User Management: creating user accounts, locking user accounts, modifying user accounts, etc. on the system;
File / system / application access management: Maintaining file and directory permissions on OS and application access management like creating user accounts at application level, assigning application access, setting application passwords, user lockout, providing role based access etc.;
Security monitoring and investigation - Assess risks on a particular system [OS environment and user needs], monitor network security, monitor denial of service, malware attacks etc., bad bugs, programmed security threats, track logins, logouts, command runs etc.
Performance Management Performance optimization and reporting - Process and Memory Management, monitoring CPU performance, monitoring Memory performance, monitoring Input / Output performance, monitoring Network and port level traffic, etc.;
Error detection and correction;
Troubleshooting and client support
Capacity Planning and Informing Bank in Advance to take appropriate actions.
Updates / Upgrades / New releases / New versions / Patch Management / Change Management as per bank’s various policies and carrying out all activities after due approval from bank team.
Maintaining high availability of servers.
OS License Management.
OS hardening of servers.
Server Configuration Management and backup.
Documentation of the activities.
Remediating OS related VAPT points – VAPT performed by external or Internal Auditors.