Good practices related to compliance include:
Regular compliance assessments: Organizations should regularly assess their compliance with legal, regulatory, and contractual requirements and identify any gaps or areas of improvement.
Documented compliance policies and procedures: Policies and procedures should be established to ensure compliance with legal, regulatory, and contractual requirements. These policies and procedures should be documented, regularly reviewed, and updated.
Employee training and awareness: Employees should receive training and be made aware of their roles and responsibilities with regard to compliance. This should include training on relevant laws, regulations, and standards.
Risk assessment: Compliance risks should be identified as part of the organization's overall risk management process.
Third-party compliance management: Organizations should manage compliance risks associated with third-party suppliers, contractors, and other external parties.
By following these good practices, organizations can ensure that they meet their compliance obligations and avoid legal and reputational risks associated with non-compliance.

Good practices for system acquisition, development, and maintenance include:
Defining security requirements: Security requirements should be defined and included in the project plan and should align with the organization's overall information security policy.
Secure coding practices: Developers should use secure coding practices to prevent common vulnerabilities such as SQL injection and buffer overflow attacks.
Secure system testing: Security testing should be conducted throughout the system development life cycle to identify and remediate vulnerabilities.
Change management: A formal change management process should be in place to manage modifications to the system, ensuring that security controls are not weakened in the process.
Regular updates and patching: Systems should be updated and patched regularly to address known vulnerabilities and to maintain the integrity and confidentiality of data.
These are just a few examples of good practices. Organizations should develop a comprehensive set of practices that are specific to their needs and aligned with the ISO 27001 standard.

Good practices related to Information security aspects of business continuity management in ISO 27001 are:
Identify critical business processes and assets: This helps to ensure that essential resources are protected during a disruption.
Develop and test a business continuity plan: The plan should include steps to respond to various incidents and be regularly tested to ensure that it is effective.
Implement redundancy and backup measures: This includes having multiple copies of data and systems in different locations so that if one location is affected, the organization can continue operating from another.
Maintain communication and coordination with key stakeholders: This includes employees, customers, vendors, and partners so that everyone is aware of the incident and the steps being taken to mitigate it.
Conduct regular risk assessments: This helps to identify potential threats and vulnerabilities so that steps can be taken to address them proactively.
Ensure that employees are trained on business continuity procedures: This helps to ensure that everyone knows what to do in the event of an incident and can respond appropriately.
Continually review and improve the business continuity plan: As the organization changes and new threats emerge, the project should be updated to reflect these changes and ensure that it remains effective.

Good practices for information security incident management in ISO 27001 include:
Incident Response Plan (IRP): Develop a documented and tested IRP that defines the roles, responsibilities, and procedures for handling incidents. The plan should cover all incidents, from minor to major breaches.
Incident Reporting: Establish a process for reporting incidents, including what types of incidents should be reported, who should report them, and to whom they should be reported.
Incident Investigation: Conduct a thorough investigation of each incident to determine the root cause, extent of the impact, and remediation actions required.
Communication: Ensure effective communication with stakeholders throughout the incident management process, including timely reporting of incidents, updates on the incident status, and any necessary follow-up actions.
Incident Escalation: Establish procedures for escalating incidents to senior management or appropriate authorities when necessary.
These practices aim to ensure that organizations are prepared to respond effectively to incidents and minimize the impact of any security breaches.

Good practices for supplier relationships in ISO 27001 include the following:
Establishing precise security requirements in contracts with suppliers, including security standards and expectations for handling sensitive information.
Conducting due diligence on potential suppliers to assess their security posture and track record.
Implementing a monitoring and review process to ensure ongoing compliance with security requirements.
Encouraging suppliers to obtain certification for relevant security standards, such as ISO 27001.
Developing a clear incident management process that includes suppliers to ensure adequate response and resolution during a security incident.
Providing training and awareness programs to suppliers to ensure they understand their security responsibilities.
Regularly review and update supplier security policies and procedures to ensure they remain practical and current.
By implementing these good practices, organizations can ensure that their suppliers meet the required security standards and minimize the risk of security incidents caused by third-party suppliers.

Good practices for communications security in ISO 27001 include:
Using encryption to protect sensitive information during transmission
Ensuring that all communication channels, such as email and instant messaging, are secure and encrypted
Implementing secure remote access methods, such as VPNs, for employees who need to access the organization's network from outside the office
Limiting access to communication devices, such as smartphones and tablets, to authorized personnel only
Conducting regular security awareness training for employees on identifying and preventing social engineering attacks, such as phishing emails and phone scams.
These practices can help to protect the confidentiality, integrity, and availability of an organization's communication systems and data.

The following are some good practices for operations security:
Segregation of duties: Clearly define and separate roles and responsibilities for different tasks and functions to prevent one person from having too much control or access.
Change management: Implement a formal process for approving, testing, and implementing changes to hardware, software, and procedures to minimize the risk of unintended consequences.
Capacity planning: Anticipate and plan for changes in resource needs to ensure that systems and services can handle increasing demands.
Backup and recovery: Develop and implement a backup and recovery plan that includes regularly scheduled backups, testing of the backup plan, and offsite storage of backup data.
Logging and monitoring: Implement a system for tracking and monitoring system activity, including access attempts, failures, and successes, and respond to suspicious or anomalous behavior.
Vulnerability management: Regularly scan and assess systems and applications for vulnerabilities, and apply appropriate patches and updates to address any identified weaknesses.