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SEALSQ has announced VaultIC409, a secure element based on its QS7001 platform that is designed to support post-quantum algorithms alongside RSA and ECC. The company plans to demonstrate it at Electronica in November 2026 and expects engineering samples in Q2 2027; the platform is undergoing Common Criteria EAL5+ certification.
SEALSQ has announced VaultIC409, a secure element built on its QS7001 platform and designed to support post-quantum cryptography alongside established algorithms such as RSA and ECC. The company says the product targets markets served by its VaultIC408 and is intended to give existing customers a path to quantum-resistant security without redesigning their hardware security foundation.
VaultIC409 is designed to support ML-KEM (FIPS 203) for key establishment and ML-DSA (FIPS 204) for digital signatures, as well as RSA and elliptic-curve cryptography. SEALSQ says it combines a hardware Root of Trust, cryptographic agility, dedicated cryptographic acceleration and a Serial Peripheral Interface (SPI) connection. The company describes the accelerator as handling heavy cryptographic operations while keeping sensitive cryptographic assets in a protected hardware environment.
SEALSQ plans to demonstrate the device through a TLS 1.3 application at Electronica, scheduled for November 10–13, 2026. The company expects engineering samples to become available in Q2 2027 so customers and partners can evaluate the device and begin integration work. Those are planned milestones, not confirmation that samples are already available or that a commercial release date has been set.
The underlying QS7001 platform is undergoing Common Criteria EAL5+ certification, according to SEALSQ. That status describes an ongoing certification process; the announcement does not say the platform has completed certification. The company did not provide technical test results, performance figures or independent evaluations of VaultIC409 in the supplied announcement.
A PQC Path for Existing Device Designs
VaultIC409 addresses a practical challenge for manufacturers: adopting post-quantum algorithms can require more data to be exchanged and can impose different computational demands than many conventional cryptographic systems. SEALSQ says the device is designed to support those workloads while fitting into markets served by VaultIC408, potentially reducing the need for customers to replace their broader hardware security architecture.
Support for both post-quantum and classical algorithms could also let manufacturers plan hybrid security approaches as standards and product requirements develop. The announcement describes intended capabilities, not proof that every existing design can adopt VaultIC409 without changes. Actual integration effort, protocol compatibility, performance and product qualification will depend on customer systems and remain to be demonstrated.
The development is relevant to companies building industrial, smart-energy and IoT devices, where products can remain deployed for years and may need security updates over their lifetimes. SEALSQ CEO Carlos Moreira cited approaching EU and U.S. security requirements as a reason manufacturers should prepare, but the announcement does not identify particular rules or establish that VaultIC409 meets any specific regulatory requirement.
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From VaultIC408 to QS7001
VaultIC409 extends SEALSQ’s VaultIC secure-element portfolio and is aimed at the same established markets as VaultIC408, according to the company. A secure element is a hardware component used to protect cryptographic keys and support device identity and secure communications. SEALSQ presents the new device as a way to add support for newer algorithms while retaining a familiar hardware-security foundation for existing customers.
The announcement frames the product around preparation for future quantum capabilities that could threaten some widely used public-key cryptography, including RSA and ECC. It also points to larger keys, signatures and certificates associated with post-quantum mechanisms as embedded-device design considerations. The company says SPI connectivity is intended to handle the exchange of larger cryptographic data sets between the secure element and its host.
SEALSQ’s release describes VaultIC409’s intended features and schedule; it does not report a completed certification, commercial availability or independent security assessment. The product’s planned public demonstration and the later availability of engineering samples are the next stated steps in its development.
“VaultIC409 gives our customers a direct path to post-quantum security on a certified platform they already know.”
— Carlos Moreira, SEALSQ founder and CEO
hardware security module with cryptographic acceleration
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Certification and Product Readiness
Several points remain open. SEALSQ has not announced completion of Common Criteria EAL5+ certification for the QS7001 platform, and it has not provided a final commercial release date or pricing for VaultIC409. Engineering samples are expected in Q2 2027, but the schedule is a company plan and could change.
The announcement also gives no benchmark results, power-consumption figures, algorithm implementation details or independent security testing. It does not specify how much redesign or software adaptation individual customers may need, nor does it identify the EU and U.S. requirements mentioned by Moreira. The planned TLS 1.3 demonstration may provide more information, but a demonstration alone would not establish performance or certification status.
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Electronica Demo and Sample Evaluations
SEALSQ says it will demonstrate VaultIC409 with a TLS 1.3 application at Electronica, November 10–13, 2026, at Hall C6, booth 670. That event is the next public milestone identified in the announcement and may offer a closer look at how the company intends the secure element to work with connected-device communications.
The next stated development step is the planned release of engineering samples in Q2 2027 for customer and partner evaluation. Those evaluations should clarify integration requirements and practical performance. The company has not announced a production schedule, certification completion date or broader availability timeline.
cryptographic hardware root of trust
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Key Questions
What is SEALSQ’s VaultIC409?
VaultIC409 is a secure element built on SEALSQ’s QS7001 platform. It is designed to protect cryptographic assets and support security functions in connected devices.
Which cryptographic algorithms is it designed to support?
SEALSQ says VaultIC409 is designed for ML-KEM (FIPS 203), ML-DSA (FIPS 204), RSA and ECC. The company describes support for post-quantum and established cryptographic mechanisms, but has not published independent test results in the announcement.
When will VaultIC409 be available?
SEALSQ expects engineering samples in Q2 2027. It has not announced a commercial availability date or pricing.
Is VaultIC409 certified?
The company says the underlying QS7001 platform is undergoing Common Criteria EAL5+ certification. Its announcement does not say certification is complete.
Where will SEALSQ demonstrate the product?
SEALSQ plans a TLS 1.3 demonstration at Electronica, November 10–13, 2026, at Hall C6, booth 670.
Source: rss
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