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Information Systems Security Engineering Professional (ISSEP) Certification: An Expert ISC2 Concentration

Evaluate this expert credential for applying systems engineering principles to secure design and operations.

The Information Systems Security Engineering Professional (ISSEP) is an expert concentration for senior professionals. It validates expertise applying systems engineering principles to secure system design, implementation, and operations. Explore ISSEP domains, candidates, prerequisites, and renewal. Understand its value for secure system development, defense, and government cybersecurity.

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Credential overview

Understanding the ISC2 Information Systems Security Engineering Professional Certification

ISSEP is an expert ISC2 security engineering concentration for professionals who apply systems engineering principles to secure system design and lifecycle assurance.

ISSEP expands the app's coverage into systems security engineering. It supports pages for security engineer, systems security engineer, defense cybersecurity, secure lifecycle, NIST-style engineering, assessment and authorization, and CISSP concentration comparisons.

Security EngineeringCISSP ConcentrationSystems EngineeringRisk ManagementSecure LifecycleCybersecurity

Who should take it

Take ISSEP if your work involves engineering secure systems across requirements, design, implementation, validation, and operation. It is a better fit for senior engineering practitioners than for candidates focused mainly on policy, management, or entry-level security operations.

Best for

ISSEP fits senior security engineers, systems engineers, security architects with engineering responsibility, technical leads, government and defense security professionals, and consultants working on secure system development, verification, validation, assessment, and lifecycle operations.

Why it matters

ISSEP is valuable for professionals whose work requires formal security engineering credibility. It can differentiate candidates for systems security engineering, defense, government, critical infrastructure, secure systems development, and assurance-heavy roles.

Requirements

ISC2 lists two paths: CISSP in good standing plus two years of cumulative full-time experience in ISSEP domains, or seven years cumulative full-time experience in two or more ISSEP domains. The longer alternate path may allow one year to be satisfied by a relevant degree or approved credential.

Best fit

Who ISC2 Information Systems Security Engineering Professional (ISSEP) is best suited for

ISSEP fits senior security engineers, systems engineers, security architects with engineering responsibility, technical leads, government and defense security professionals, and consultants working on secure system development, verification, validation, assessment, and lifecycle operations.

Who should take it

Take ISSEP if your work involves engineering secure systems across requirements, design, implementation, validation, and operation. It is a better fit for senior engineering practitioners than for candidates focused mainly on policy, management, or entry-level security operations.

Best for

ISSEP fits senior security engineers, systems engineers, security architects with engineering responsibility, technical leads, government and defense security professionals, and consultants working on secure system development, verification, validation, assessment, and lifecycle operations.

Career value

Career value of ISC2 Information Systems Security Engineering Professional (ISSEP)

ISSEP can support senior systems security engineer, security engineer, secure systems architect, assurance lead, government cybersecurity, and defense security roles. It is strongest where organizations value formal engineering and lifecycle assurance.

ISSEP is valuable for professionals whose work requires formal security engineering credibility. It can differentiate candidates for systems security engineering, defense, government, critical infrastructure, secure systems development, and assurance-heavy roles.

Learning outcomes

Information Systems Security Engineering Professional Exam Topics and Skills

The Information Systems Security Engineering Professional certification focuses on five specific security engineering domains. This list details the technical requirements, lifecycle assurance principles, and system design criteria candidates must demonstrate during the formal examination.

  • Apply systems security engineering fundamentals to complex technical environments.
  • Manage security risk throughout system planning, design, implementation, and operations.
  • Define and validate security requirements for systems and architectures.
  • Support secure implementation, verification, validation, and stakeholder acceptance.
  • Plan secure operations, change management, and system disposal activities.

Tags and keywords

Certification tags and search topics

Security EngineeringCISSP ConcentrationSystems EngineeringRisk ManagementSecure LifecycleCybersecurityISC2 ISSEP certificationISSEP examInformation Systems Security Engineering ProfessionalCISSP concentration engineeringsecurity engineering certificationISSEP requirementsISSEP cost

Reference

Quick facts

Provider
ISC2
Code
ISSEP
Level
Expert
Credential type
Professional designation
Active exams
1
Known price
$599
Study time
90-180h
Last verified
Jun 16, 2026
Register

Provider

ISC2

ISC2

Professional association

Exam details

Information Systems Security Engineering Professional Exam Details

The Information Systems Security Engineering Professional exam consists of 125 questions within a three-hour time limit. Candidates must complete this written, in-person assessment to demonstrate expertise in security engineering, risk management, and systems lifecycle assurance.

