Internet of Things security

Meet the security challenges of the IoT

Horus PKI for IoT

Create and manage the electronic certificates of your IoT infrastructure with a PKI for IoT solution

Electronic certificates allow applications to support security services such as user authentication, non-repudiation of transactions, and confidentiality of data exchanges.

Atos, a European actor in IS security, provides Horus PKI for IoT, a complete solution to create electronic certificates and manage the connected devices life cycle.

Strong internal security mechanisms

From strong authentication to access to all metapki functional entities to recording of all actions, enciphered sensitive information and private and public keys protected using Hardware Security Modules (HSM), metapki ensures data security.

Bull cyber Trust compliance


Metapki is EAL 3+ Common Criteria Certified and is also RGS basic level certified


Capacity to produce over 1000 certificates/second (e.g., specific formats like C-ITS certificates for Car2Car Communication)

n-Tiers architecture and scalability
3-Tiers architecture: Front Offices, Back Offices and external Database
Scalability: possibility to add several Front offices and/or several Back Offices

Automation and auto-enrollment protocols (CMP, SCEP, EST)
CMP and SCEP already available for X509 certificates
EST in progress for X509 certificates and other formats

Support for Long-Term CA (X509 certificates with RSA or ECDSA keys), Pseudonym CA (X509 certificates with RSA or ECDSA keys), and short-lived pseudonym certificates (C-ITS) (Specific certificates with ECDSA keys).

Capacity to produce over 1000 certificates/second (e.g., specific formats like C-ITS certificates for Car2Car Communication).

System requirements

►  Linux Platform (e.g. Red Hat or SUSE)
►  Open source international components delivered with metapki: Apache, OpenSSL, PostgreSQL and PHP
►  LDAP Server: when the CA publishes certificates and/or LCR in a directory
►  SMTP Mail Server: when metapki sends notifications related to the management of certificates

Norms and standards

►  Certificate compliance with ITU-T X.509v3 and RFC 5280
►  Certificate enrolment protocols: SCEP, CMP (RFC 2510 et RFC4210), CCEP
►  Certificate profile compliance with ETSI TS 101 862, Netscape and Microsoft
►  Revocation information compliance with ITU-T X.509v2 LCR and OCSP Protocol (RFC 2560)

►  Certification request format: PKCS#10, SPKAC
►  Key exchange format: PKCS#12
►  Connectivity: LDAP, HTTPS, SMTP
►  HSM interface: PKCS#11


Hardware & Software for metapki hosting
►  Physical Servers: 32/64 bits platform with at least 4 Go of RAM, 10 Go of available disc memory, 2 Ethernet ports
►  Virtual Machines: VMWare, HyperV
►  Operating System: Red Hat 5 and 6 (32 or 64 bits) / SUSE SLES 10 and 11 (32 or 64 bits)
►  LDAP Server: CAs publish the certificates and/or the LCR in a LDAP directory

►  Mail Server: Email sending is possible for each step of certificates life cycle

Working station for metapki users
►  Navigator: Internet Explorer 8 version and later, Firefox, Chrome
►  Java Runtime Environment: 1.6 (superior to update 19), 1.7 et 1.8

Smart Card
►  All smart cards with PKCS#11 interface and particularly: CardOS, Gemalto ID PRIME MD840, Gemalto IAS TPC, Gemalto Classic TPC IM, Gemalto Cyberflex Access 64k v2, Morpho vpsID SmartCard Ux, ActivIdentity ActivCard 64K V2C

►  All HSM with PKCS#11 interface and particularly Bull TrustWay Proteccio®

Electronic certificates may be used to support:
 Strong authentication for users with smart cards or USB tokens (two factor authentication)
 Strong authentication for web servers (SSL/TLS)
 Strong authentication for VPNs (Virtual Private Networks)
 Electronic signatures to provide integrity and non-repudiation of transactions
 Data confidentiality for data in transit or in storage.

Users and applications are provided with one or more key pairs (a public key and a private key) and public key certificates, generated by a Certification Authority (CA), that associate the registered user or application with the public key.

Metapki supports one or more Certification Authorities that may be independent, or subordinate CAs.

A whole range of security profiles for public certificates is supported by metapki. For each profile, the registration process may be tailored to the specific needs of the organisation and integrated with the existing IS.

A workflow manager handles the registration process in order to minimise the time to produce and manage the certificates through the use of one or more Local Registration Authorities (LRA).

A validation authority (Vericert) for checking the validity of a certificate against a validation policy

Related resources and news

Horus IoT Security Suite

Build trusted and secure Intelligent Transportation Systems

Secured V2X communication is critical to set up reliable ITS. Discover how PKI solutions are key to secure exchanges between connected vehicles and roadside units.

Factsheet PKI for IoT – metapki

For managing certificates creating and managing secure identities

Information system security is an essential issue for organisations moving to paperless exchanges, whether for internal communications or for relationships with partners and customers…


Event: Atos will be present at IoT World in Paris (France) 20-21 March 2019

NewsAtos releases the Horus security suite for Intelligent Transportation Systems to secure communications in connected vehicles

News: Atos launches Horus security appliances to make the deployment of trust infrastructures easier

Partners program


Atos provides products in the field of embedded device security in the context of Infineon Security Partner Network with a solution for connected cars.

Partnership cyber security products

Atos support consists of an international team of experts who will help you get optimal use out of our products in your specific environment every day.


Other IoT security products

CardOS for IoT

Secure authentication & trusted identity delivering assurance and efficiency to IoT.
Visit product page >

Security Server

Scalable solution securing connected objects, their communications and exchanged data.
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Trusted Blockchain - Blockchain security

Trusted Blockchain

Decentralized management of multi-actor confidence.
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Interested in our PKI for IoT solution?