Kiran Krishnappa

About Kiran Krishnappa

MCITP Microsoft certified- Microsoft ID(10••••48) Strong in Active Directory, DHCP…

Experience

1. Technical Lead or Vulnerability Manager

   Tech Mahindra

   Nov 2023 — Present

   Key responsibilities include managing vulnerability scanning tools, analyzing threat intelligence, developing mitigation strategies, tracking remediation efforts, reporting on the security posture. • Performing active directory health check via dcdiag command. Also checking replication via wmic commands. • Involved in multiple activities like power maintenance when required for domain controllers.• Creating site link, subnet in Active directory sites and subnets• Establishing trust relationships with other domains via Active directory domains and trusts.• Installed new domain controller. Upgraded domain and forest functional level of server to highest level(Server 2016)• Created domain local, global group and universal group. • Troubleshooting account lockout issues via event viewer and troubleshooting ldap queries using Crowdstrike tool. Restored objects if deleted by mistake using recycle bin feature. Using wmic commands, regularly checking sysvol replication state. • Involved in creating service accounts for users. Involved in creating multiple dns records via powershell script. Also, will create internal and external dns records. Involved in creating stub zone, conditional forwarder.• Involved in troubleshooting dns issues when any machines are unable to resolve dns or if machines are not updating dns records automatically to dns server.• Involved in creating scope for new vlan, creating reservations. Involved in troubleshooting issues when any machine is unable to get lease ip address from dhcp.• Involved in creating new group policies as per the requirement. Using WMI query, creating policies for particular OS in OU.• Modifying group policies as per CIS standards. Involved in troubleshooting group policies when its not applied properly for any machine. Will generate group policy report using rsop and gpresult commands. • Involved in managing PKI servers(ADCS). Generating internal and external signed certificates via PKI servers.