Srikrishnan R Email & Phone Number

Chennai, Tamil Nadu, India

• Cyber Security Engineer with overall 10 Years of IT industry experience in Windows Server, Active Directory and Azure administration, Endpoint Security, Cloud Security, Microsoft 365 Security, Cloud App Security, Email.
• Creation and Modification of Device Configuration Profiles, Compliance Policies, conditional access policies, Windows Update rings and endpoint security policies via Intune.
• Configuring Inbound and Outbound Anti-Phishing, Anti-Spam, Anti-Malware, Safe Attachments and Safe Links Policy in Microsoft Defender for O365
• Enhancing the Organizational Security Posture by reducing the Exposure Score by taking action on Security Recommendations provided by Microsoft Defender Vulnerability Management.
• Gave Analysis and Recommendations for the triggered High and Medium Alerts in Microsoft Defender from various sources like Microsoft Defender for Office 365, Defender XDR, Custom detections and Microsoft Defender for.
• Performing Governance and Identifying the Misconfigurations of the On boarded Cloud Resources, Sharing Vulnerability and Compliance Reports from Prisma Cloud CSPM and CWPP to the Infra Team and drive it towards.

Chennai, Tamil Nadu, India

• Tanium DR Resilience Testing – We have shut down the Tanium Production services, restored the services from the Production Backup, Imported LDAPS Certificate, creating an IPSEC Tunnel between Appliance server and.
• Part of Geo Fencing project to define the boundaries of Acceptable and Non-acceptable locations and created process to initiate user lockout when an organization asset is connected from Non-acceptable location
• Held Responsible for presenting Tanium Architecture and its functionality/Services to the Architecture Review Board and CSAE Team for their Approval
• Disaster Recovery Planning for our Tanium Infrastructure - Took Sole Responsibility for Tanium DR Setup from Appliance Rack & Stack, Installation, Configuration, Network Access Enablement/Firewall Requests, NAT IP.
• Created a new sensor in Tanium to remediate the SCCM Non-Compliant Assets and to resolve the MAC Hostname discrepancy in Tanium Asset Report
• Performed Vulnerability scans for servers via Tanium Comply Module finding the security vulnerabilities(CVEs) and deliver reports to technology owners recommending remediation actions

Chennai, Tamil Nadu, India

• Checking the encryption status, suspending/resuming the bit locker encryption, clearing key protector ID from TPM chip and removing/creating recovery passwords are performed as a part of troubleshooting process
• Performing uninstallation and Re-installation of Cylance agent on windows, Linux workstations and servers either manually or by deploying the respective Tanium packages to those endpoints remotely
• Secured Test Mails - [PGP] and #secure# are exchanged daily to validate the health of PGP key servers and Web Email Protection servers and services like SNMP, WEP, Mail proxies and key server are verified as a part of.
• Developed Standard Operating Procedure(SOP) for Symantec PGP and Bit locker for team’s future reference and provided Symantec PGP Level1 tasks Knowledge transition(KT) to Helpdesk team and created Knowledge Base(KB).
• RSA ECAT agent upgradation has been performed from 4.3.0.4/lower version to 4.4.1.0 on multiple windows workstations across the environment via Netwitness console
• Files which are blocked/quarantined by cylance on a specific machine are safe listed via cylance console itself based on the archer deviation/exception raised for specific person/group to access that file for business.

• Publishing, Duplicating and removing the application from Citrix App center as per user request
• Applications like SQL Developer, Putty, and Chrome are installed in the Citrix server and the same will be published in the App Center and servers will be load balanced.
• Providing/Revoking User access to the published application and troubleshooting the application launch issue
• Troubleshooting Citrix issues raised by users
• Troubleshooting the physical servers in Cisco UCS and Blade Chassis remotely through KVM Manager
• Performing complete End-to-End Server Decommission as per process

Bengaluru Area, India

• Requested Customers to fill the Azure Request template for their VM Specifications like No.of VMs required, VM Size, OS Version, Disk size, Static/Dynamic IP, Region of Hosting etc prior provisioning new virtual.
• Performed Azure VM Migration from Standard to Premium Storage in Azure Portal by using Update Azure disk PowerShell command post stopping and de-allocating the VM
• Installation of Windows server 2003, 2008 R2 and 2012 R2 OS and performing server hardening as per the project requirements.
• Providing Share & NTFS Permissions for users to network share paths based on the Requirement
• Troubleshooting License server unavailable errors
• Troubleshooting Time difference between a server and its time source.