From IT/OT network segregation and incident monitoring to risk management and supply-chain security, the CEA Cyber Security Regulations 2026 highlight the need for a structured approach to protecting India’s power infrastructure.
VAYS INFOTECH | TECHNICAL ADVISORY ARTICLE
Cybersecurity Is Now an Operational Priority for the Power Sector
India’s power infrastructure is undergoing a significant technological transformation. Power generation plants, transmission networks, distribution utilities, renewable energy installations and load despatch centres increasingly depend on interconnected digital systems for monitoring, control and operational decision-making.
Supervisory Control and Data Acquisition (SCADA) systems, Industrial Control Systems (ICS), programmable logic controllers, intelligent electronic devices, remote terminal units and communication gateways support essential power-sector operations. These systems often interact with enterprise IT networks, remote-access infrastructure and third-party maintenance environments.
While connectivity improves operational efficiency, it also introduces cybersecurity risks. A compromised enterprise endpoint may provide an attacker with an initial foothold. Inadequately secured network connections may create pathways towards critical operational systems. Vulnerable firmware, excessive access privileges and poorly monitored third-party connections can increase the potential impact of an incident.
In the power sector, cybersecurity failures can affect more than information confidentiality. They may threaten system availability, operational continuity, grid reliability and public safety.
The Central Electricity Authority (CEA) has introduced the Central Electricity Authority (Cyber Security in Power Sector) Regulations, 2026, establishing a regulatory framework for cybersecurity across covered power-sector entities and applicable vendors. The regulations are scheduled to come into force on 1 April 2027, subject to specified provisions that commence on dates notified separately.
For organisations within scope, the transition requires more than purchasing security products. It calls for documented governance, asset visibility, risk management, secure IT/OT architecture, incident response and evidence of implementation.
The important question for power-sector organisations is straightforward: are their existing infrastructure and cybersecurity processes ready for the applicable requirements?
From the 2021 CEA Guidelines to the 2026 Regulations
The CEA’s Cyber Security in Power Sector Guidelines, 2021, provided an earlier framework for improving cybersecurity practices across the sector. The subsequent development of draft regulations and the notification of the 2026 regulations represent a further step towards a formal regulatory approach.
The 2026 framework addresses several interconnected areas:
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Cybersecurity governance and the responsibilities of designated personnel.
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Identification and classification of critical IT and OT systems.
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Cyber asset registers and documented risk assessment.
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Network isolation, segmentation and electronic security perimeters.
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Secure remote access and operational connectivity.
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Continuous monitoring, incident response and reporting.
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Vendor and cybersecurity supply-chain risk management.
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Cybersecurity audits, self-audits and applicable certification requirements.
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Cyber crisis management, business continuity and recovery.
The regulations also establish functions for the Computer Security Incident Response Team – Power (CSIRT-Power), including coordination, incident analysis, threat information and sector-level cybersecurity support.
Applicability is important. The regulations cover specified entities that own, operate or manage OT infrastructure associated with the interconnected power system and connected IT infrastructure. They also address power exchanges and over-the-counter platforms, subject to stated exceptions. Specific provisions apply to vendors, and the regulations provide a capacity threshold for certain generating companies, captive generating plants and energy storage organisations.
Organisations should therefore determine their obligations from the scope and applicability provisions rather than assuming that every requirement applies identically to every electricity-related business.
For covered organisations, the priority is to establish which controls apply, assign ownership and create an evidence-based implementation plan.
1. IT/OT Security: Why Network Segregation Needs Reassessment
Enterprise IT systems and Operational Technology have different security and availability requirements.
IT environments typically support employee endpoints, business applications, email, databases and corporate services. OT environments monitor or control physical equipment, processes and events. A disruption to a conventional office application may cause inconvenience, whereas an interruption to a critical control system may affect industrial operations.
The CEA regulations establish specific expectations for OT isolation and controlled interconnections. They require organisations to address the risks associated with connections between OT, IT and power-system communication infrastructure.
Power-sector organisations should review the following areas.
Network segmentation: Separate systems according to their criticality, trust levels and operational requirements. Document approved communication paths between enterprise networks and control environments.
Electronic security perimeters: Establish clearly defined boundaries around critical systems. Restrict communication to authorised destinations, applications, users and protocols.
Firewall architecture: Evaluate whether perimeter security devices provide the inspection, filtering, detection and monitoring capabilities required for the relevant environment.
Remote connectivity: Review access used by original equipment manufacturers (OEMs), system integrators, contractors and maintenance engineers. Apply appropriate approval, authentication, authorisation, monitoring and access-duration controls.
