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Weekly maintenance tasks that must be performed for PCI DSS 4.0

1. Network Monitoring and Security

Review firewall and router logs for any unauthorized access attempts.

Access firewall and router management interfaces.
Locate logs related to access attempts.
Filter for unauthorized access entries.
Document any suspicious activities.
Report findings to the security team.

Ensure security patches and updates for all network devices are up to date.

Identify all network devices requiring updates.
Check vendor websites for the latest patches.
Schedule updates during maintenance windows.
Test updates in a staging environment.
Apply updates and monitor for issues.

Verify the functioning of intrusion detection/prevention systems (IDS/IPS).

Access the IDS/IPS management console.
Check for any alerts or notifications.
Run diagnostic tests to ensure functionality.
Review configuration settings for accuracy.
Document operational status and any issues.

Conduct regular network scans to identify unauthorized devices connected to the network

Use network scanning tools to initiate scans.
Define parameters for unauthorized devices.
Review scan results for unexpected devices.
Investigate unauthorized devices promptly.
Update asset inventory accordingly.

Analyze network traffic for unusual patterns or anomalies that may indicate a security threat

Utilize network monitoring tools for traffic analysis.
Establish baseline traffic patterns.
Look for deviations from established norms.
Investigate any anomalies in detail.
Report findings and suggest actions.

Review and update firewall rules to ensure that only necessary ports and protocols are open

Access the firewall configuration interface.
Compile a list of currently open ports/protocols.
Cross-reference with business needs.
Remove unnecessary rules and document changes.
Test firewall functionality post-update.

Monitor and log all remote access connections to the network to detect any unauthorized access

Enable logging for remote access connections.
Regularly review connection logs for anomalies.
Identify and investigate unfamiliar IP addresses.
Ensure proper user authentication methods are used.
Report unauthorized access attempts immediately.

Ensure that all wireless networks are secured with appropriate encryption and authentication methods

Verify wireless network settings.
Ensure WPA3 or higher is used for encryption.
Check authentication protocols for compliance.
Conduct periodic security assessments.
Update settings as necessary to enhance security.

Test the effectiveness of network segmentation to limit access to sensitive data

Identify sensitive data and network segments.
Perform access control tests on segments.
Verify that unauthorized access is effectively blocked.
Document test results and any vulnerabilities found.
Adjust segmentation policies based on findings.

Implement and review a network access control policy to manage device permissions

Draft or update network access control policy.
Specify roles and permissions for devices.
Ensure policies align with compliance requirements.
Communicate policies to all stakeholders.
Review policies regularly for relevance.

Perform regular vulnerability assessments on network devices to identify and mitigate risks

Schedule vulnerability assessments quarterly.
Utilize recognized vulnerability scanning tools.
Review assessment reports for findings.
Prioritize vulnerabilities based on severity.
Develop remediation plans for identified risks.

Review and analyze alerts generated by IDS/IPS systems to investigate potential security incidents

Access IDS/IPS alert logs.
Categorize alerts by severity and type.
Investigate high-severity alerts promptly.
Document investigation findings and actions taken.
Update incident response procedures as necessary.

Document and report any identified security incidents or vulnerabilities to the appropriate stakeholders

Create a standardized incident report template.
Include all relevant details in reports.
Distribute reports to security teams and management.
Follow up on incident response actions.
Store reports for future reference and compliance.

Ensure that all network monitoring tools are properly configured and functioning as intended

Review configurations of all monitoring tools.
Test functionalities to verify proper operation.
Update configurations based on network changes.
Document configurations and any issues.
Train staff on tool usage and best practices.

Conduct periodic reviews of network architecture to ensure compliance with security standards

Schedule architecture reviews bi-annually.
Refer to applicable security standards for compliance.
Identify areas of non-compliance or risk.
Document findings and recommend improvements.
Communicate findings to relevant stakeholders.

2. Vulnerability Management

Conduct weekly vulnerability scans on all systems within the cardholder data environment (CDE).

Schedule scans using automated tools.
Include all systems within the CDE.
Generate reports post-scan for analysis.
Ensure scans cover all relevant network segments.

Review and address any identified vulnerabilities, ensuring they are remediated within the defined timelines.

