IP network security

How to enhance the security of your sensitive networks?

Trustway Chronos: network security solution for sensitive data exchange

Cyberattacks are increasingly aggressive and targeted: no one is safe. Technology is evolving rapidly and with it the ‘cyber weapons’ at the disposal of hackers.

The security of sensitive data exchange and communications are essential to maintaining National Security. This is particularly true of the Critical National Infrastructure (CNI) and those organizations and agencies that depend upon it.

Trustway Chronos has been designed especially for sensitvie oraganizations to secure the flow of sensitive data and communications and meets the requirements of data protection regulations (LPM, GDPR…).

Atos Cybersecurity Trustway Chronos Network Security

To follow or contact us:
Linkedin | Twitter

High Level Security

Trustway Chronos, an encryption solution with the highest encryption levelConfidential Defense”, to protect communications and sensitive data exchange on the network.

Security protocol

Trustway Chronos uses IPSec protocol and provides security services for sensitive data exchange: encryption of data flows, embedded flows, anti-replay management and event logging.

Bull cyber Trust compliance


Trustway Chronos meets the requirements of the regulations such as the French Military Programming Law (LPM) or Genaral Data Protection Regulation (GDPR) which obliges companies to take appropriate measures for infrastructure and data protection.

To fight today’s cyber threats and to be compliant with regulations, Atos developed Trustway Chronos network encryption solution (with support of the Ministry of Defense and the National Cybersecurity Agency of France (ANSSI)). It has the highest encryption level–“Confidential Defense”–and is used to protect the most critical parts of the National communications infrastructure.

Trustway Chronos is used by the Critical National Infrastructure Provider (CNI) and Defense Industry and meets the requirements of the French Military Programming Law (LPM in French).

Trustway Chronos is available in 3 interoperable encryption platforms ranging from 250 Mbits/s to 10 Gbits/s. It includes a complete Management Infrastructure which offers centralized device customization, security policy definition and distribution, and events management:

► Trustway Chronos encryptor: Trustway Chronos encryptor can have a debit going up to 2*250 Mbits/s. Its design can be put as well on a bay as on a table.

► Trustway Hi Chronos encryptor: Trustway Hi Chronos encryptor can have a debit going up to 2*900 Mbits/s. It is especially designed to protect sites requiring important debits.

► Trustway X Chronos encryptor: Trustway X Chronos encryptor performs by its level of debit which can achieve 2*8 Gbits/s. It is perfectly compatible with the set of equipments from the Trustway Chronos range.

Management infrastructure

Technical Secret Generation (TSG) Offline workstation ensures the generation of initial secret elements, equipments of encryption and their packaging on amovible supports.

Technical Domain Manager (TDM) Online workstation guarantees a secure distribution of the safety policy defined by the Information Systems Security Officer.

Technical Event Manager (TEM) Online workstation manages events issued by the equipments of encryption.

TDM and TSG are associated each of them to a “dedicated Cryptographic Resource”


Ethernet BaseT 2 x 10/100/1000
300 simultaneous VPN

Fail-safe erasure systems

Fail-safe desensitization mecanism of the encryptor

Radiation protection

“SDIP 27 Level B” compliant


Certified to the level “Confidential Defense” and equivalents – “Confidential NATO”, “Confidential EU” and “Confidential EUROCOR”.
Certified to the level of “Restricted Circulation” and equivalents – “Restricted Circulation NATO”, “Restricted Circulation EU” and “Restricted Circulation EUROCOR”.

Any acquisition of a Trustway Chronos requires a preliminary agreement from the ANSSI (the National Cybersecurity Agency of France).


The encryption modules handle datagrams of the unicast IPv4 protocol

Related resources and news

Factsheet (FR)

Trustway Chronos: Securing flows and network protection

Atos has developed a high security network solution to protect communications and sensitive data exchange on the network. Trustway chronos is a Ip network encryption solution dedicated to French “Opérateurs d’Importance Vitale” (OIV) and industrial weapons.


Compliance and security for your data in motion

Trustway VPN (IPSec) ensures a total security for your data exchanges on the network, and protecting you against hacking. This offer is compliant with your enterprise safety policy and the data protection regulations.


Upcoming events >>

Press release >>

Blogs >>

Discover the offer : Trustway DataProtect

To follow or contact us:
Linkedin | Twitter


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 IP network security products

Trustway IP Protect

The Trustway IP Protect (IPSec) range offers the most advanced security capabilities to protect sensitive communications for civil and defense environments.
Visit product page >

Interested in our Trustway Chronos security network encryption?