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SEALSQ has announced VaultIC409, a secure element built on its QS7001 platform and designed to support post-quantum algorithms alongside RSA and ECC. The company plans a TLS 1.3 demonstration at Electronica in November 2026 and says engineering samples are expected in the second quarter of 2027.
SEALSQ has announced VaultIC409, a secure element built on its QS7001 platform that is designed to support post-quantum cryptography alongside established RSA and ECC algorithms. The company says the device is intended to give manufacturers a route to updated cryptographic capabilities without redesigning their existing hardware security architecture; it has not yet announced general availability, and engineering samples are planned for Q2 2027.
SEALSQ says VaultIC409 supports ML-KEM (FIPS 203) for key establishment and ML-DSA (FIPS 204) for digital signatures, as well as RSA and elliptic-curve cryptography. Supporting both newer and established algorithms is intended to let device makers use hybrid approaches while preparing products for a future shift in cryptographic standards. The announcement describes the product’s capabilities and design; it does not provide independent performance results or customer deployment data.
The announced feature set includes a hardware Root of Trust, secure key management, dedicated cryptographic acceleration and a Serial Peripheral Interface, or SPI. SEALSQ says the accelerator is intended to handle computationally demanding cryptographic operations while keeping sensitive assets in a protected hardware environment. The company says SPI is included to handle the larger data exchanges associated with some post-quantum keys, signatures and certificates.
SEALSQ plans to show VaultIC409 in a TLS 1.3 application at Electronica, scheduled for November 10–13, 2026, at the company’s booth in Hall C6, stand 670. The demonstration is a planned event, not a report of tested performance in customer products. The company says engineering samples will be available in Q2 2027 for evaluation and integration work.
A Retrofit Path for Device Security
For manufacturers, the main practical question is whether they can add post-quantum protections without replacing established security designs. SEALSQ positions VaultIC409 as a way to extend its existing VaultIC product line into that work, targeting markets that include industrial equipment, smart energy and IoT devices. If the stated compatibility goal holds for particular products, it could reduce the scale of hardware changes needed to evaluate newer cryptographic methods.
The announcement also reflects a challenge for embedded systems: post-quantum algorithms can involve larger keys and signatures and heavier processing demands than many conventional cryptographic mechanisms. Secure elements are designed to protect device credentials and cryptographic operations, so their ability to accommodate those demands may affect device design, communication and certification plans. SEALSQ has not published comparative benchmarks, power or memory figures, or implementation details that would show how VaultIC409 performs against other options.
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QS7001 Certification and Product Line
VaultIC409 is an extension of SEALSQ’s VaultIC secure element portfolio and is aimed at the same established markets as the company’s VaultIC408, according to its announcement. The company says customers can pursue post-quantum capabilities without redesigning their existing hardware security foundation. That is a stated product goal; the announcement does not specify which existing designs or customer products can adopt VaultIC409 without changes.
The device is based on QS7001, which SEALSQ says is undergoing Common Criteria EAL5+ certification. The platform is not described as having completed certification. The company also points to anticipated security requirements in the United States and European Union as a reason for manufacturers to prepare, but its announcement does not identify specific rules, compliance deadlines or a formal regulatory approval for VaultIC409.
“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 for IoT devices
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Certification, Performance and Compatibility
Several product details remain unconfirmed in the announcement. QS7001 certification is still in progress, and SEALSQ has not provided a completion date or stated that VaultIC409 itself has received certification. It has also not published independent evaluations, detailed benchmark results, power or memory requirements, pricing, or a firm date for broader commercial availability.
It is also not clear which existing customer designs can use VaultIC409 without hardware changes, how it performs across the supported algorithms, or what additional system-level work would be needed to deploy it. SEALSQ’s references to approaching U.S. and European security requirements are not accompanied by named regulations or deadlines. The planned trade-show demonstration and future sample availability should not be taken as proof of commercial readiness or regulatory compliance.
cryptographic secure element for embedded systems
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Electronica Demo and Sample Evaluations
The next public milestone announced by SEALSQ is a TLS 1.3 demonstration at Electronica, November 10–13, 2026. It should give attendees an opportunity to see the company’s proposed use of the secure element in a connected-device security application, though the announcement does not specify what performance data or technical details will be presented.
SEALSQ says engineering samples are planned for Q2 2027, when customers and partners are expected to evaluate the device and begin integration activities. Further information on certification progress, sample specifications, pricing and commercial release will be needed to judge how readily manufacturers can adopt VaultIC409.
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Key Questions
What is VaultIC409?
VaultIC409 is a secure element announced by SEALSQ for embedded and connected devices. The company says it combines a hardware Root of Trust and cryptographic acceleration with support for post-quantum and established algorithms.
Which cryptographic algorithms does it support?
SEALSQ says VaultIC409 is designed to support ML-KEM (FIPS 203), ML-DSA (FIPS 204), RSA and ECC. The announcement does not include independent performance results for those algorithms.
When will VaultIC409 be available?
SEALSQ plans to demonstrate the device at Electronica on November 10–13, 2026. It expects engineering samples in Q2 2027; the company has not announced a general commercial release date.
Is the QS7001 platform already certified?
No completed certification is reported. SEALSQ says the underlying QS7001 platform is undergoing Common Criteria EAL5+ certification.
Does VaultIC409 require a hardware redesign?
SEALSQ says the product is intended to offer existing customers a path to post-quantum security without redesigning their hardware security architecture. The company has not specified which customer designs are compatible or what changes particular integrations may require.
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