IT– & OT–Security
Securing Converged Environments – IT & OT Cybersecurity for Modern Enterprises
In today’s increasingly connected industrial landscape, the line between IT (Information Technology) and OT (Operational Technology) is rapidly blurring. As these systems converge, so do their vulnerabilities. Organizations now face the complex challenge of securing both digital infrastructures and physical operations against evolving cyber threats.
Unlike traditional IT environments, OT systems often lack modern security architecture, are deeply embedded in legacy infrastructure, and must remain operational around the clock. At the same time, compliance demands from standards like NIST, IEC 62443, ISO 27001, and NIS2 are rising – alongside increasing attacks on critical infrastructure.
To protect the full technology stack, enterprises must implement a cohesive security strategy that spans threat prevention, detection, and response – while ensuring operational continuity and compliance across both IT and OT ecosystems.
Whether it is segmenting industrial networks, deploying SOCs and SIEM platforms, or hardening SCADA and PLCs, robust cybersecurity is no longer a siloed function – it’s a core pillar of a business’s resilience.
Why Cyber Resilience is Now Mission-Critical for U.S. Businesses
As digital systems increasingly power American industry, cyberattacks are no longer confined to IT – they now target operational technology, disrupting everything from factories to utilities. Recent high-profile incidents have shown how vulnerable critical infrastructure can be.
Legacy OT environments weren’t built for today’s threat landscape. Many lack even basic cybersecurity controls and can’t be easily patched. When IT and OT systems converge – especially in connected, cloud-enabled environments – organizations face an expanded and highly exposed front. Key risks facing U.S. organizations include:
- Gaps in security across legacy OT and modern IT networks
- Increased exposure through remote access, IoT, and cloud platforms
- Rising compliance demands from regulators (NIST, IEC 62443, NIS2)
- Growing operational risk from ransomware and targeted cyberattacks
Protecting critical infrastructure today means embedding security into every layer of your enterprise – not just at the firewall, but deep within your industrial control systems, data flows, and access policies. In an era where downtime can ripple through entire supply chains, proactive detection, response, and resilience are essential for business continuity and public trust.
EFS Consulting Americas: What we do in IT- & OT-Security
From strategy to real-time threat detection, we help U.S. organizations secure both traditional IT systems and complex OT environments. Our approach combines deep technical expertise with industry-specific knowledge, ensuring end-to-end protection across the digital and physical enterprise.
- IT & OT Security Strategy & Governance
- Threat Prevention, Detection & Incident Response
- Infrastructure Resilience & Business Continuity
- OT Security & Industrial Cyber Resilience
- Identity & Access Management (IAM)
1. IT & OT Security Strategy & Governance
We design integrated security programs that align with international standards while meeting the unique demands of both IT and OT environments.
- Develop IT & OT security policies aligned with NIST, IEC 62443, ISO 27001
- IT & OT network security & segmentation strategies
- Conduct industrial cybersecurity assessments and governance frameworks
- Compliance & regulatory management (GDPR, NIS2, and ISO)
2. Threat Prevention, Detection & Incident Response
We deploy advanced tools and processes to detect threats early, respond effectively, and reduce downtime across critical systems.
- Deploy Security Information and Event Management (SIEM) solutions
- Implement Intrusion Detection & Prevention Systems (IDS & IPS)
- Establish Security Operations Center (SOC) integration for monitoring
- Develop Incident Response Plans (IRP)
3. Infrastructure Resilience & Business Continuity
We help organizations prepare for the unexpected by building resilient IT/OT infrastructures that can withstand and recover from cyber events.
- Establish disaster recovery and backup solutions
- Enhance IT and OT infrastructure resilience
- Deploy Endpoint/Extended Detection & Response (EDR/XDR) solutions
- Develop business continuity plans for critical systems
4. OT Security & Industrial Cyber Resilience
We specialize in securing industrial environments – protecting physical assets and critical infrastructure against digital threats.
- Securing OT systems in manufacturing and logistics
- Protecting critical infrastructure from cyber risks
- Implementing network segmentation and access controls
- Harden SCADA, PLCs, HMIs, and DCS against cyber threats
5. Identity & Access Management (IAM)
We implement modern access controls that ensure only the right personnel is grant access – and at the right time.
- Managing role-based access and authentication security
- Preventing unauthorized system and data access
- Implementing multi-factor authentication (MFA) and SSO
- Enhancing user governance with automated access policies
Why EFS Consulting Americas as Your IT- & OT-Security Partner
In a business environment where cyber threats span both digital and physical operations, American businesses require a partner who understands the risks across both domains and can design pragmatic, integrated defenses. EFS Consulting Americas delivers comprehensive IT & OT Security solutions that protect the entire enterprise—from the cloud to the shop floor.
We bring expertise in safeguarding industrial environments, building scalable security architectures, and embedding compliance into every layer of the technology stack. We help clients navigate evolving standards like NIST, IEC 62443, and NIS2 while strengthening detection, response, and recovery capabilities.
By implementing solutions that are both technically sound and operationally sustainable, we help you reduce exposure, respond faster, and maintain resilience in the face of a rapidly evolving threat landscape.
