combines a hardware Root of Trust with NIST-standardized post-quantum algorithms ML-KEM (FIPS 203) and ML-DSA (FIPS 204) alongside classical cryptography. As of September 30, 2026, 42 prospective customers and partners were evaluating QS7001 and QVault TPM.

"Manufacturers in smart energy, industrial, medical and connected device markets are preparing for new EU and U.S. security requirements and for the move to post-quantum cryptography," said Gweltas Radenac, Product Marketing Director at SEALSQ. "Completing the EAL5+ technical evaluation of QS7001 gives them a hardware foundation that has already proven its resistance to attack, and a clear path to post-quantum security on the same platform."

About SEALSQ:
SEALSQ is a leading innovator in Post-Quantum Technology hardware and software solutions. Our technology seamlessly integrates Semiconductors, PKI (Public Key Infrastructure), and Provisioning Services, with a strategic emphasis on developing state-of-the-art Quantum Resistant Cryptography and Semiconductors designed to address the urgent security challenges posed by quantum computing. As quantum computers advance, traditional cryptographic methods like RSA and Elliptic Curve Cryptography (ECC) are increasingly vulnerable.

SEALSQ is pioneering the development of Post-Quantum Semiconductors that provide robust, future-proof protection for sensitive data across a wide range of applications, including Multi-Factor Authentication tokens, Smart Energy, Medical and Healthcare Systems, Defense, IT Network Infrastructure, Automotive, and Industrial Automation and Control Systems. By embedding Post-Quantum Cryptography into our semiconductor solutions, SEALSQ ensures that organizations stay protected against quantum threats. Our products are engineered to safeguard critical systems, enhancing resilience and security across diverse industries.

For more information on our Post-Quantum Semiconductors and security solutions, please visit www.sealsq.com.

Forward-Looking Statements
This communication expressly or implicitly contains certain forward-looking statements concerning SEALSQ Corp and its businesses. Forward-looking statements include statements regarding our business strategy, financial performance, results of operations, market data, events or developments that we expect or anticipate will occur in the future, as well as any other statements which are not historical facts. Although we believe that the expectations reflected in such forward-looking statements are reasonable, no assurance can be given that such expectations will prove to have been correct. These statements involve known and unknown risks and are based upon a number of assumptions and estimates which are inherently subject to significant uncertainties and contingencies, many of which are beyond our control. Actual results may differ materially from those expressed or implied by such forward-looking statements. Important factors that, in our view, could cause actual results to differ materially from those discussed in the forward-looking statements include SEALSQ's ability to continue beneficial transactions with material parties, including a limited number of significant customers; market demand and semiconductor industry conditions; and the risks discussed in SEALSQ's filings with the SEC. Risks and uncertainties are further described in reports filed by SEALSQ with the SEC.

SEALSQ Corp is providing this communication as of this date and does not undertake to update any forward-looking statements contained herein as a result of new information, future events or otherwise.

SEALSQ Corp. Carlos Moreira Chairman & CEO Tel: +41 22 594 3000 info@sealsq.com

SEALSQ Investor Relations (US) The Equity Group Inc. Lena Cati Tel: +1 212 836-9611 lena.cati@theequitygroup.com

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did SEALSQ's QS7001 V1 security evaluation achieve?

QS7001 V1 passed all physical and functional security tests performed by SERMA Safety & Security for its Common Criteria EAL5+ technical evaluation. The penetration-test campaign closed with a PASS verdict. This milestone does not constitute formal certificate issuance.

When does SEALSQ expect formal QS7001 certification?

SEALSQ targets formal certification for 2027. Audits scheduled for January 2027 cover the expanded scope of its Meyreuil site, including its clean room, and renewal audits of two partner sites. After those audits pass, the evaluation report will be submitted to ANSSI for formal certificate issuance.

What earlier security validation did SEALSQ's QS7001 obtain?

QS7001 obtained NIST SP 800-90B Entropy Source Validation in May 2026 under Certificate #E333. Fault-injection and side-channel testing had also been completed in March 2026.