# CTO: its php2shell risk register

> Research: collected from outside sources and what this site derives from them; every fact links to a saved copy of its source.

The fractal risk register for CTO: 3 risks assigned to it or arriving through its parts, the part it plays in each and who it shares them with.

[Stakeholders](../index.html) / [Everyone with PHP in the path](../../../grc/stakeholders/world/index.html) / [Organisations running PHP](../../../grc/stakeholders/operators/index.html) / [Inside any one organisation](../../../grc/stakeholders/org-roles/index.html) / CTO

# CTO: its risk register

Owns the platforms, the inventory and the upgrade budget.

**Kind** role · **Assigned here** 3 · **In its register** 3 · [the briefing for a cto](../../../briefings/cto/index.html)

## The register

Assigned here, or arriving through a part of this stakeholder. The part played is the one recorded for whoever holds the assignment.

| Risk | Rating | Kind | Part played | Controls |
|---|---|---|---|---|
| [R01-3 Versions the PHP project no longer fixes stay vulnerable](../../../grc/risks/r01-3/index.html) | **20** critical | Security | **owner** | [NIST SP 800-53 SA-22](../../../grc/frameworks/nist80053/index.html#c-sa-22), [CIS Controls 2.2](../../../grc/frameworks/cis/index.html#c-2-2), [NIST CSF 2.0 PR.PS-02](../../../grc/frameworks/nistcsf/index.html#c-pr-ps-02), [Cyber Essentials SUM](../../../grc/frameworks/cyberessentials/index.html#c-sum) +1 |
| [R01-6 Products that embed PHP stay vulnerable while their suppliers investigate](../../../grc/risks/r01-6/index.html) | **16** high | Supply chain | **owner** | [Cyber Resilience Act Art.13](../../../grc/frameworks/cra/index.html#c-art-13), [Cyber Resilience Act AnnexI.II](../../../grc/frameworks/cra/index.html#c-annexi-ii), [OWASP Top 10s A03:2025](../../../grc/frameworks/owasp/index.html#c-a03-2025), [NIS2 Art.21(2)(d)](../../../grc/frameworks/nis2/index.html#c-art-21-2-d) +4 |
| [R09 Not knowing where PHP runs](../../../grc/risks/r09/index.html) | **16** high | Operational | **owner** | [NIST CSF 2.0 ID.AM-02](../../../grc/frameworks/nistcsf/index.html#c-id-am-02), [NIST SP 800-53 CM-8](../../../grc/frameworks/nist80053/index.html#c-cm-8), [CIS Controls 16.4](../../../grc/frameworks/cis/index.html#c-16-4), [DORA Art.8](../../../grc/frameworks/dora/index.html#c-art-8) +2 |

## Where its risks sit

| Likelihood / impact | 1 Minor | 2 Moderate | 3 Significant | 4 Major | 5 Severe |
|---|---|---|---|---|---|
| 5 Happening | 5 | 10 | 15 | 20 | 25 |
| 4 Likely | 4 | 8 | 12 | 16 [R01-6](../../../grc/risks/r01-6/index.html) [R09](../../../grc/risks/r09/index.html) | 20 [R01-3](../../../grc/risks/r01-3/index.html) |
| 3 Possible | 3 | 6 | 9 | 12 | 15 |
| 2 Unlikely | 2 | 4 | 6 | 8 | 10 |
| 1 Rare | 1 | 2 | 3 | 4 | 5 |

## Who it shares risks with

[Organisations running PHP](../../../grc/stakeholders/operators/index.html) (2), [Suppliers in the NCSC-NL inventory](../../../grc/stakeholders/inventory-suppliers/index.html) (2), [Hosting panels and paid long-term support](../../../grc/stakeholders/panels/index.html) (1), [Linux distributions and image builders](../../../grc/stakeholders/distros/index.html) (1), [CFO](../../../grc/stakeholders/cfo/index.html) (1), [EU and member-state CERTs](../../../grc/stakeholders/eu-agencies/index.html) (1), [Platform engineers and developers](../../../grc/stakeholders/engineers/index.html) (1)

## The standards its register touches

[NIST CSF 2.0](../../frameworks/nistcsf/index.html) (3), [NIST SP 800-53](../../frameworks/nist80053/index.html) (2), [CIS Controls](../../frameworks/cis/index.html) (2), [Cyber Resilience Act](../../frameworks/cra/index.html) (2), [ISO/IEC 27001](../../frameworks/iso27001/index.html) (2), [DORA](../../frameworks/dora/index.html) (2), [Cyber Essentials](../../frameworks/cyberessentials/index.html) (1), [PCI DSS](../../frameworks/pcidss/index.html) (1), [OWASP Top 10s](../../frameworks/owasp/index.html) (1), [NIS2](../../frameworks/nis2/index.html) (1), [SOC 2](../../frameworks/soc2/index.html) (1)


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site v0.8.1 · data as of 2026-10-22T11:34Z · vault commit 200d08971937 · https://php.oct.2026.newsroom.sgit.ai/grc/stakeholders/cto/index.html