ISA International Society of Automation Guaranteed-to-Run

ISA/IEC 62443 Cybersecurity Maintenance Specialist

The ISA/IEC 62443 Cybersecurity Maintenance Specialist course by ISA International Society of Automation equips industrial control system (ICS) engineers and operations personnel with skills to sustain and enhance cybersecurity in live environments, solving the critical pain point of maintaining secure IACS operations amid evolving threats. Learners master real-time intrusion detection, incident response, patch management, and change control, directly supporting compliance with ISA/IEC 62443 standards. Over 5,000 professionals have earned ISA/IEC 62443 certifications globally, reflecting growing employer demand for lifecycle-aligned cybersecurity expertise.

This course prepares learners for the official ISA/IEC 62443 Cybersecurity Maintenance Specialist certification exam, included in registration. Koenig Solutions delivers this training with official vendor-authorized courseware and 30-day lab access, ensuring hands-on readiness. Earning this credential advances your path to becoming an ISA/IEC 62443 Cybersecurity Expert, unlocking career growth in critical infrastructure protection.

40 Hours (5 Days)
Live Online / Classroom
0+ professionals trained

Training Formats & Pricing

1-on-1 USD 2,150
Dedicated instructor, your schedule Fastest
Public Batch USD 1,700
Group class, fixed schedule Most Popular

100% Happiness Guarantee · Free Rescheduling · Secure Payment

Course Overview

The ISA/IEC 62443 Cybersecurity Maintenance Specialist course by ISA International Society of Automation prepares professionals for the ISA/IEC 62443 Cybersecurity Maintenance Specialist (CMS) certification exam, a critical credential in industrial cybersecurity. Designed for control system engineers, OT security analysts, and industrial IT operations managers, this program equips learners with skills to maintain and enhance the security of Industrial Automation and Control Systems (IACS) throughout their operational lifecycle. With over 50 global companies in the ISA Global Cybersecurity Alliance representing more than $1.5 trillion in revenue adopting these standards, demand for certified professionals is rising across energy, manufacturing, and critical infrastructure sectors.

Participants engage with key technologies including Snort intrusion detection systems, Security Information and Event Management (SIEM) tools, application whitelisting platforms, patch management systems, network management tools, and antivirus endpoint protection solutions. Through hands-on exercises such as blocklisting, incident recovery simulations, and monitoring configurations, students gain practical experience in real-world scenarios like detecting intrusions, performing forensic investigations, and restoring systems after cyber events. While lab activities are instructor-led demonstrations in both classroom and virtual formats, they emphasize actionable skills in troubleshooting, change management, backup restoration, and conducting cybersecurity audits aligned with the ISA/IEC 62443 framework.

Earning the ISA/IEC 62443 Cybersecurity Maintenance Specialist certification validates expertise recognized by regulators, asset owners, and integrators worldwide. Certified professionals contribute directly to maintaining long-term system resilience and compliance, with mid-level OT security roles commanding salaries between ₹12–25 lakh annually in India and higher globally. Koenig Solutions supports success through official courseware and Guaranteed-to-Run batches, ensuring access to accredited training. Completing this certification advances careers toward roles such as OT security architect or compliance lead, positioning graduates to lead incident response, audit readiness, and continuous improvement of industrial cybersecurity programs.

Prerequisites

Recommended knowledge before taking this course
  • ISA/IEC 62443 Cybersecurity Fundamentals Specialist certification or equivalent knowledge
  • Completion of the IC32 course: Using the ISA/IEC 62443 Standards to Secure Your Control Systems
  • Working knowledge of industrial automation and control systems (IACS) architecture and operations
  • Familiarity with network diagnostics, troubleshooting, and monitoring tools in operational technology (OT) environments
  • Understanding of security monitoring, incident response, and change management processes in IACS
  • Experience with backup, recovery, and cybersecurity audit procedures in industrial settings
Corporate Training
Get a Corporate Quote

Volume discounts · Dedicated account manager · Custom scheduling

Certification Exam

Everything you need to know about the ISA/IEC 62443 Cybersecurity Maintenance Specialist certification exam

Exam Details
Exam Name
Format
Multiple choice, labs & case studies
Questions
Duration
Passing Score
Validity
Retake Policy
Retest fee: $120 for ISA members, $150 for non-members; requires completion within six months of course end
Let's Talk

Request for more information

ISA/IEC 62443 Cybersecurity Maintenance Specialist

We'll respond within 1 business day · No spam, ever.

Course Curriculum

Structured learning with hands-on labs and real-world scenarios

1
Day 1– Mastering the ISA/IEC 62443 Cybersecurity Maintenance Specialist Lifecycle
ISA/IEC 62443 Cybersecurity Maintenance Specialist lifecycle overview Identification and Assessment phase core principles Design and Implementation phase security review Operations and Maintenance phase technical focus Interpreting critical device alarms and event logs Network intrusion detection systems (IDS) deployment Essential network management tools for security Network diagnostics and rapid troubleshooting techniques
2
Day 2– Advanced Security Monitoring and Application Diagnostics
Interpreting OS and complex application alarms Application whitelisting and robust management tools Antivirus and endpoint protection security tools Security incident and event monitoring (SIEM) integration Host-based intrusion detection system fundamentals Identifying early indicators of security incidents Application diagnostics and detailed log analysis Monitoring with Snort intrusion detection systems
3
Day 3– ISA/IEC 62443 Security Management and Incident Response
Implementing IACS backup and recovery protocols Patch management lifecycle and automation tools Standardized antivirus management control procedures Management of Change (MoC) operational procedures IACS configuration management and control tools Conducting expert-led cybersecurity compliance audits Developing resilient incident response action plans Incident investigation and rapid system recovery