Operational safety: Validate security changes against process requirements. Unplanned changes to control networks can introduce availability risks, so testing and change management are essential.
The regulations specify OT isolation requirements and describe circumstances in which IT/OT interconnections may be permitted under defined procedures, risk assessment, appropriate approval and continuous monitoring.
Organisations should not assume that installing a firewall automatically satisfies every network-isolation obligation. The actual architecture, permitted exceptions, communication channels and required controls must be assessed against the notified provisions.
2. Firewalls and Intrusion Prevention: Deployment Alone Is Not Enough
Many organisations have already invested in next-generation firewalls (NGFWs), intrusion detection systems and intrusion prevention systems. However, purchasing security appliances does not automatically establish an effective security posture.
A firewall may offer advanced inspection capabilities while operating with permissive rules, incomplete network documentation, outdated configurations or insufficient monitoring. Similarly, an intrusion prevention capability may be ineffective if it is poorly tuned for the traffic it needs to protect.
Organisations should examine several practical questions:
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Are firewall rules based on documented business and operational requirements?
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Are unnecessary services, ports and protocols restricted?
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Are IT/OT communication paths identified and approved?
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Can the deployed security devices inspect relevant OT protocols and traffic?
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Are signatures, firmware and updates managed through an appropriate controlled process?
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Are configuration changes approved, recorded and periodically reviewed?
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Are security logs enabled and retained as required?
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Are alerts investigated by personnel with clear escalation responsibilities?
The CEA framework includes specific requirements for security devices at applicable OT interconnection points, including protocol-related inspection, traffic filtering and detection capabilities. It also addresses controlled updates and perimeter-device policy reviews.
These requirements make configuration quality, operational discipline and evidence important parts of cybersecurity readiness.
A structured firewall review can help identify unnecessary access, policy inconsistencies, unsupported firmware, configuration drift and gaps in logging. Where existing products meet operational and regulatory needs, optimisation may be more appropriate than immediate replacement.
3. Asset Visibility: Can You Identify Every Critical Cyber Asset?
Asset management is the foundation of effective cybersecurity. Organisations cannot reliably assess exposure or prioritise remediation if they do not know which systems exist, how they connect and what role they perform.
In power-sector environments, an inventory may need to include:
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SCADA servers, engineering workstations and operator consoles.
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Programmable logic controllers, remote terminal units and intelligent electronic devices.
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Network switches, routers, firewalls and communication gateways.
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Operating systems, applications, firmware and installed software components.
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Virtual machines, remote-access infrastructure and security appliances.
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Asset owners, locations, network connections and support status.
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Criticality classifications and dependencies between systems.
The regulations address cyber asset registers and the identification and classification of critical systems. They also establish expectations for risk assessment and the maintenance of supporting documentation.
Consider a power operator with multiple substations and equipment from different manufacturers. If firmware versions, network connections and support status are not documented, the organisation may struggle to determine whether a newly disclosed vulnerability affects its infrastructure.
A reliable asset register helps answer practical questions: Which systems are affected? Which are critical? Can they be patched safely? What compensating controls are available? Who must approve the remediation?
Asset visibility should therefore be treated as an ongoing operational process, not a one-time spreadsheet exercise.
4. Continuous Monitoring: Moving Beyond Periodic Security Checks
Periodic security assessments provide a snapshot of an environment. They cannot, by themselves, identify every suspicious event that occurs between assessments.
The CEA framework addresses surveillance and continuous monitoring of applicable IT and OT systems, together with incident-response and remediation capabilities.
Organisations should assess how they collect, analyse and act on security information.
Centralised log management: Collect appropriate security events from firewalls, servers, authentication systems, network infrastructure and supported OT components.
Security event correlation: Identify suspicious combinations of events that may not appear significant when examined separately.
Network anomaly detection: Investigate unexpected connections, unusual traffic patterns and deviations from established operational behaviour.
Threat intelligence: Review relevant advisories, vulnerabilities and threat information from appropriate authorities and vendors.
Incident escalation: Define who investigates alerts, when management must be notified and which incidents require formal reporting.
Incident response: Maintain the people, procedures and technical capabilities needed to investigate incidents and support recovery.
A Security Information and Event Management (SIEM) platform or Security Operations Centre (SOC) can support these objectives. However, technology selection should reflect the environment’s size, telemetry availability, operational constraints and response requirements.
OT monitoring deserves particular care. Security teams must understand industrial protocols and avoid monitoring approaches that could disrupt sensitive control processes.
The objective is not simply to collect more logs. It is to achieve useful visibility, timely detection and a documented response process.