ISSEP

Information Systems Security Engineering Professional Exam

Multiple-choice and advanced item questions.

Official exam
Type
Written
Delivery
In person
Duration
180 min
Questions
125

Passing score: 700 Scaled score out of 1000

Exam sections

01

Systems Security Engineering Foundations

The Systems Security Engineering Foundations section covers architecture principles, design constraints, dependency analysis, secure patterns, technology tradeoffs, resilience requirements, and the ability to justify design choices for business and operational needs. For Information Systems Security Engineering Professional, this domain is normally tested through professional security judgment: candidates need to connect terminology with risk, architecture, control effectiveness, governance, and operational consequences across realistic enterprise environments.

25% Weight
Question notes

Weight: about 25% of the exam content for this certification. ISC2 questions commonly use scenario-based wording and may require choosing the most appropriate, most complete, or best-risk-aligned answer from several plausible options. For Systems Security Engineering Foundations, expect architecture and design scenarios with competing business, security, and operational constraints, with questions that may blend this objective with neighboring exam areas instead of isolating it as a standalone topic.

Preparation tips

When preparing for Systems Security Engineering Foundations, use the official ISC2 exam outline as the checklist, then study enough surrounding context to explain why a control, design, policy, or operational action is appropriate in a specific scenario. Compare several possible designs and explain why one better satisfies security, scalability, cost, maintainability, resilience, and compliance requirements. Spend extra time on applied scenarios, because higher-level questions usually reward judgment, sequencing, and tradeoff analysis.

02

Risk Management

The Risk Management section covers governance structures, risk ownership, control selection, compliance evidence, policy alignment, audit readiness, and the way assurance activities support defensible management decisions. For Information Systems Security Engineering Professional, this domain is normally tested through professional security judgment: candidates need to connect terminology with risk, architecture, control effectiveness, governance, and operational consequences across realistic enterprise environments.

14% Weight
Question notes

Weight: about 14% of the exam content for this certification. ISC2 questions commonly use scenario-based wording and may require choosing the most appropriate, most complete, or best-risk-aligned answer from several plausible options. For Risk Management, expect governance, risk, compliance, audit, and assurance scenarios, with questions that may blend this objective with neighboring exam areas instead of isolating it as a standalone topic.

Preparation tips

When preparing for Risk Management, use the official ISC2 exam outline as the checklist, then study enough surrounding context to explain why a control, design, policy, or operational action is appropriate in a specific scenario. Practice tracing a requirement from policy or regulation through risk assessment, control design, implementation evidence, monitoring, reporting, and management sign-off. Spend extra time on applied scenarios, because higher-level questions usually reward judgment, sequencing, and tradeoff analysis.

03

Security Planning and Engineering

The Security Planning and Engineering section covers architecture principles, design constraints, dependency analysis, secure patterns, technology tradeoffs, resilience requirements, and the ability to justify design choices for business and operational needs. For Information Systems Security Engineering Professional, this domain is normally tested through professional security judgment: candidates need to connect terminology with risk, architecture, control effectiveness, governance, and operational consequences across realistic enterprise environments.

30% Weight
Question notes

Weight: about 30% of the exam content for this certification. ISC2 questions commonly use scenario-based wording and may require choosing the most appropriate, most complete, or best-risk-aligned answer from several plausible options. For Security Planning and Engineering, expect architecture and design scenarios with competing business, security, and operational constraints, with questions that may blend this objective with neighboring exam areas instead of isolating it as a standalone topic.

Preparation tips

When preparing for Security Planning and Engineering, use the official ISC2 exam outline as the checklist, then study enough surrounding context to explain why a control, design, policy, or operational action is appropriate in a specific scenario. Compare several possible designs and explain why one better satisfies security, scalability, cost, maintainability, resilience, and compliance requirements. Spend extra time on applied scenarios, because higher-level questions usually reward judgment, sequencing, and tradeoff analysis.

04

Systems Security Implementation, Verification and Validation

The Systems Security Implementation, Verification and Validation section covers framework concepts, responsibilities, workflows, governance expectations, measurement, stakeholder impacts, and practical application of the guidance in day-to-day professional situations. For Information Systems Security Engineering Professional, this domain is normally tested through professional security judgment: candidates need to connect terminology with risk, architecture, control effectiveness, governance, and operational consequences across realistic enterprise environments.