What's Included in Your Training

Every enrollment comes packed with resources to maximise your learning and exam success

Career Outcomes

82%

of ISA/IEC 62443 Cybersecurity Maintenance Specialist certified professionals report career advancement within 6 months

Salary Impact

+28%

Average salary increase reported after obtaining the ISA/IEC 62443 Cybersecurity Maintenance Specialist certification

Typical Salary Range (Global)
Entry$90,000–$115,000
Mid$115,000–$145,000
Senior$145,000–$180,000

*Source: Glassdoor / LinkedIn 2025

Job Roles

6
  • ISA/IEC 62443 Cybersecurity Maintenance Specialist
  • Industrial Control Systems Security Analyst
  • OT Security Engineer
  • OT/ICS Incident Responder
  • IACS Cybersecurity Operations Lead
  • Critical Infrastructure Security Auditor

Companies Hiring

5,000+
Siemens Schneider Electric Rockwell Automation Accenture Deloitte Lockheed Martin ExxonMobil Chevron General Electric Honeywell

and 5,000+ organizations worldwide seeking ISA/IEC 62443 Cybersecurity Maintenance Specialist certified professionals

Real Transformations

Course Student Reviews

Real results from IT professionals who trained with Koenig — rated 4.9/5 from 18,400+ verified reviews.

18,400+
Verified Reviews
4.9 / 5
Average Rating
95%
Would Recommend
1M+
Professionals Trained
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified

Frequently Asked Questions

Everything you need to know about the ISA/IEC 62443 Cybersecurity Maintenance Specialist training course

Is the ISA/IEC 62443 Cybersecurity Maintenance Specialist certification exam fee included in the course?
Yes, the ISA/IEC 62443 Cybersecurity Maintenance Specialist certification exam fee is included in your course registration. Per ISA official guidelines for IC37, the initial exam is covered. If you require a retest, fees are $150 USD for non-members and $120 USD for ISA members.
What training formats are available for the ISA/IEC 62443 Cybersecurity Maintenance Specialist course, and is Guaranteed-to-Run scheduling offered?
The ISA/IEC 62443 Cybersecurity Maintenance Specialist course is available in Classroom (IC37), Virtual Classroom (IC37V), and Self-Paced (IC37M) formats. Koenig Solutions offers Guaranteed-to-Run scheduling for live sessions, ensuring your training proceeds as planned with flexible 1-on-1 or group learning options.
How long is lab access provided, and what type of environment is used for the ISA/IEC 62443 Cybersecurity Maintenance Specialist training?
Learners typically receive 30 days to 6 months of lab access. You will use cloud-based sandbox environments that simulate real-world IACS networks. This setup provides essential hands-on practice for patch management, SIEM configuration, and industrial incident response protocols.
What is Koenig's rescheduling and cancellation policy for the ISA/IEC 62443 Cybersecurity Maintenance Specialist course?
Koenig permits one free reschedule if requested 10+ days before the start date. Changes within 10 days incur a 50% fee. Per our Terms of Service, all requests must be submitted in writing, and the same course cannot be rescheduled more than once.
What is the format, duration, number of questions, and passing score for the ISA/IEC 62443 Cybersecurity Maintenance Specialist exam?
The ISA/IEC 62443 Cybersecurity Maintenance Specialist exam features 100 closed-book, multiple-choice questions over two hours. ISA does not publish a specific passing score; you will receive a pass/fail result immediately upon completion via Meazure Learning, followed by an official email notification.
How long is the ISA/IEC 62443 Cybersecurity Maintenance Specialist certificate valid, and what is the renewal process?
Your ISA/IEC 62443 Cybersecurity Maintenance Specialist certificate remains current for three years. To maintain status, you must pass a Knowledge Review every three years with a score of at least 70%. This review costs $100 USD for non-members and requires completion within 30 days.
What post-training support does Koenig provide after completing the ISA/IEC 62443 Cybersecurity Maintenance Specialist course?
Koenig offers 30 days of post-training support, including session recordings and expert mentor guidance. You also benefit from our Happiness Guarantee, which allows for a free retake if you are unsatisfied, ensuring you are fully prepared to apply your skills in the field.
What are the prerequisites for enrolling in the ISA/IEC 62443 Cybersecurity Maintenance Specialist course?
You must hold the ISA/IEC 62443 Cybersecurity Fundamentals Specialist (IC32) certificate to enroll. We recommend 3–5 years of IT cybersecurity experience with OT exposure, plus a strong foundational understanding of industrial control systems and relevant industry security standards.
What is the salary impact and career progression for professionals with the ISA/IEC 62443 Cybersecurity Maintenance Specialist certification?
This certification helps professionals command salaries between $95,000 and $130,000 as OT Security Analysts or ICS Security Engineers. Earning all four ISA/IEC 62443 certificates grants the prestigious Cybersecurity Expert designation, significantly boosting your leadership potential and professional consulting rates.
How does the ISA/IEC 62443 Cybersecurity Maintenance Specialist certification compare to self-study in terms of exam readiness and industry recognition?
The ISA/IEC 62443 Cybersecurity Maintenance Specialist certification provides structured, vendor-authorized training that far exceeds self-study. With hands-on exercises and expert instruction, you gain globally recognized, validated expertise in industrial cybersecurity operations, making you a preferred candidate for top-tier employers and regulators.
100%

Happiness Guarantee

We are so confident in the quality of our training that we offer a full money-back guarantee. Not satisfied? Contact us within 24 hours of your first session — we'll refund you completely, no questions asked.

Full Refund

Within 24 hours

No Questions

Asked ever

Secure Payment

Encrypted checkout

PCI DSS

Compliant