5. Cyber Risk Assessment Must Reflect Operational Consequences
Cyber risk assessment in the power sector cannot rely solely on a vulnerability’s technical severity score.
The same vulnerability may have very different consequences on an isolated test workstation and a critical control-system component connected to operational infrastructure.
A useful assessment considers:
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Asset criticality and potential operational impact.
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Network exposure and possible attack paths.
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Dependencies between enterprise IT and OT.
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Existing security controls and compensating measures.
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Exploitability and available threat information.
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Vendor support status and remediation options.
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Maintenance windows and the risks of changing live systems.
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Recovery complexity and the availability of validated backups.
The regulations address cyber risk assessment and mitigation planning, including the identification of vulnerabilities and threats, risk evaluation and controls proportionate to the risks identified.
For legacy industrial systems, immediate patch deployment may not always be feasible. An organisation may need to validate updates, schedule a controlled maintenance window or introduce temporary protections.
Possible measures include restricting network access, disabling unnecessary services, strengthening authentication, improving monitoring and isolating vulnerable components where operationally appropriate.
The goal is to reduce risk through a documented and prioritised process without compromising operational reliability.
6. Cybersecurity Audits: From Reports to Verifiable Controls
Cybersecurity audits help organisations determine whether their security arrangements meet applicable requirements. They also create an opportunity to identify control weaknesses, assign corrective actions and verify improvements.
The CEA regulations address cybersecurity audits, including auditor eligibility and reporting-related requirements. They also provide for self-audits and other forms of assessment or verification.
Organisations should distinguish between three activities.
Cybersecurity assessment: Examines the environment, identifies weaknesses and recommends improvements.
Cybersecurity audit: Evaluates the cybersecurity posture against applicable requirements and records findings supported by evidence.
Certification: Establishes conformity with a defined standard or certification scheme through the applicable process.
These activities can complement one another, but they are not interchangeable.
For example, an organisation with an ISO/IEC 27001-certified information security management system may still need to address sector-specific OT isolation, critical-system controls, monitoring, incident reporting and vendor-related obligations.
Likewise, a vulnerability assessment alone does not establish compliance with every applicable CEA requirement.
A practical audit-readiness programme should maintain current network diagrams, asset registers, cybersecurity policies, risk assessments, access records, incident logs, backup-test results and corrective-action evidence as applicable.
Findings should lead to assigned actions, deadlines and verification. Closing an audit finding administratively is not enough if the underlying control weakness remains.
Where the regulations require an appropriately empanelled or designated auditor, organisations must engage a party that satisfies the applicable eligibility conditions.
7. Vendor and Supply-Chain Cybersecurity
Power infrastructure depends on equipment manufacturers, system integrators, software suppliers, contractors and maintenance providers. These relationships can introduce risks through vulnerable components, unsupported firmware, insecure remote access or insufficient vendor security practices.
The CEA regulations include provisions addressing vendors and cybersecurity supply-chain security. Organisations should assess their procurement and supplier-management processes in light of the applicable requirements.
Product lifecycle: Establish how firmware updates, security patches, support periods and end-of-life notifications will be managed.
Component transparency: Obtain relevant product and component documentation, including bills of materials where applicable.
Remote maintenance: Require approved access, appropriate authentication, defined privileges, monitoring and timely revocation.
Security testing: Include cybersecurity considerations in Factory Acceptance Testing (FAT), Site Acceptance Testing (SAT) and commissioning processes where applicable.
Incident cooperation: Define how vendors will support vulnerability disclosure, investigation, remediation and recovery.
Configuration and restoration: Maintain appropriate configuration records and verify that supported restoration procedures are available.
Procurement decisions should consider long-term cybersecurity support alongside performance, reliability, interoperability and initial equipment cost.
Organisations should also review whether vendor contracts clearly assign responsibilities for updates, security advisories, incident notifications and access management.
A secure product can still introduce risk when deployed incorrectly or maintained without adequate controls. Supply-chain security must therefore continue throughout the equipment lifecycle.
8. Cyber Crisis Management and Recovery
No defensive architecture can guarantee that every cyber incident will be prevented. Cyber resilience also depends on an organisation’s ability to contain incidents, maintain essential functions and restore affected systems safely.
The CEA framework addresses cyber crisis management, incident response, recovery and business continuity.
Organisations should review whether their plans answer practical questions:
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What happens if critical SCADA management infrastructure becomes unavailable?
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Can essential configurations be restored from verified backups?
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Which operational functions must be recovered first?
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Can an affected network segment be isolated without creating additional operational risks?
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How will teams communicate if normal IT services are unavailable?
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Who authorises emergency changes and system restoration?
