Domain 1: Access Controls
1.1 Implement and maintain authentication methods
» Single/multifactor authentication
» Single sign-on
» Device authentication
» Federated access
1.2 Support internetwork trust architectures
» Trust relationships (e.g., 1-way, 2-way, transitive)
» Extranet
» Third party connections
1.3 Participate in the identity management lifecycle
» Authorization
» Proofing
» Provisioning/de-provisioning
» Maintenance
» Entitlement
» Identity and Access Management (IAM) systems
1.4 Implement access controls
» Mandatory
» Non-discretionary
» Discretionary
» Role-based
» Attribute-based
» Subject-based
» Object-based

Domain 2: Security Operations and Administration
2.1 Comply with codes of ethics
» (ISC)² Code of Ethics
» Organizational code of ethics
2.2 Understand security concepts
2.3 Document, implement, and maintain functional security controls
» Deterrent controls
» Preventative controls
» Detective controls
» Corrective controls
» Compensating controls
2.4 Participate in asset management
» Lifecycle (hardware, software, and data)
» Hardware inventory
» Software inventory and licensing
» Data storage
2.5 Implement security controls and assess compliance
» Technical controls (e.g., session timeout, password aging)
» Physical controls (e.g., mantrap, cameras, locks)
» Administrative controls (e.g., security policies and standards, procedures, baselines)
» Periodic audit and review
2.6 Participate in change management
» Execute change management process
» Identify security impact
» Testing /implementing patches, fixes, and updates (e.g., operating system, applications, SDLC)
2.7 Participate in security awareness and training
2.8 Participate in physical security operations (e.g., data center assessment, badging)

Domain 3: Risk Identification, Monitoring,
and Analysis
3.1 Understand the risk management process
» Risk visibility and reporting (e.g., risk register, sharing threat intelligence, Common Vulnerability Scoring
System (CVSS))
» Risk management concepts (e.g., impact assessments, threat modelling, Business Impact Analysis (BIA))
» Risk management frameworks (e.g., ISO, NIST)
» Risk treatment (e.g., accept, transfer, mitigate, avoid, recast)
3.2 Perform security assessment activities
» Participate in security testing
» Interpretation and reporting of scanning and testing results
» Remediation validation
» Audit finding remediation
3.3 Operate and maintain monitoring systems (e.g., continuous monitoring)
» Events of interest (e.g., anomalies, intrusions, unauthorized changes, compliance monitoring)
» Logging
» Source systems
» Legal and regulatory concerns (e.g., jurisdiction, limitations, privacy)
3.4 Analyze monitoring results
» Security baselines and anomalies
» Visualizations, metrics, and trends (e.g., dashboards, timelines)
» Event data analysis
» Document and communicate findings (e.g., escalation)

Domain 4: Incident Response and Recovery
4.1 Support incident lifecycle
» Preparation
» Detection, analysis, and escalation
» Containment
» Eradication
» Recovery
» Lessons learned/implementation of new countermeasure
4.2 Understand and support forensic investigations
» Legal and ethical principles
» Evidence handling (e.g., first responder, triage, chain of custody, preservation of scene)
4.3 Understand and support Business Continuity Plan (BCP) and Disaster Recovery Plan (DRP)
» Emergency response plans and procedures (e.g., information system contingency plan)
» Interim or alternate processing strategies
» Restoration planning
» Backup and redundancy implementation
» Testing and drills

Domain 5: Cryptography
5.1 Understand fundamental concepts of cryptography
» Hashing
» Salting
» Symmetric/asymmetric encryption/Elliptic Curve
Cryptography (ECC)
» Non-repudiation (e.g., digital signatures/
certificates, HMAC, audit trail)
» Encryption algorithms (e.g., AES, RSA)
» Key strength (e.g., 256, 512, 1024, 2048 bit
» Cryptographic attacks, cryptanalysis, and countermeasures
5.2 Understand reasons and requirements for cryptography
» Confidentiality
» Integrity and authenticity
» Data sensitivity (e.g., PII, intellectual property, PHI)
» Regulatory
5.3 Understand and support secure protocols
» Services and protocols (e.g., IPSec, TLS, S/MIME, DKIM)
» Common use cases
» Limitations and vulnerabilities
5.4 Understand Public Key Infrastructure (PKI) systems
» Fundamental key management concepts (e.g., key rotation, key composition, key creation, exchange,
revocation, escrow)
» Web of Trust (WOT) (e.g., PGP, GPG)

Domain 6: Network and Communications Security
6.1 Understand and apply fundamental concepts of networking
» OSI and TCP/IP models
» Network topographies (e.g., ring, star, bus,
mesh, tree)
» Network relationships (e.g., peer to peer, client
» Transmission media types (e.g., fiber, wired,
» Commonly used ports and protocols
6.2 Understand network attacks and countermeasures (e.g., DDoS, man-in-the-middle, DNS
6.3 Manage network access controls
» Network access control and monitoring (e.g., remediation, quarantine, admission)
» Network access control standards and protocols (e.g., IEEE 802.1X, Radius, TACACS)
» Remote access operation and configuration (e.g., thin client, SSL VPN, IPSec VPN, telework)
6.4 Manage network security
» Logical and physical placement of network devices (e.g., inline, passive)
» Segmentation (e.g., physical/logical, data/control plane, VLAN, ACLs)
» Secure device management
6.5 Operate and configure network-based security devices
» Firewalls and proxies (e.g., filtering methods)
» Network intrusion detection/prevention systems
» Routers and switches
» Traffic-shaping devices (e.g., WAN optimization, load balancing)
6.6 Operate and configure wireless technologies (e.g., Bluetooth, NFC, WiFi)
» Transmission security
» Wireless security devices (e.g.,WIPS, WIDS)

Domain 7: Systems and Application Security
7.1 Identify and analyze malicious code and activity
» Malware (e.g., rootkits, spyware, scareware, ransomware, trojans, virus, worms, trapdoors, backdoors, and
remote access trojans)
» Malicious code countermeasures (e.g., scanners, anti-malware, code signing, sandboxing)
» Malicious activity (e.g., insider threat, data theft, DDoS, botnet)
» Malicious activity countermeasures (e.g., user awareness, system hardening, patching, sandboxing, isolation)
7.2 Implement and operate endpoint device security
» Host-based firewalls
» Application white listing
» Endpoint encryption
» Trusted Platform Module (TPM)
» Mobile Device Management (MDM) (e.g.,
» Secure browsing (e.g., sandbox)
7.3 Operate and configure cloud security
» Deployment models (e.g., public, private,
hybrid, community)
» Service models (e.g., IaaS, PaaS and SaaS)
» Virtualization (e.g., hypervisor)
» Legal and regulatory concerns (e.g., privacy,
surveillance, data ownership, jurisdiction,
» Data storage and transmission (e.g., archiving,
recovery, resilience)
» Third-party/outsourcing requirements (e.g.,
SLA, data portability, data destruction, auditing)
» Shared responsibility model
7.4 Operate and secure virtual environments
» Software-defined networking
» Hypervisor
» Virtual appliances
» Continuity and resilience
» Attacks and countermeasures
» Shared storage

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