Analyze scan reports for vulnerabilities.
Assign remediation tasks to appropriate personnel.
Set deadlines based on risk levels.
Verify remediation completion and effectiveness.

Update vulnerability management documentation with findings and remediation efforts.

Record all vulnerabilities and remediation steps.
Ensure documentation reflects current state.
Review and update documentation regularly.
Distribute updated documentation to relevant stakeholders.

Maintain an inventory of all hardware and software assets within the cardholder data environment (CDE) to ensure comprehensive scanning and vulnerability assessments

Create a detailed list of all hardware and software assets.
Regularly update the inventory to reflect changes.
Ensure all assets are categorized based on their role within the CDE.
Use automated tools for inventory management where possible.

Utilize threat intelligence feeds to stay informed about newly discovered vulnerabilities and correlate them with assets in the CDE

Subscribe to reliable threat intelligence services.
Regularly review and analyze threat feeds for relevant vulnerabilities.
Cross-reference identified vulnerabilities with the CDE asset inventory.
Adjust security measures based on threat intelligence findings.

Conduct manual penetration testing at least annually, or after significant changes to the environment, to identify vulnerabilities that automated scans may miss

Engage qualified external or internal testers.
Define the scope of the penetration test clearly.
Document findings and prioritize identified vulnerabilities.
Schedule follow-up testing to validate remediation efforts.

Implement a process for prioritizing vulnerabilities based on risk, taking into account the potential impact on cardholder data and the likelihood of exploitation

Develop a risk assessment framework to evaluate vulnerabilities.
Assign severity levels to each vulnerability based on impact and exploitability.
Create a remediation timeline based on prioritization.
Review prioritization criteria regularly to adapt to new threats.

Ensure that all third-party software and services used within the CDE are regularly assessed for vulnerabilities and comply with security standards

Maintain a list of all third-party software and services.
Conduct regular security assessments on third-party solutions.
Require third-party vendors to provide compliance documentation.
Monitor third parties for any reported vulnerabilities.

Configure automated alerts for critical vulnerabilities that require immediate attention, ensuring timely remediation

Set up automated systems for detecting critical vulnerabilities.
Customize alert thresholds based on organizational risk tolerance.
Ensure alerts are sent to relevant personnel for quick action.
Regularly review alert configurations for effectiveness.

Establish a schedule for regular reviews of vulnerability management processes to ensure they remain effective and are updated in accordance with evolving threats and compliance requirements

Create a review schedule, at least annually.
Involve key stakeholders in the review process.
Document changes and improvements made to processes.
Use findings to update training and awareness programs.

Train staff on the importance of vulnerability management and secure coding practices to help prevent the introduction of new vulnerabilities during development and maintenance activities

Develop training materials focused on vulnerability management.
Schedule regular training sessions for relevant staff.
Incorporate secure coding practices into development training.
Evaluate training effectiveness through assessments and feedback.

Document and track all remediation efforts, including timelines, responsible parties, and actions taken for each identified vulnerability

Create a remediation tracking system or database.
Log details for each vulnerability, including status and actions taken.
Assign responsible parties for each remediation effort.
Review and update documentation regularly.

Ensure that the vulnerability management program is integrated with incident response processes to quickly address any exploited vulnerabilities

Develop workflows that link vulnerability management with incident response.
Conduct joint training sessions for both teams.
Document procedures for escalating vulnerabilities that are exploited.
Review integration effectiveness after incidents.

3. Access Control and Authentication

Review user access logs for any suspicious activity or unauthorized access.

Access logs should be collected from all systems.
Analyze logs for unusual patterns or entries.
Investigate any flagged activity immediately.
Document findings and take necessary actions.

Validate access rights for all users and ensure that least privilege access is enforced.

Review current access rights for each user.
Compare rights against job responsibilities.
Adjust access levels to adhere to least privilege principle.
Document any changes made during the review.

Disable or remove access for any users who no longer need it, including terminated employees.

Identify users who have left the organization.
Revoke access immediately upon termination.
Update access logs to reflect changes.
Communicate changes to relevant teams.

Conduct regular reviews of user roles and permissions to ensure they align with current job responsibilities

Schedule periodic reviews of user roles.
Confirm that permissions match job duties.
Adjust roles as necessary based on changes.
Document review outcomes and actions taken.