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How will incident evidence be preserved for investigation?
A recovery plan should identify responsibilities, technical dependencies, escalation procedures and recovery priorities.
Backups must be protected from unauthorised access and alteration. Where applicable, organisations should maintain separate or offline copies and periodically verify that restoration works as intended.
Tabletop exercises, incident-response drills and recovery tests help expose weaknesses before an actual incident occurs. Testing should involve the relevant IT, OT, operations, management and vendor stakeholders.
The CEA regulations also address the alignment of cybersecurity policy with business continuity planning and establish requirements for incident-response and recovery arrangements.
The measure of preparedness is not whether a plan exists. It is whether the organisation can execute that plan safely and effectively.
9. What Should Power-Sector Organisations Prioritise Before April 2027?
The period before the scheduled commencement of the regulations provides an opportunity to understand applicable obligations, establish ownership and address technical gaps.
A phased approach can help organisations make progress without committing prematurely to new security platforms.
Step 1: Determine regulatory applicability
Identify the entity category, infrastructure in scope, relevant exceptions and provisions that apply to the organisation. Review the notified regulations and subsequent official directions.
Step 2: Establish governance and ownership
Confirm the applicable responsibilities for cybersecurity leadership, supporting teams, operations, incident reporting and management oversight. Review existing policies and identify missing procedures.
Step 3: Build an accurate asset and network inventory
Document relevant IT and OT assets, critical systems, network connections, communication dependencies and support status. Validate network diagrams against the deployed environment.
Step 4: Review IT/OT isolation and perimeter security
Assess network segmentation, approved interconnections, firewall policies, protocol inspection, remote access and security-device logging. Document exceptions and remediation priorities.
Step 5: Evaluate risk and vulnerability management
Identify exposures, assess operational consequences and prioritise mitigation. Establish a controlled process for patching, configuration changes and handling unsupported equipment.
Step 6: Strengthen monitoring and incident response
Review log collection, monitoring coverage, alert escalation, incident registers, reporting responsibilities and coordination procedures.
Step 7: Review suppliers and procurement
Assess vendor access, product support, update processes, relevant component documentation and cybersecurity testing requirements.
Step 8: Test backup and recovery arrangements
Verify backup integrity, restoration procedures, recovery priorities and incident-response coordination. Record test results and address identified weaknesses.
Step 9: Prepare evidence and close gaps
Maintain applicable policies, inventories, risk assessments, configuration records, training evidence, incident documentation and corrective-action records.
Step 10: Establish a review cycle
Assign owners and deadlines, track progress and periodically reassess the environment. Update the programme when infrastructure, threats or official requirements change.
The sequence should be adapted to the organisation’s risk profile, operational dependencies and regulatory obligations. Some controls may require earlier attention because of specific commencement provisions or other applicable directions.
Not every organisation will need an entirely new cybersecurity platform. Better configuration of existing firewalls, stronger access controls, improved asset documentation and more effective monitoring may deliver meaningful improvements where those are the actual gaps.
The first investment should be in understanding the environment and the requirements that apply to it.
10. How Vays Infotech Can Support Power-Sector Cybersecurity Readiness
Vays Infotech provides enterprise networking, cybersecurity infrastructure, systems integration and managed IT capabilities. These capabilities can support organisations reviewing their existing security architecture and planning practical technical improvements.
Our approach begins with understanding the current infrastructure, operational requirements, existing security controls and intended outcomes.
Potential areas of support include:
Cybersecurity infrastructure assessment: Review network architecture, security appliances, connectivity and existing technical controls.
IT/OT network security: Support segmentation planning, firewall configuration reviews and secure interconnections in coordination with appropriate OT specialists.
Firewall optimisation: Review policies, configurations, security features, firmware lifecycle and perimeter-security management.
Asset and network documentation: Support asset discovery, register development, configuration baselines and network documentation.
Monitoring integration: Help evaluate log aggregation, SIEM integration, security-event visibility and managed monitoring options.
Vulnerability management: Support identification, prioritisation, remediation planning and verification using methods appropriate to the operational environment.
Backup and recovery: Review protection arrangements, recovery architecture, configuration backups and restoration-testing processes.
Compliance readiness: Help translate applicable technical requirements into gap assessments, remediation plans and supporting documentation.
The appropriate scope depends on the customer’s infrastructure, applicable obligations and operational constraints. Formal regulatory audits, certification and other activities requiring designated or empanelled parties must be undertaken by organisations that meet the relevant requirements.
Vays Infotech’s focus is to help customers understand their technical gaps and develop maintainable infrastructure improvements, rather than promise compliance through the purchase of any particular product.
