Content library
ISO 27001 (2022): Full
8.28: Secure coding

Requirement description

When creating software, it's important to follow secure coding principles. This helps ensure that the software is written in a secure manner, reducing the chances of having potential vulnerabilities that could compromise information security. These procedures should be broadened to encompass software components sourced from third parties and open-source software. Organisation needs to implement secure coding practices capable of addressing the rapidly evolving threat landscape.

How to fill the requirement

ISO 27001 (2022): Full

8.28: Secure coding

Task name
Priority
Status
Theme
Policy
Other requirements
Separation of production, testing and development environments
Critical
High
Normal
Low
Fully done
Mostly done
Partly done
Not done
Development and cloud
Secure development
25
requirements

Examples of other requirements this task affects

12.5: Control of operational software
ISO27 Full
12.1.4: Separation of development, testing and operational environments
ISO27 Full
12.5.1: Installation of software on operational systems
ISO27 Full
14.2.6: Secure development environment
ISO27 Full
PR.DS-7: The development and testing environments
NIST
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Separation of production, testing and development environments
1. Task description

Software under development, testing and production is run in differentiated technical environments in order to ensure the quality of development work in an environment that adapts to the production environment and, on the other hand, the production environment is not disturbed by unfinished development.

Sensitive or personal data of users is not copied and used in a development environment.

General rules for reviewing and publishing code
Critical
High
Normal
Low
Fully done
Mostly done
Partly done
Not done
Development and cloud
Secure development
8
requirements

Examples of other requirements this task affects

14.2.2: System change control procedures
ISO27 Full
14.2.3: Technical review of applications after operating platform changes
ISO27 Full
TEK-14: Ohjelmistojen turvallisuuden varmistaminen
Julkri
8.28: Secure coding
ISO27k1 Full
8.32: Change management
ISO27k1 Full
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General rules for reviewing and publishing code
1. Task description

General rules for reviewing, approving and publishing the code have been defined and enforced.

The rules may include e.g. the following things:

  • the generated code has been validated against the general safe development guidelines of the OWASP Framework
  • the code has been reviewed by at least two people
  • the changes have been approved by a designated, authorized user prior to publication
  • the system documentation has been updated before release
  • the time of publication of the changes has been chosen in accordance with the given instructions in order to minimize disruption to business processes
  • the instructions needed by users have been updated before the code is released

The rules are intended to manage the risks associated with the release of new program code.

Guidelines for secure development
Critical
High
Normal
Low
Fully done
Mostly done
Partly done
Not done
Development and cloud
Secure development
20
requirements

Examples of other requirements this task affects

14.2.1: Secure development policy
ISO27 Full
14.2.5: Secure system engineering principles
ISO27 Full
TEK-14: Ohjelmistojen turvallisuuden varmistaminen
Julkri
8.25: Secure development life cycle
ISO27k1 Full
8.27: Secure system architecture and engineering principles
ISO27k1 Full
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Guidelines for secure development
1. Task description

The general rules for secure development work have been drawn up and approved by the development managers. The implementation of the rules is monitored in software development in the organization and the rules are reviewed at least yearly.

The safe development policy may include e.g. the following things:

  • safety requirements of the development environment
  • instructions for secure coding of the programming languages used
  • safety requirements at the design stage of properties or projects
  • secure software repositories
  • version control security requirements
  • the skills required from developers to avoid, discover and fix vulnerabilities
  • compliance with secure coding standards

Compliance with the rules of secure development may also be required of key partners.

Process for monitoring and tracking outsourced development work
Critical
High
Normal
Low
Fully done
Mostly done
Partly done
Not done
Development and cloud
Secure development
12
requirements

Examples of other requirements this task affects

14.2.7: Outsourced development
ISO27 Full
DE.CM-6: External service provider activity monitoring
NIST
8.28: Secure coding
ISO27k1 Full
8.30: Outsourced development
ISO27k1 Full
21.2.e: Secure system acquisition and development
NIS2
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Process for monitoring and tracking outsourced development work
1. Task description

Even when development is outsourced, we remain responsible for complying with appropriate laws and verifying the effectiveness of security controls.