14% Weight
Question notes

Weight: about 14% of the exam content for this certification. ISC2 questions commonly use scenario-based wording and may require choosing the most appropriate, most complete, or best-risk-aligned answer from several plausible options. For Systems Security Implementation, Verification and Validation, expect framework application, governance, practice, and improvement scenarios, with questions that may blend this objective with neighboring exam areas instead of isolating it as a standalone topic.

Preparation tips

When preparing for Systems Security Implementation, Verification and Validation, use the official ISC2 exam outline as the checklist, then study enough surrounding context to explain why a control, design, policy, or operational action is appropriate in a specific scenario. Study the terminology, purpose, roles, activities, inputs, outputs, decision points, measures, and interfaces with adjacent practices or management disciplines. Spend extra time on applied scenarios, because higher-level questions usually reward judgment, sequencing, and tradeoff analysis.

05

Secure Operations, Change Management and Disposal

The Secure Operations, Change Management and Disposal section covers operational monitoring, event interpretation, reliability practices, service health indicators, automation, escalation paths, improvement loops, and the controls needed to keep services stable and secure. For Information Systems Security Engineering Professional, this domain is normally tested through professional security judgment: candidates need to connect terminology with risk, architecture, control effectiveness, governance, and operational consequences across realistic enterprise environments.

17% Weight
Question notes

Weight: about 17% of the exam content for this certification. ISC2 questions commonly use scenario-based wording and may require choosing the most appropriate, most complete, or best-risk-aligned answer from several plausible options. For Secure Operations, Change Management and Disposal, expect operations, monitoring, reliability, and service-health scenarios, with questions that may blend this objective with neighboring exam areas instead of isolating it as a standalone topic.

Preparation tips

When preparing for Secure Operations, Change Management and Disposal, use the official ISC2 exam outline as the checklist, then study enough surrounding context to explain why a control, design, policy, or operational action is appropriate in a specific scenario. Study how metrics, logs, traces, alerts, runbooks, service targets, and retrospectives connect daily operations with reliability, security, and continual improvement. Spend extra time on applied scenarios, because higher-level questions usually reward judgment, sequencing, and tradeoff analysis.

Study effort

Information Systems Security Engineering Professional Exam Preparation and Difficulty

Candidates should plan for 90 to 180 hours of intensive study. Given the expert difficulty level and requirement for 84 months of relevant experience, success necessitates a deep focus on lifecycle assurance, secure systems engineering, and practical technical application.

Study time

90-180h

Difficulty

Recommended experience

84 months

Practice exam useful
Hands-on lab useful

Exam cost

Information Systems Security Engineering Professional Exam Fees and Costs

Use the structured fee rows for the latest known amount and compare region, tax, voucher, or membership notes before registering.

$599

United States

Standard priceTax may vary

Prerequisites

What to know before starting ISC2 Information Systems Security Engineering Professional (ISSEP)

ISC2 lists two paths: CISSP in good standing plus two years of cumulative full-time experience in ISSEP domains, or seven years cumulative full-time experience in two or more ISSEP domains. The longer alternate path may allow one year to be satisfied by a relevant degree or approved credential.

Career fit

Roles and skills connected to this certification

Explore the roles and skills most directly connected to this certification, then use those paths to compare adjacent credentials.

RoleSecurity Engineer

Security engineers design, implement, and maintain technical security controls to protect an organization's systems, data, and infrastructure from threats.

9 certificationsExplore
RoleSystems Engineer

Designs, integrates, and improves complex technical systems, ensuring they meet infrastructure, service, and operational requirements.

5 certificationsExplore
RoleApplication Security Engineer

Focuses on enhancing software security by integrating secure practices throughout the development lifecycle, including design, testing, and threat analysis.

4 certificationsExplore
RoleSecurity Architect

Designs comprehensive security architectures, control patterns, and enterprise security models to establish robust protection strategies.

5 certificationsExplore
SkillInformation Security

Implementing measures to protect digital assets, systems, networks, and sensitive information from unauthorized access, use, disclosure, disruption, modification, or destruction.

16 certificationsExplore
SkillAccess Control

Managing who can access systems, data, applications, and resources under defined rules, ensuring security and compliance.

8 certificationsExplore
SkillRisk Assessment

Risk Assessment involves evaluating threats, vulnerabilities, and business impact to understand security priorities and inform decision-making.

50 certificationsExplore
SkillCompliance Controls

Implementing and maintaining controls required by policies, standards, or regulated obligations to ensure adherence to compliance requirements.

23 certificationsExplore

Related areas

Related domains and industries

Use these subject and industry paths to understand where this credential fits inside the broader certification index.

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