CYSTEG
Industries We Serve

Deep Expertise Across Critical Industries

We apply the same engineering principles across industries with complex operational, safety, and regulatory requirements. Our experience spans enterprise IT, OT systems, and connected products in safety- and mission-critical environments.

Automotive

Vehicle & Product Engineering

As vehicles become software-defined and increasingly connected, cybersecurity is a core engineering requirement. We support automotive OEMs and suppliers with product cybersecurity engineering, embedding security into vehicle architectures, ECUs, and update mechanisms across the full vehicle lifecycle—while aligning with safety, regulatory, and operational constraints.

Key Challenges

  • Software and hardware vulnerabilities in connected vehicles
  • In-Vehicle Network attacks (CAN, LIN, FlexRay, Ethernet)
  • Over-the-air update security
  • Supply chain security across tiers

Our Solutions

  • Threat Analysis and Risk Assessment (TARA)
  • Cybersecurity Management System (CSMS)
  • Software Update Management System (SUMS)
  • OTA Security Architecture
  • ECU Hardening
  • Secure Boot Implementation

Project Experience

  • Lidar technology security integration
  • Battery Management System cybersecurity
  • Governance activities for OEMs

Industrial Automation & Control Systems

OT & Control System Engineering

Modern industrial control systems combine legacy technologies with increasing connectivity, expanding the cyber threat surface. We provide OT cybersecurity engineering that embeds security into ICS architectures, networks, and lifecycle processes, aligned with operational constraints, safety requirements, and industrial standards.

Key Challenges

  • Legacy system security integration
  • Insider attacks and unauthorized access
  • Malware infections in operational networks
  • Nation-state sponsored cyber-attacks

Our Solutions

  • Security Level (SL) Assessments
  • Zone and Conduit Design
  • Compensating Controls
  • ICS Network Segmentation
  • Protocol Security Analysis
  • Patch Management for ICS

Project Experience

  • Power genset cybersecurity
  • Manufacturing process security
  • Critical infrastructure protection

Defense

Mission-Critical System Engineering

Defense systems operate in adversarial environments where cybersecurity is inseparable from system engineering. We support defense organizations with cybersecurity engineering for mission-critical systems, integrating security into architectures, communications, and supply chains while aligning with strict regulatory, assurance, and operational requirements.

Key Challenges

  • Nation-state threat actors
  • Espionage and data breaches
  • Critical defense infrastructure protection
  • Complex compliance requirements

Our Solutions

  • System Security Plans (SSP)
  • Risk Management Framework (RMF)
  • Authority to Operate (ATO) Support
  • Supply Chain Risk Assessments
  • Secure Communications
  • Anti-Tamper Measures

Project Experience

  • Tank technology security integration
  • Defense asset security hardening
  • Military contractor compliance

Railway

Rail System & Product Engineering

Modern railway systems combine safety-critical operations with increasing connectivity and digital control. We support rail operators and suppliers with cybersecurity engineering for rail systems, integrating security into signaling, control, and operational architectures while aligning with safety certification, regulatory requirements, and long asset lifecycles.

Key Challenges

  • Signal control system vulnerabilities
  • Legacy system modernization
  • Safety-security integration
  • International standards compliance

Our Solutions

  • Safety-Security Integration Analysis
  • Railway Threat Modeling
  • Signaling System Security
  • TCMS Protection
  • CBTC Security Assessment
  • Cybersecurity Certification Support

Project Experience

  • Hybrid power pack development
  • Train system cybersecurity
  • Railway infrastructure protection

Maritime

Maritime System Engineering

Modern maritime operations rely on interconnected navigation, automation, and communication systems operating in constrained and remote environments. We support ship operators and maritime organizations with cybersecurity engineering for maritime systems, integrating security into vessel, port, and ship-to-shore architectures while aligning with safety management, operational realities, and international compliance requirements.

Key Challenges

  • Navigation system attacks (GPS spoofing)
  • Port infrastructure vulnerabilities
  • Cargo tracking system security
  • Ship-to-shore communication protection

Our Solutions

  • Maritime Cyber Risk Assessment
  • Ship Cybersecurity Plans
  • Port Facility Security
  • Navigation System Hardening
  • ECDIS Security Review
  • Maritime Supply Chain Security

Project Experience

  • Automation and navigation system security
  • Vessel operation management
  • Maritime compliance programs

Banking & Financial Services

Enterprise IT & Platform Engineering

Financial institutions operate some of the most regulated and availability-critical IT environments. We support banks and financial organizations with enterprise IT and cybersecurity engineering, integrating security into core systems, cloud platforms, and managed services while ensuring compliance, resilience, and operational continuity.

Key Challenges

  • Regulatory and audit pressure (e.g. financial authorities, internal audits)
  • Protection of sensitive customer and transaction data
  • High availability and operational resilience requirements
  • Legacy IT modernization without disrupting critical services

Our Solutions

  • Enterprise IT Security Architecture
  • Identity & Access Management (IAM)
  • Secure Cloud & Hybrid Infrastructure
  • Managed IT & Cybersecurity Services (MSP)
  • Security Monitoring & Incident Response Support
  • Compliance-aligned IT governance and controls

Project Experience

  • Secure enterprise IT environments for regulated financial institutions
  • Managed IT and cybersecurity operations for banking clients
  • Cloud and infrastructure security modernization programs

Don't See Your Industry?

Our engineering expertise applies beyond predefined sectors. We work with organizations operating complex IT systems, OT environments, and connected products, adapting our engineering methodology to industry-specific regulatory, operational, and lifecycle constraints.