Frequently Asked Questions
1. What are the CEA Cyber Security Regulations 2026?
The Central Electricity Authority (Cyber Security in Power Sector) Regulations, 2026, establish a cybersecurity framework for covered power-sector entities and applicable vendors. The framework addresses areas including IT/OT security, critical-system identification, asset registers, risk assessment, monitoring, incident management, vendor security and cybersecurity audits.
2. When do the CEA Cyber Security Regulations 2026 come into effect?
The regulations specify 1 April 2027 as the general commencement date. Certain provisions are subject to separate commencement dates to be specified through the prescribed process. Organisations should check the notified regulations and subsequent official orders for the provisions applicable to them.
3. Which organisations are covered by the regulations?
The regulations cover specified entities that own, operate or manage OT infrastructure associated with the interconnected power system and their connected IT infrastructure. They also cover power exchanges and over-the-counter platforms subject to stated exceptions. Specific applicability conditions apply to certain generating companies, captive generating plants and energy storage organisations, as well as vendors under relevant provisions.
4. Why is IT/OT network segregation important?
IT/OT segregation limits unnecessary communication between business networks and industrial control environments. It can reduce attack paths and help contain incidents. The regulations address OT isolation and permit certain interconnections under defined conditions involving procedures, risk assessment, approval and continuous monitoring.
5. Are firewalls sufficient for CEA cybersecurity readiness?
No. Firewalls are one component of a broader cybersecurity architecture. Organisations must also evaluate network isolation, appropriate inspection capabilities, access management, security logs, monitoring, asset inventories, risk management, incident response and other applicable controls.
6. What is CSIRT-Power?
The Computer Security Incident Response Team – Power is the power-sector coordination body described in the regulations for activities such as cyber incident reporting and response coordination, threat and vulnerability analysis, advisories and sector-level cybersecurity support.
7. What should organisations include in a cyber asset register?
An asset register should document relevant cyber assets and their characteristics. Depending on the environment, useful information includes asset type, location, owner, software and firmware versions, network connections, criticality, support status and dependencies. The register should be maintained through a defined process rather than treated as a static list.
8. Can an ISO/IEC 27001 certificate demonstrate complete compliance?
Not by itself. ISO/IEC 27001 addresses information security management, while the CEA regulations include power-sector requirements that may involve specific OT architecture, technical controls, reporting, operational procedures and other obligations. Organisations should assess each applicable requirement separately.
9. How should power-sector organisations prepare for a cybersecurity audit?
Start by confirming applicable requirements and identifying gaps. Maintain relevant policies, asset registers, network diagrams, risk assessments, access records, monitoring evidence, incident documentation, backup-test results and corrective-action records. Engage an appropriately eligible auditor where the regulations require one.
10. How can Vays Infotech help with cybersecurity readiness?
Vays Infotech can support infrastructure assessments, firewall optimisation, network-security planning, monitoring integration, asset documentation, vulnerability management and recovery planning. The scope should be based on the customer’s requirements and technical environment. Formal audits and certifications must be handled by appropriately authorised parties where required.
Conclusion: Cybersecurity Must Become Part of Infrastructure Engineering
The CEA Cyber Security in Power Sector Regulations, 2026, represent an important development in the protection of India’s electrical infrastructure.
Cybersecurity cannot remain a collection of disconnected products, occasional assessments and isolated compliance documents. It must be integrated into architecture, procurement, commissioning, monitoring, maintenance, incident response and infrastructure lifecycle management.
The transition towards the scheduled commencement date provides an opportunity for covered organisations to understand their obligations, identify weaknesses and improve operational resilience.
The real measure of cybersecurity readiness is not how many security products an organisation owns. It is how effectively its systems are identified, protected, monitored, maintained and recovered.
Strengthening Your Power-Sector Cybersecurity Infrastructure
Vays Infotech can help your organisation assess networking and security infrastructure, identify technical gaps and develop a practical improvement roadmap aligned with applicable requirements.
Discuss your cybersecurity infrastructure with Vays Infotech.
Vays Infotech Pvt. Ltd. | Enterprise Networking • Cybersecurity • IT Infrastructure • Managed Services
Regulatory note
This article provides general technical information and an overview of cybersecurity readiness considerations relating to the Central Electricity Authority (Cyber Security in Power Sector) Regulations, 2026. It is not legal advice and does not replace the notified regulations, official directions or professional interpretation of applicable obligations. The regulations specify 1 April 2027 as the general commencement date, with certain provisions subject to separate commencement orders. Readers should consult the official CEA notification and subsequent directions to confirm the current requirements and applicability to their organisations.
