Free Certified Information Systems Security Professional (CISSP) Study Guide 2026 - Syllabus, Domain Weightage & Study Plan
📋 2026 Edition  ·  Updated August 2026

Certified Information Systems Security Professional (CISSP)
cissp Study Guide - Pass First Attempt

Complete exam coverage for the Certified Information Systems Security Professional (CISSP). Every domain, every key topic - structured so you study smart, not hard. Built around the official exam blueprint.

125
Questions
240 min
Duration
700
Passing score
8
Domains
Unlock Practice Test → Take Readiness Diagnostic
92%
First-attempt pass rate
47K+
Candidates prepared
4.9★
Average rating
"Passed my Certified Information Systems Security Professional (CISSP) exam on the first try after just 6 weeks of studying with Edureify AI. The domain-level analysis showed me exactly what I was missing."
- Verified Edureify User
Your readiness score - take the free diagnostic to unlock your personalised analysis
-%
Overall readiness (locked)
Security and Risk Management
-
Asset Security
-
Security Architecture and Engineering
-
Communication and Network Security
-
Identity and Access Management (IAM)
-
Security Assessment and Testing
-
Security Operations
-
Software Development Security
-
Run 10-Minute Free Diagnostic →
Exam at a Glance

Everything you need to know before you start

Key facts about the Certified Information Systems Security Professional (CISSP) exam structure, format, and scoring.

🆔
cissp
Exam code
📝
125 questions
Total questions
⏱
240 minutes
Duration
🎯
700
Passing score
📋
8 domains
Exam domains
📅
Valid 3 years
Certification validity
🌐
Online / In-person
Testing mode
🏆
Globally recognised
Credential type
ℹ️
Scoring method: The CISSP CAT exam scores candidates on a scale of 0–1000. A minimum score of 700 is required to pass. The exam uses adaptive testing — it ends when the system determines with 95% confidence whether the candidate passes or fails, between 125 and 175 questions.. The exam may include unscored pilot questions - treat every question seriously.
Focus Areas

What should you study for the Certified Information Systems Security Professional (CISSP) exam?

To pass the Certified Information Systems Security Professional (CISSP) certification exam, you should focus on these core domains. The exam tests your ability to apply concepts in real-world scenarios - not just memorise definitions.

⚠️
Common mistake: Candidates memorise terminology but struggle with scenario-based questions. Focus on when to use what, not just what exists.
🔐
Security and Risk Management (16%)
Covers security principles, risk management concepts, compliance, professional ethics, and security policies.
🏗
Asset Security (10%)
Covers the classification, ownership, protection, and retention of data and information assets.
⚡
Security Architecture and Engineering (13%)
Covers security models, design principles, cryptography, and physical security.
💰
Communication and Network Security (13%)
Covers network architectures, protocols, secure communications, and network attacks and defenses.
🔄
Identity and Access Management (IAM) (13%)
Covers identity management, authentication, authorization, and access control models.
📊
Security Assessment and Testing (12%)
Covers security control testing, vulnerability assessments, penetration testing, and audit reporting.
🌐
Security Operations (13%)
Covers incident management, disaster recovery, business continuity, and security monitoring.
🛡
Software Development Security (10%)
Covers secure software development lifecycle, application security, and code review practices.
Full Syllabus

Certified Information Systems Security Professional (CISSP) Exam Syllabus and Topics

The Certified Information Systems Security Professional (CISSP) exam is divided into 8 domains. Each domain tests specific skills and contributes to your overall score. Click any domain to expand topics.

Security and Risk Management
Covers security principles, risk management concepts, compliance, professional ethics, and security policies.
16% ▼
Security Governance
Security Policies
Standards and Procedures
Due Care and Due Diligence
Security Frameworks
Risk Management
Risk Identification
Risk Assessment
Risk Response
Quantitative vs Qualitative Analysis
Legal and Regulatory Compliance
Data Privacy Laws (GDPR, CCPA)
Intellectual Property
Import/Export Controls
Cybercrimes
Professional Ethics
ISC2 Code of Ethics
Organizational Ethics
Whistleblowing
Ethical Decision Making
~20 questions
16 marks
16% of exam weight
Asset Security
Covers the classification, ownership, protection, and retention of data and information assets.
10% ▼
Data Classification
Classification Levels
Data Ownership
Data Stewardship
Privacy Protection
Classification and Handling of AI-Specific Assets (training datasets, pre-trained models, model weights)
Data Retention and Destruction
Retention Policies
Secure Disposal
Data Remanence
Asset Inventory
~13 questions
10 marks
10% of exam weight
Security Architecture and Engineering
Covers security models, design principles, cryptography, and physical security.
13% ▼
Security Design Principles
Defense in Depth
Least Privilege
Separation of Duties
Zero Trust
Security Models
Bell-LaPadula
Biba Model
Clark-Wilson
Brewer-Nash (Chinese Wall)
Cryptographic Concepts
Symmetric Encryption
Asymmetric Encryption
Hashing
PKI and Digital Certificates
Applied Cryptography
TLS/SSL
IPSec
Key Management
Steganography
~16 questions
13 marks
13% of exam weight
Communication and Network Security
Covers network architectures, protocols, secure communications, and network attacks and defenses.
13% ▼
Network Models and Protocols
OSI Model
TCP/IP Stack
DNS
HTTPS/TLS
IPv4/IPv6
Secure Network Design
Firewalls
VPNs
Network Segmentation
DMZ
SD-WAN
Network Threats
DDoS
Man-in-the-Middle
Sniffing and Spoofing
DNS Poisoning
~16 questions
13 marks
13% of exam weight
Identity and Access Management (IAM)
Covers identity management, authentication, authorization, and access control models.
13% ▼
Authentication Mechanisms
MFA
Biometrics
Password Policies
SSO and Federation
Access Control Models
DAC
MAC
RBAC
ABAC
Zero Trust Access
Provisioning and De-provisioning
User Provisioning
Privileged Access Management
Account Reviews
Identity Governance
~16 questions
13 marks
13% of exam weight
Security Assessment and Testing
Covers security control testing, vulnerability assessments, penetration testing, and audit reporting.
12% ▼
Security Testing Techniques
Vulnerability Scanning
Penetration Testing
Red Team/Blue Team
Security Audits
Security Assessment Reporting
Audit Reports
Test Results Analysis
Remediation Planning
Management Review
~15 questions
12 marks
12% of exam weight
Security Operations
Covers incident management, disaster recovery, business continuity, and security monitoring.
13% ▼
Incident Management
Incident Detection
Incident Response Plan
Forensics
Chain of Custody
Business Continuity and Disaster Recovery
BCP Development
DRP
RTO and RPO
Backup Strategies
Security Operations Center (SOC)
SIEM
Log Management
Threat Intelligence
Patch Management
~16 questions
13 marks
13% of exam weight
Software Development Security
Covers secure software development lifecycle, application security, and code review practices.
10% ▼
SDLC Security
Security Requirements
Threat Modeling
Secure Coding Practices
DevSecOps
Application Security
OWASP Top 10
Code Review
Static/Dynamic Analysis
Web Application Firewalls
~13 questions
10 marks
10% of exam weight
🔥 1,247 professionals tested in the last 24 hours