Implement multi-factor authentication (MFA) for all sensitive systems and applications to enhance security

Identify all sensitive systems requiring MFA.
Configure MFA settings for each system.
Communicate MFA requirements to users.
Monitor for compliance and address issues.

Monitor and log all access to critical systems and sensitive data, ensuring logs are retained for a minimum period as per compliance requirements

Ensure logging is enabled on critical systems.
Define log retention periods based on compliance.
Regularly review logs for access patterns.
Securely store logs to prevent tampering.

Ensure that strong password policies are enforced, including complexity requirements and regular password changes

Establish password complexity requirements.
Implement regular password change intervals.
Communicate password guidelines to users.
Monitor compliance with password policies.

Provide training to staff on secure access practices and the importance of safeguarding authentication credentials

Develop training materials covering access security.
Schedule regular training sessions for staff.
Include phishing and credential management topics.
Evaluate training effectiveness through feedback.

Establish a process for granting temporary access to users, including appropriate logging and monitoring of such access

Define criteria for granting temporary access.
Document requests and approvals for access.
Log all temporary access grants and usage.
Review temporary access regularly for necessity.

Review and update access control policies regularly to reflect changes in the organization and regulatory requirements

Schedule regular policy review sessions.
Incorporate feedback from stakeholders.
Update policies to reflect regulatory changes.
Communicate updates to all staff.

Implement automatic account lockout mechanisms after a specified number of failed login attempts to prevent brute-force attacks

Define the number of allowed failed attempts.
Configure lockout settings in the system.
Communicate lockout policy to users.
Monitor accounts for lockout incidents.

Ensure that all remote access to systems is secured through VPNs or other secure methods, with appropriate logging and monitoring

Identify all remote access methods used.
Require VPN for remote access to sensitive systems.
Log all remote access activities.
Regularly review remote access logs for anomalies.

Document and communicate any changes to access control policies to all relevant personnel to ensure awareness and compliance

Track all changes made to access policies.
Create a summary of policy updates.
Distribute updates to all relevant personnel.
Gather feedback on the communicated changes.

4. Data Protection

Verify that all sensitive cardholder data is encrypted both at rest and in transit.

Review data retention policies to ensure compliance with PCI DSS requirements.

Check backup systems to ensure that cardholder data is included and securely stored.

5. Incident Response

Review any security incidents that occurred in the past week and document the response.

Gather incident reports from the past week.
Analyze the incidents for severity and impact.
Document the timeline and response actions taken.
Identify any gaps in the response process.
Create a summary report for future reference.

Conduct a tabletop exercise to ensure the incident response plan is effective and understood by all relevant personnel.

Select a realistic incident scenario for the exercise.
Gather relevant personnel and outline the exercise objectives.
Facilitate discussions on response actions and decision-making.
Collect feedback on the incident response plan's effectiveness.
Document insights and areas for improvement.

Update the incident response plan based on lessons learned from any incidents.

Review documentation from recent incidents.
Identify changes needed in procedures or policies.
Incorporate feedback from tabletop exercises.
Revise the incident response plan accordingly.
Distribute the updated plan to all relevant personnel.

Ensure all relevant personnel are trained on the updated incident response plan and their specific roles during an incident

Organize training sessions for all relevant personnel.
Review key components of the updated incident response plan.
Clarify specific roles and responsibilities during incidents.
Conduct quizzes or simulations to reinforce learning.
Document attendance and completion of training.

Perform a risk assessment to identify potential vulnerabilities and threats that could lead to incidents

Identify assets that need protection.
Evaluate potential threats and vulnerabilities for each asset.
Analyze the impact of identified risks on operations.
Prioritize risks based on likelihood and impact.
Document findings and recommend mitigation strategies.

Review and test communication protocols for incident reporting to ensure timely and effective information sharing

Assess current communication protocols for clarity and efficiency.
Test communication channels with a mock incident.
Evaluate response times and information accuracy.
Make necessary adjustments to improve communication flow.
Document the results of the communication test.

Validate the effectiveness of detection tools and monitoring systems to ensure they are functioning properly and are configured to alert on relevant incidents

Review the configuration settings of detection tools.
Test tools against known threats to verify alerts.
Ensure monitoring systems cover all critical areas.
Document the performance of detection tools.
Adjust settings based on test results and findings.

