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Patch Deployment Checklist
Pre-Deployment Preparation
Identify systems and applications requiring patches
Review patch release notes and documentation
Test patches in a controlled environment
Notify stakeholders and users of upcoming patch deployment
Create a rollback plan in case of patch failure
Backup and Recovery
Perform a full backup of systems and data
Verify the integrity of backups
Ensure backup storage is accessible
Document backup and recovery procedures
Test recovery process to confirm functionality
Patch Deployment Execution
Deploy patches during scheduled maintenance windows
Monitor systems for any issues during deployment
Log all deployment activities and outcomes
Verify that patches have been successfully applied
Document any issues encountered and resolutions
Post-Deployment Validation
Perform system and application functionality tests
Check for any performance issues post-deployment
Confirm that all services are running as expected
Update system documentation with new patch details
Collect feedback from users and stakeholders
Security and Compliance
Ensure patches meet security guidelines
Update security baselines and configurations
Document compliance with regulatory requirements
Review and update patch management policies
Schedule regular audits of patch deployment processes