Know if you'll pass Certified Information Systems Security Professional (CISSP) before exam day

Take our 10-minute diagnostic and get a personalised report showing your exact readiness, weak domains, and how many days you need to be ready.

Start Free Diagnostic →
100% Free No credit card Results in 10 minutes
Study Plan

Certified Information Systems Security Professional (CISSP) Structured Study Roadmap

Designed for candidates studying 1-2 hours per day. Select your timeline below.

Get My Study Plan →
Exam Strategy

Tips to pass Certified Information Systems Security Professional (CISSP) on your first attempt

Tactical advice beyond content knowledge - what separates candidates who pass from those who retake.

🗓
Think like a manager and risk advisor — the CISSP tests decision-making, not just technical knowledge.
🔍
When two answers seem correct, choose the one that addresses risk from the highest organizational level.
⏭
Understand all eight domains equally — no single domain can be skipped.
📊
Use memory aids and mnemonics for cryptographic algorithms, access control models, and network protocols.
Recommended Resources

Official and trusted study materials

Curated resources ranked by usefulness. Quality over quantity - focus on a small set of authoritative sources.

Official
Official Exam Guide
The authoritative blueprint. Know every objective before studying anything else.
→ Vendor website
Practice Tests
Certified Information Systems Security Professional (CISSP) Practice Test
Full-length Certified Information Systems Security Professional (CISSP) simulations with detailed per-domain analysis and explanations.
→ Start free practice test
Mock Exam
Certified Information Systems Security Professional (CISSP) Mock Exam
Timed, full-length Certified Information Systems Security Professional (CISSP) mock exam that mirrors the real test format and pacing.
→ Take free mock exam
Training
Certified Information Systems Security Professional (CISSP) Certification Training
Get instant explanations for any Certified Information Systems Security Professional (CISSP) concept, 24/7 domain-level weak-area coaching, and adaptive practice - no waiting for a session.
→ Certified Information Systems Security Professional (CISSP) certification online training
AI Tutor
Certified Information Systems Security Professional (CISSP) AI Tutor
Get instant explanations for any Certified Information Systems Security Professional (CISSP) concept, 24/7 domain-level weak-area coaching, and adaptive practice - no waiting for a session.
→ Try Certified Information Systems Security Professional (CISSP) AI tutor
Reference
Certified Information Systems Security Professional (CISSP) Cheat Sheet
One-page summaries for each Certified Information Systems Security Professional (CISSP) domain - ideal for last-week revision.
→ Get free cheat sheet
Diagnostic
Certified Information Systems Security Professional (CISSP) Readiness Test
10-minute diagnostic that scores your readiness against the 700 pass threshold, domain by domain.
→ Check my readiness
Community
Study Groups & Forums
Reddit r/certifications and exam-specific Discord servers for peer support and tips.
→ Reddit / Discord
⚠️
Avoid brain dumps. Sites selling "real exam questions" violate most vendor NDAs and are legally risky. Questions rotate regularly - brain dumps lead to overconfidence on outdated material and a higher retake rate.
Reviews

What candidates say after passing

★★★★★
"Passed Certified Information Systems Security Professional (CISSP) on my first attempt after 5 weeks. The domain-level diagnostic showed me exactly where my gaps were - I stopped wasting time on topics I already knew."
Rahul S.
Solutions Architect, Bangalore
★★★★★
"The structured study plan kept me on track. I tried studying on my own for 3 months and failed. With Edureify's roadmap I passed in 6 weeks."
Priya M.
Cloud Engineer, Mumbai
★★★★★
"The AI mentor was like having a personal tutor available at 2am. Every concept I didn't understand was explained until I got it. Invaluable for the Security and Risk Management domain."
David K.
DevOps Engineer, London
FAQ

Frequently asked questions about Certified Information Systems Security Professional (CISSP)

Ready to pass Certified Information Systems Security Professional (CISSP) on your first attempt?

Get your personalised study plan in 10 minutes - free, no credit card required.

Start My Free Diagnostic →
95% first-attempt pass rate 47,000+ candidates 4.9★ rating No credit card needed