# Atos: root certificates and root store status

> Atos operates 3 root certificate(s) trusted for TLS by at least one major root store (CCADB owner: Atos; country: DE). See fingerprints, expiry and Chrome, Mozilla, Apple and Microsoft status.

Source: https://ssl.sh/cas/atos/
Last updated: 2026-11-10

Atos operates 3 root certificate(s) trusted for TLS by at least one major root store (CCADB owner: Atos; country: DE). See fingerprints, expiry and Chrome, Mozilla, Apple and Microsoft status.


## Root certificates (CCADB)

Atos has 3 root certificate(s) in the CCADB TLS report. Together they have signed 58 intermediate CA certificates, 20 of them still valid.

| Root certificate | Key | Expires | Chrome | Mozilla | Apple | Microsoft | Intermediates | SHA-256 |
|---|---|---|---|---|---|---|---|---|
| Atos TrustedRoot 2011 | RSA 2048 | 2030-12-31 | Removed | Included | Included | Included | 56 | F356BEA244B7A91EB35D53CA9AD7864ACE018E2D35D5F8F96DDF68A6F41AA474 |
| Atos TrustedRoot Root CA ECC TLS 2021 | ECDSA P-384 | 2041-04-17 | Included | Included | Included | Included | 1 | B2FAE53E14CCD7AB9212064701AE279C1D8988FACB775FA8A008914E663988A8 |
| Atos TrustedRoot Root CA RSA TLS 2021 | RSA 4096 | 2041-04-17 | Included | Included | Included | Included | 1 | 81A9088EA59FB364C548A6F85559099B6F0405EFBF18E5324EC9F457BA00112F |

## CAA records

The CCADB lists 2 CAA issuer domain(s) recognized by the currently valid intermediate certificates of Atos. One issue record with any of them lets Atos issue for your domain. Domains that contain the CA's name come first, the rest by how many valid intermediates recognize them.

```
example.com. CAA 0 issue "atos.net"
example.com. CAA 0 issue "pki.eviden.com"
```

## Audits

Audit data the CCADB records for the TLS roots of Atos. Auditor(s): datenschutz cert GmbH. The most recent audit period ended on 2026-04-26.

- Standard audit: ETSI EN 319 411 2025-04-27 – 2026-04-26 (https://www.datenschutz-cert.de/fileadmin/uploads/tx_dscertcertlist/Eviden_DSC1709_ATCA_Audit_Attestation.pdf)
- Network security: ETSI EN 319 411 2025-04-27 – 2026-04-26 (https://www.datenschutz-cert.de/fileadmin/uploads/tx_dscertcertlist/Eviden_DSC1709_ATCA_Audit_Attestation.pdf)
- TLS Baseline Requirements: ETSI EN 319 411 2025-04-27 – 2026-04-26 (https://www.datenschutz-cert.de/fileadmin/uploads/tx_dscertcertlist/Eviden_DSC1709_ATCA_Audit_Attestation.pdf)

## CP/CPS documents

Certificate Policy and Certification Practice Statement links that Atos has disclosed in the CCADB for its TLS roots, with effective dates:

- CP/CPS: https://pki.atos.net/Download/Atos_TrustedRoot_CPS_v3.3.1.pdf

## Report a certificate problem

To report a mis-issued certificate, a compromised private key or other abuse, use the channels Atos lists in the CCADB (replace [at] and [dot] in addresses):

- pki-enterprise-tr[at]atos[dot]net
- https://pki.atos.net

## Incident reports

CAs in Mozilla's root program file compliance incident reports in Mozilla's Bugzilla (product CA Program, component CA Certificate Compliance). This search lists the bugs whose title contains the words “Atos”: https://bugzilla.mozilla.org/buglist.cgi?query_format=advanced&product=CA+Program&component=CA+Certificate+Compliance&short_desc_type=allwords&short_desc=Atos&order=changeddate+DESC

## FAQ

**What CAA record allows Atos to issue certificates?**

Publish example.com. CAA 0 issue "atos.net". The CCADB lists 2 recognized domain(s) for Atos: atos.net, pki.eviden.com.

**Who audits Atos?**

datenschutz cert GmbH, according to the CCADB. The latest TLS Baseline Requirements audit (ETSI EN 319 411) covers 2025-04-27 to 2026-04-26; the statement is dated 2026-05-07.

**How do I report a problem certificate to Atos?**

Use the channel(s) listed in the CCADB: pki-enterprise-tr[at]atos[dot]net, https://pki.atos.net.

**How many root certificates does Atos have?**

3 in the CCADB TLS report. Trusted for TLS: Chrome 2, Mozilla 2, Apple 3, Microsoft 3. They have signed 58 intermediates, 20 of them still valid.

Sources: CCADB All Certificate Information (V5), List of CAA Identifiers, List of CA problem reporting mechanisms and TLS Server Authentication report (ccadb.org/resources).