Conduct a forensic analysis of any incidents that occurred to understand the cause and impact, and document findings

Gather all relevant data and logs from the incident.
Identify the root cause and contributing factors.
Assess the impact on systems and data.
Document all findings in a forensic report.
Recommend actions to prevent recurrence.

Review and update contact information for internal and external stakeholders involved in incident response, including law enforcement and regulatory bodies

Compile a list of all relevant stakeholders.
Verify the accuracy of contact details.
Update any changes in personnel or roles.
Ensure contact information is accessible to all team members.
Document the updated contact list.

Establish metrics to measure the effectiveness of the incident response efforts and track improvements over time

Identify key performance indicators (KPIs) for incident response.
Set benchmarks for response times and outcomes.
Collect data on incidents and responses regularly.
Analyze trends and improvements over time.
Report metrics to management for review.

Schedule regular follow-ups or check-ins on previously identified incidents to ensure that corrective actions have been implemented effectively

Create a schedule for follow-up meetings.
Review the status of corrective actions taken.
Assess the effectiveness of implemented changes.
Document outcomes of follow-up discussions.
Adjust follow-up frequency based on incident severity.

Ensure that all incident response documentation is stored securely and is easily accessible for review and audits

Establish a secure storage solution for documentation.
Organize documents by incident type and date.
Ensure access controls are in place.
Regularly review and update stored documents.
Create a backup strategy for critical documentation.

Engage with third-party service providers to review their incident response capabilities and ensure alignment with your organization's policies

Identify third-party service providers relevant to incident response.
Schedule meetings to discuss their incident response plans.
Compare their policies against your organization's requirements.
Document any discrepancies and areas for improvement.
Establish a follow-up plan to ensure alignment.

6. Security Training and Awareness

Conduct a review of security awareness training completed by employees.

Ensure that all personnel handling cardholder data have received up-to-date training on PCI DSS requirements.

Plan and schedule any necessary refresher training sessions for staff.

7. Documentation and Reporting

Compile a summary report of all maintenance activities completed during the week.

Gather data on all completed tasks.
Include dates, times, and personnel involved.
Summarize key findings and outcomes.
Format the report for clarity and readability.
Distribute to relevant stakeholders.

Document any issues encountered and the actions taken to resolve them.

Record the date and time of each issue.
Describe the nature of the issue clearly.
Detail the steps taken to resolve the issue.
Note any follow-up actions required.
Ensure documentation is accessible for future reference.

Review and update internal policies and procedures to reflect any changes in compliance requirements or operational practices.

Identify the changes in compliance requirements.
Assess current policies and procedures against these changes.
Update documentation to align with new requirements.
Circulate revised documents for team review.
Obtain approval from necessary stakeholders.

Maintain a log of all system configurations and changes made during the week

Record the date and nature of each change.
Include the system or application affected.
Document who made the change and why.
Ensure logs are kept in a secure location.
Review logs regularly for discrepancies.

Document the results of any security assessments or audits conducted

Summarize findings from the assessment/audit.
Include any vulnerabilities identified.
Detail recommendations for remediation.
Assign responsibilities for addressing findings.
Distribute results to relevant teams.

Record any updates or patches applied to systems and applications

List all updates and patches applied.
Include the date and system/application affected.
Document the purpose of each update.
Track any issues arising from updates.
Verify successful installation of patches.

Track and document user access requests and changes to access privileges

Log date and time of each access request.
Include details of the individual requesting access.
Document the approval process and outcomes.
Update access control lists accordingly.
Review access logs for unauthorized changes.

Summarize any incidents or breaches that occurred and detail the response actions taken

Document the timeline of the incident.
Detail the nature and impact of the breach.
Outline the response actions taken.
Include lessons learned and follow-up actions.
Share summaries with relevant stakeholders.

Collect feedback from team members regarding the effectiveness of maintenance activities and areas for improvement

Create a feedback form for team members.
Schedule a meeting to discuss feedback.
Encourage open and honest responses.
Analyze feedback for common themes.
Document suggestions for future improvements.

Ensure all documentation is stored in a secure, centralized location accessible to authorized personnel

Identify a secure storage solution.
Organize documents for easy access.
Set permissions for authorized personnel only.
Regularly back up stored documentation.
Review access logs to ensure compliance.