We have defined the procedures that we monitor and follow throughout the outsourcing chain.Practices may include e.g. the following things:

  • policies for reviewing and approving generated code
  • evidence of testing activities performed by the partner
  • communication practices
  • contractual rights to audit the development process and management tools
  • documentation requirements for code generation
Regular vulnerability scanning
Critical
High
Normal
Low
Fully done
Mostly done
Partly done
Not done
Development and cloud
Technical vulnerability management
31
requirements

Examples of other requirements this task affects

12.6.1: Management of technical vulnerabilities
ISO27 Full
14.2.8: System security testing
ISO27 Full
18.2.3: Technical compliance review
ISO27 Full
6.5: Tietojärjestelmien asennus, ylläpito ja päivitys
Self-monitoring
ID.RA-1: Asset vulnerabilities
NIST
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Regular vulnerability scanning
1. Task description

The organization regularly conducts a vulnerability scan, which searches for vulnerabilities found on computers, workstations, mobile devices, networks or applications. It is important to scan even after significant changes.

It should be noted that vulnerable source code can be from operating system software, server applications, user applications, as well as from the firmware application as well as from drivers, BIOS and separate management interfaces (e.g. iLo , iDrac). In addition to software errors, vulnerabilities occur from configuration errors and old practices, such as the use of outdated encryption algorithms.

Vulnerability monitoring in used third-party or open source libraries
Critical
High
Normal
Low
Fully done
Mostly done
Partly done
Not done
Technical cyber security
Security systems and logging
5
requirements

Examples of other requirements this task affects

8.28: Secure coding
ISO27k1 Full
ID.RA-1: Asset vulnerabilities are identified and documented.
CyFun
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Vulnerability monitoring in used third-party or open source libraries
1. Task description

Vulnerabilities in third-party or open source libraries must be monitored, scanned, and reported in the same style as other vulnerabilities.

The organization must define policies to identify required updates in applications that use external libraries. Surveillance scans can be automated with specialized tools.

It also makes sense for an organization to monitor overall communication about vulnerabilities.

Tasks included in the policy

Task name
Priority
Status
Theme
Policy
Other requirements
No items found.

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1.1.1: Identify the organisation’s strategy and priorities
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1.1.2: Identify the organisation’s structures and processes for security management
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1.1.3: Identify the organisation’s processes for ICT risk management
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1.1.4: Identify the organisation’s tolerances for ICT risk
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1.1.5: Identify the organisation’s deliverables, information systems and supporting ICT functions
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1.1.6: Identify information processing and data flow
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1.2.1: Establish a process to identify devices and software in use at the organisation
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1.2.1: Scope of Information Security management
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1.2.2: Establish organisational guidelines for approved devices and software
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1.2.2: Information Security Responsibilities
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1.2.3: Identify devices in use at the organisation
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1.2.3: Information Security requirements in projects
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1.2.4: Definition of responsibilities with service providers
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1.2.4: Identify the software in use at the organisation
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1.3 (MIL2): Manage IT and OT Asset Configuration
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1.3.1: Identification of information assets
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1.3.1: Identify the users of the information systems
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1.3.2: Classification of information assets
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1.3.2: Identify and define the different user categories
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1.3.3: Identify roles and responsibilities linked especially to ICT security
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1.3.3: Use of approved external IT services
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1.3.4: Use of approved software
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1.3: Manage IT and OT Asset Configuration
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1.4 (MIL2): Manage Changes to IT and OT Assets
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1.4 (MIL3): Manage Changes to IT and OT Assets
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1.4: Manage Changes to IT and OT Assets
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1.5 (MIL1): Management Activities for the ASSET domain
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1.5 (MIL2): Management Activities for the ASSET domain
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1.5 (MIL3): Management Activities for the ASSET domain
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1.5.1: Assessment of policies and requirements
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1.5.2: External review of ISMS
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1.5: Management Activities for the ASSET domain
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1.6.1: Reporting of security events
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1.6.2: Management of reported events
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1.6.3: Crisis preparedness
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10 §: Johdon vastuu
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10.1 (MIL2): Establish Cybersecurity Program Strategy
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10.1 (MIL3): Establish Cybersecurity Program Strategy
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10.1.2: Key management
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10: Cryptography
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12.2: Protection from malware
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