ECSS-E-ST-40C: Space Engineering — Software
The European Cooperation for Space Standardization (ECSS) ECSS-E-ST-40C (2021) establishes software engineering requirements for space systems. Applicable to all ESA missions and widely adopted by national space agencies and industry. Covers the complete software lifecycle from requirements to operations, including development, verification, and maintenance.
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Framework Domains (7)
5.2 Software-Related System Requirements
| Code | Title |
|---|---|
| ECSS-5.2.1 | System Requirements Analysis |
| ECSS-5.2.2 | Software Item Identification |
| ECSS-5.2.3 | System Requirements Review (SRR) |
| ECSS-E-40C-5.2.1 | System Requirements Analysis |
| ECSS-E-40C-5.2.2 | Software Item Identification |
5.3 Software Management
| Code | Title |
|---|---|
| ECSS-5.3.1 | Software Project Planning |
| ECSS-5.3.2 | Software Configuration Management |
| ECSS-5.3.3 | Review Milestones |
| ECSS-5.3.4 | Software Criticality Classification |
| ECSS-E-40C-5.3.1 | Project Planning |
| ECSS-E-40C-5.3.2 | Configuration Management |
| ECSS-E-40C-5.3.3 | Criticality Classification |
5.4 Requirements and Architecture
| Code | Title |
|---|---|
| ECSS-E-40C-5.4.1 | Software Requirements |
| ECSS-E-40C-5.4.2 | Architecture Design |
5.5 Design and Implementation
| Code | Title |
|---|---|
| ECSS-E-40C-5.5.1 | Detailed Design |
| ECSS-E-40C-5.5.2 | Coding and Unit Test |
5.6-5.8 Validation and Verification
| Code | Title |
|---|---|
| ECSS-E-40C-5.6.1 | Validation Planning and Execution |
| ECSS-E-40C-5.8.1 | Verification Planning and Execution |
| ECSS-E-40C-5.8.2 | Integration Testing |
5.7 Delivery and Acceptance
| Code | Title |
|---|---|
| ECSS-E-40C-5.7.1 | Delivery and Acceptance |
5.9-5.10 Operations and Maintenance
| Code | Title |
|---|---|
| ECSS-5.10.1 | Software Maintenance |
| ECSS-5.10.2 | Problem Reporting and Resolution |
| ECSS-5.9.1 | Software Operation |
| ECSS-E-40C-5.10.1 | Maintenance |
| ECSS-E-40C-5.9.1 | Operations Support |
Your Compliance Coverage
If you comply with ECSS-E-ST-40C: Space Engineering — Software, you already cover:
ISO/IEC 27400:2022
20%
5 controls mapped
Compare →NIST SP 800-171A Rev 3 — Assessing CUI Security Requirements
20%
5 controls mapped
Compare →Azure Security Benchmark
20%
5 controls mapped
Compare →+ 432 more: C5 (Germany) (20%), HKMA Cyber Resilience Assessment Framework (C-RAF) (20%)
See all 435 mapped frameworks ↓Maps to 435 other frameworks
Frequently Asked Questions
What is ECSS-E-ST-40C: Space Engineering — Software?
ECSS-E-ST-40C: Space Engineering — Software is a compliance framework from Europe (ECSS) with 7 domains and 25 controls. The European Cooperation for Space Standardization (ECSS) ECSS-E-ST-40C (2021) establishes software engineering requirements for space systems. Applicable to all ESA missions and widely adopted by national space agencies and industry. Covers the complete software lifecycle from requirements to operations, including development, verification, and maintenance. It is used by organisations to establish and maintain compliance with industry standards and regulatory requirements.
How many controls does ECSS-E-ST-40C: Space Engineering — Software have?
ECSS-E-ST-40C: Space Engineering — Software has 25 controls organised across 7 domains. The largest domains are 5.3 Software Management (7 controls), 5.2 Software-Related System Requirements (5 controls), 5.9-5.10 Operations and Maintenance (5 controls). Each control defines specific requirements that organisations must implement to achieve compliance.
What frameworks does ECSS-E-ST-40C: Space Engineering — Software map to?
ECSS-E-ST-40C: Space Engineering — Software maps to 435 other compliance frameworks. The top mapping partners are ISO/IEC 27400:2022 (20% coverage), NIST SP 800-171A Rev 3 — Assessing CUI Security Requirements (20% coverage), Azure Security Benchmark (20% coverage). Use our comparison tool to explore control-level mappings between frameworks.
How do I get started with ECSS-E-ST-40C: Space Engineering — Software compliance?
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