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SEALSQ has announced VaultIC409, a secure element built on its QS7001 platform to support post-quantum algorithms alongside RSA and ECC in connected devices. The company plans a TLS 1.3 demonstration in November 2026 and expects engineering samples in Q2 2027; certification and product performance details remain pending.
SEALSQ has announced VaultIC409, a secure element designed to support post-quantum cryptography in connected devices while allowing manufacturers to retain their existing hardware security architecture. The company says the device, built on its QS7001 platform, will support newer algorithms alongside RSA and ECC, but engineering samples are not expected until Q2 2027.
VaultIC409 is designed to support ML-KEM (FIPS 203) for key establishment and ML-DSA (FIPS 204) for digital signatures, as well as established RSA and elliptic-curve cryptography (ECC). SEALSQ says the mix is intended to let manufacturers use classical and post-quantum mechanisms together as they update security in connected products.
The company describes the device as combining a hardware Root of Trust, protected key management, dedicated cryptographic acceleration and a Serial Peripheral Interface (SPI) connection to a host device. SEALSQ says SPI is intended to accommodate the larger keys, signatures and certificates associated with post-quantum cryptography. These are design claims from the company; the announcement does not provide independent performance measurements or product test results.
SEALSQ plans to demonstrate VaultIC409 through a TLS 1.3 application at Electronica, scheduled for November 10–13, 2026. The company says the demonstration will take place at Hall C6, booth 670. It expects to make engineering samples available in Q2 2027 for customer and partner evaluation. The underlying QS7001 platform is undergoing Common Criteria EAL5+ certification, according to the announcement.
A Migration Path for Device Security
Secure elements are hardware components used to protect cryptographic keys and support device authentication and secure communications. If manufacturers can add post-quantum algorithms through a component that fits existing hardware designs, they may be able to evaluate new security approaches without replacing a broader system architecture. SEALSQ presents VaultIC409 as such a path for customers in industrial, smart-energy and IoT markets.
The announcement also reflects a practical challenge in moving to post-quantum cryptography: newer algorithms can involve larger data structures and more computational work than familiar methods. A product’s algorithm support alone does not establish how well it performs in a specific device or network. Manufacturers will need to assess integration, speed, memory and communication requirements against their own products before selecting a solution.
SEALSQ’s stated aim of supporting classical and post-quantum algorithms may let customers plan staged deployments or hybrid arrangements. The announcement does not specify which algorithm combinations will be demonstrated, nor does it report customer deployments. Those details will matter to buyers deciding whether the secure element meets their technical and certification needs.
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From VaultIC408 to QS7001
SEALSQ says VaultIC409 targets the same established markets as its VaultIC408 product and is intended to give existing customers a route to post-quantum security without redesigning their hardware security foundation. The company has not supplied detailed compatibility information in the announcement, so the extent of reuse across particular designs is not yet clear.
The product is based on the QS7001 platform, which is undergoing Common Criteria EAL5+ certification. That status means certification is in progress; the announcement does not say that the platform has completed certification. SEALSQ argues that the platform and support for established algorithms can help manufacturers prepare for changing security needs, but it does not identify particular regulations or compliance deadlines.
The company frames the launch against the prospect that future quantum computers could undermine some widely used public-key cryptography, including RSA and ECC. The timing and practical capabilities of such machines remain uncertain. The product announcement is therefore about preparing device designs for a possible future threat, rather than reporting that current RSA or ECC systems have been broken.
“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 and Testing Remain Pending
Several product details have not been provided. SEALSQ has not published performance figures, power or memory requirements, pricing, or full technical specifications in the source announcement. It is also not clear which specific RSA, ECC, ML-KEM and ML-DSA configurations the device will support, or how it will work with particular host processors and existing VaultIC408 designs.
The QS7001 certification is still underway, and no completion date is given. The planned TLS 1.3 demonstration has not yet taken place, and the announcement does not establish how the product will perform in that demonstration or in customer systems. The Q2 2027 sample date is a company expectation, not confirmation that samples are already available.
SEALSQ refers to approaching security requirements in the United States and European Union but does not name specific rules, deadlines or obligations in the announcement. The scope of any regulatory impact on particular product categories remains unclear.
secure element with post-quantum cryptography
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Demonstration Then Sample Evaluations
The next announced milestone is SEALSQ’s planned Electronica demonstration on November 10–13, 2026, where it says it will show VaultIC409 in a TLS 1.3 application. That demonstration could provide an early view of the company’s intended use case, though it will not by itself answer questions about performance across different connected-device designs.
SEALSQ expects engineering samples in Q2 2027 so customers and partners can evaluate the device and begin integration work. Further information to watch for includes completion of QS7001’s EAL5+ certification, detailed technical specifications, sample availability and any customer or product deployments. Until those developments are reported, VaultIC409 remains an announced product with testing and certification milestones still ahead.
cryptographic secure element for connected devices
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Key Questions
What is SEALSQ’s VaultIC409?
VaultIC409 is a secure element announced by SEALSQ for connected devices. It is built on the company’s QS7001 platform and is designed to support post-quantum and established cryptographic algorithms.
Which cryptographic algorithms is it designed to support?
SEALSQ says VaultIC409 is designed to support ML-KEM (FIPS 203), ML-DSA (FIPS 204), RSA and ECC. The announcement does not provide a full list of supported configurations.
When will VaultIC409 be available to evaluate?
SEALSQ expects engineering samples to be available in Q2 2027. That is a planned availability date; the company has not announced commercial release timing or pricing.
Has the QS7001 platform completed EAL5+ certification?
No completion is reported. SEALSQ says the platform is undergoing Common Criteria EAL5+ certification, and it has not given a date for the process to finish.
Does the announcement show that RSA or ECC has been broken?
No. SEALSQ cites the potential future risk quantum computing poses to RSA and ECC as a reason to prepare for post-quantum cryptography. The announcement does not report that either algorithm has been broken.
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