Review documentation for accuracy and completeness before finalizing reports

Cross-check details against original sources.
Ensure all necessary information is included.
Validate data for accuracy.
Seek peer review for additional insights.
Make necessary revisions before finalizing.

Schedule regular reviews of documentation to ensure it remains current and relevant

Establish a review schedule (e.g., quarterly).
Assign responsibilities for each review.
Document changes made during reviews.
Notify team members of upcoming reviews.
Update documentation as needed post-review.

Create a checklist of required documentation for ongoing compliance audits

List all documents required for compliance.
Organize checklist by category or type.
Ensure clarity in item descriptions.
Distribute checklist to relevant team members.
Update checklist as compliance requirements change.

8. Third-party Service Provider Management

Review the security posture of any third-party service providers handling cardholder data.

Assess the provider's security policies and procedures.
Evaluate past security incidents and breaches.
Check for industry certifications and compliance reports.
Review their incident response and risk management frameworks.

Ensure that all third-party contracts include necessary PCI DSS compliance clauses.

Include explicit requirements for PCI DSS compliance.
Specify responsibilities for data protection and incident reporting.
Define consequences for non-compliance.
Review contracts annually for updates or changes in regulations.

Confirm that third-party service providers are regularly reporting their compliance status.

Request compliance reports on a scheduled basis.
Verify the authenticity of submitted compliance documentation.
Ensure reports include detailed findings and remediation actions.
Track deadlines for ongoing compliance reporting.

Conduct a risk assessment for each third-party service provider to identify potential vulnerabilities and impacts on cardholder data

Identify and document the services provided by each vendor.
Assess potential risks associated with their access to data.
Evaluate potential impacts on cardholder data confidentiality.
Update risk assessments annually or after significant changes.

Evaluate the security controls implemented by third-party service providers to ensure they meet or exceed PCI DSS requirements

Review the provider's security architecture and controls.
Test security measures for effectiveness and compliance.
Assess alignment with PCI DSS requirements and best practices.
Document findings and follow up on any deficiencies.

Require third-party service providers to provide evidence of their PCI DSS compliance, such as Attestation of Compliance (AoC) or Reports on Compliance (RoC)

Request AoC or RoC from each provider annually.
Verify that documents are current and signed by a qualified assessor.
Review compliance documentation for accuracy and completeness.
Store copies securely for future reference.

Monitor third-party service providers for any security incidents or breaches that may affect the organization’s cardholder data

Establish a monitoring system for security alerts.
Review incident reports and responses from providers.
Communicate with providers about any incidents affecting data.
Assess the impact of incidents on your organization’s data.

Establish and maintain a process for regularly reviewing and updating third-party service provider agreements and compliance statuses

Schedule regular reviews of contracts and compliance status.
Document any changes made to agreements.
Ensure updates reflect changes in PCI DSS requirements.
Communicate changes to relevant stakeholders.

Ensure that third-party service providers have a documented incident response plan and that it aligns with the organization's incident response procedures

Request documentation of the provider's incident response plan.
Review alignment with your organization’s incident response procedures.
Conduct joint incident response drills if possible.
Update your procedures based on findings.

Provide security training and awareness programs for third-party service provider personnel who have access to cardholder data

Develop training materials on PCI DSS requirements.
Schedule regular training sessions for provider personnel.
Assess training effectiveness through quizzes or feedback.
Document attendance and training completion.

Implement a process for terminating access to cardholder data when a third-party service provider relationship ends

Define procedures for access termination in contracts.
Notify providers of the termination process in advance.
Ensure all access credentials are revoked immediately.
Document the termination process and outcomes.

Monitor and review third-party service providers' security practices and compliance status on a scheduled basis

Set a regular schedule for compliance reviews.
Document findings and follow up on outstanding issues.
Adjust monitoring frequency based on risk levels.
Communicate results with relevant stakeholders.

Maintain an inventory of all third-party service providers that have access to cardholder data, including service descriptions and compliance status

Create and update a centralized inventory database.
Include details such as service descriptions and compliance status.
Review the inventory regularly for accuracy.
Ensure inventory is accessible to relevant personnel.

9. System Configuration and Management

Check that all system configurations comply with PCI DSS standards.

