Cybersecurity

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GTTSi brings deep technical expertise to the cybersecurity domain for industrial control systems and power generation environments. We operate a dedicated cyber factory and laboratory located in Greenville, SC.

With increasing cyber threats and regulatory requirements across the power industry, there is a growing need to protect critical infrastructure without impacting system performance. GTTSi provides practical, execution-focused cybersecurity solutions tailored to real-world operational environments.

  • Vulnerability Assessment

  • Hardware Selection and Configuration

  • Security Protocols and Software Configuration

  • Compliance

  • Audits & Testing

  • Field Support

Cybersecurity Services
Cybersecurity Services
Vulnerability Assessment and Analysis
We understand the regulatory and compliance requirements within the power industry.

  • Identify vulnerabilities across networked and non-networked systems
  • Evaluate risks within existing infrastructure
  • Develop security solutions aligned to operational requirements

Hardware Selection and Configuration
GTTSi provides full support in identifying and configuring cybersecurity hardware.

  • Specify and procure required hardware components
  • Strip and rebuild systems as required
  • Fully configure and integrate systems for deployment

Security Protocols and Software Configuration
We specialize in applying the right security solution to the identified risk.

  • Configure systems without impacting performance
  • Implement application control, logging, and monitoring
  • Align security protocols with functionality

Compliance
GTTSi specializes in regulatory compliance within the power industry.

  • Experience with NERC CIP standards
  • Ensure systems meet regulatory and audit requirements
  • Support compliance throughout the project lifecycle

Audits & Testing
Full system validation is conducted prior to deployment.

  • Perform Factory Acceptance Testing (FAT)
  • Test hardware and software systems in controlled environments
  • Provide detailed reporting and real-time performance validation

Field Support
GTTSi provides ongoing support during and after implementation.

  • Installation and commissioning activities
  • Assist with operational challenges in the field
  • Provide continued system support as required

Hardware
GTTSi brings strong expertise across the hardware components required for secure and reliable industrial systems. Our capabilities include servers, thin and thick clients, firewalls, IDS hardware, switches, SFPs, server racks, and supporting infrastructure such as fiber and Cat/RJ45 connectivity. We also work with time servers and network interface cards, ensuring all hardware is properly specified, configured, and integrated to support secure and stable operations.
Software
On the software side, we work across Windows operating systems (Server and Datacenter), Active Directory, DNS, DHCP, and domain management, along with network logging, anti-virus solutions, virtualization control, and application whitelisting. Our team is experienced with platforms such as Cisco CLI, Fortinet GUI, and Nozomi, as well as industrial protocols including Modbus, OPC, IEC, GSM, and TMW, and SCADA systems like Cimplicity, OSI PI, and Proficy.