Review current configurations against PCI DSS requirements.
Identify any discrepancies or non-compliant settings.
Document compliance status and any required changes.
Schedule remediation for any non-compliant configurations.
Maintain records of compliance reviews for auditing.

Ensure that change management processes are followed and documented for any changes made to systems.

Verify that all changes are logged in the change management system.
Ensure approval workflows are followed for all modifications.
Document the rationale and impact of changes made.
Maintain historical records of changes for accountability.
Review change logs for compliance with policies regularly.

Validate that all logging mechanisms are functioning correctly and logs are being retained per policy.

Check the status of logging services on all systems.
Ensure logs are generated as per compliance requirements.
Verify log retention settings align with organizational policies.
Test log integrity and accessibility for review.
Document any issues found and remediate promptly.

Conduct regular reviews of system configurations to ensure they remain compliant with PCI DSS standards and reflect current security best practices

Schedule weekly configuration reviews.
Utilize automated tools for compliance checks.
Document findings and actions taken.
Involve relevant stakeholders in the review process.

Implement and test security controls on systems to prevent unauthorized access and ensure they are functioning as intended

Deploy security controls as per design.
Conduct tests to validate effectiveness.
Document test results and any issues.
Adjust controls based on testing feedback.

Review and update system hardening guidelines to ensure they align with the latest security recommendations and industry standards

Compare current guidelines against industry benchmarks.
Update guidelines to reflect new threats.
Distribute updated guidelines to relevant teams.
Train staff on new hardening practices.

Ensure that all default passwords and settings are changed or disabled on all systems and devices

Identify all systems with default settings.
Change all default passwords to strong alternatives.
Disable unused default services and accounts.
Document changes for future audits.

Perform automated scans of system configurations to identify any deviations from established security baselines

Schedule regular automated scans.
Review scan results for discrepancies.
Remediate any identified deviations promptly.
Maintain records of scan results.

Document and review any exceptions to standard configurations, and ensure they are justified and approved by management

Log all exceptions with detailed justification.
Obtain management approval for each exception.
Review exceptions periodically for relevance.
Document any changes to exception status.

Ensure that all systems are patched and updated regularly, with a tracking mechanism in place for all updates applied

Establish a patch management schedule.
Track all patches applied with a centralized system.
Review patch status regularly for compliance.
Communicate with teams about upcoming patches.

Verify that all system components have appropriate anti-malware controls in place and that they are updated regularly

Check all systems for anti-malware software.
Ensure regular updates for signature files.
Conduct regular scans for malware detection.
Document the status of anti-malware controls.

Conduct periodic assessments of system security controls to ensure they are properly implemented and effective

Schedule assessments at regular intervals.
Use a standardized assessment framework.
Document findings and recommendations.
Follow up on remediation actions taken.

Establish a process for regularly reviewing and evaluating the security of third-party applications and services integrated with the systems

Create a review schedule for third-party services.
Evaluate security practices of third-party vendors.
Document findings and required actions.
Communicate results to relevant stakeholders.

Ensure that secure coding practices are followed for any custom applications developed in-house, and conduct code reviews to identify potential vulnerabilities

Implement secure coding guidelines.
Conduct regular code reviews with peer feedback.
Use automated tools for vulnerability assessment.
Document any identified vulnerabilities and fixes.

Maintain an inventory of all system components, including software versions, to facilitate monitoring and compliance checks

Create and update a comprehensive inventory list.
Include software versions and patch levels.
Review inventory regularly for accuracy.
Utilize inventory for compliance audits.

These steps help to ensure that your system configuration and management practices adhere to PCI DSS requirements and contribute to a robust security posture

10. Review of Policies and Procedures

Conduct a review of security policies and procedures to ensure they align with PCI DSS 4.0 requirements.

Update any policies that are outdated or no longer reflect current practices.

Communicate any policy changes to all relevant personnel and ensure understanding.

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Weekly maintenance tasks that must be performed for PCI DSS 4.0

1. Network Monitoring and Security

2. Vulnerability Management

3. Access Control and Authentication

4. Data Protection

5. Incident Response

6. Security Training and Awareness

7. Documentation and Reporting

8. Third-party Service Provider Management

9. System Configuration and Management

10. Review of Policies and Procedures

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