Information Security Management Examination study materials
Information Security Management Examination study resources

Information Security Management Examination cheat sheet

Information Security Management Examination · Keep the key ideas within reach.

Quick reference

Information Security Governance and Strategy

  • Governance is the set of processes by which the board and executive management set direction, delegate authority, and monitor security performance; management executes within that framework.

  • Governance structures typically include a board or board committee, a steering committee, a CISO or security function owner, and defined reporting lines with escalation paths to executive leadership.

  • Strategy alignment means security objectives are derived from and traceable to business objectives; a security program with no documented linkage to business goals fails the alignment test.

  • Governance effectiveness is measured through maturity models (for example CMMI-style levels 1–5), balanced scorecards, KRIs, and independent assurance reviews rather than through technical metrics alone.

  • Separation of duties applies at governance level: the function that approves risk appetite should not be the same function that accepts residual risk without oversight.

  • The three governance questions are: what must be protected (objectives), who decides (authority and accountability), and how performance is verified (monitoring and assurance).

  • Accountability cannot be delegated away: the board remains accountable for risk appetite, while responsibility for implementation is assigned to named roles.

  • Policy hierarchy flows from governance: board-level policy sets intent, standards set mandatory requirements, procedures set steps, and guidelines are discretionary.

Quick reference

Risk Management

  • Risk = likelihood × impact (qualitative) or annualized loss expectancy (ALE) = single loss expectancy (SLE) × annualized rate of occurrence (ARO) in quantitative analysis.

  • SLE = asset value (AV) × exposure factor (EF); EF is the percentage of asset value lost in a single event.

  • Risk treatment options are exactly four: mitigate (reduce), transfer (share, e.g. insurance or contract), avoid (eliminate the activity), and accept (retain with documented sign-off by the accountable owner).

  • Inherent risk is assessed before controls; residual risk is assessed after controls; the gap between them is the control's risk reduction effect.

  • Risk register minimum fields: identifier, description, cause, affected asset, owner, likelihood, impact, score, treatment, controls, residual score, review date.

  • Risk appetite is the amount of risk the organization is willing to pursue or retain; risk tolerance is the acceptable variation around that appetite.

  • Qualitative scales must be defined with explicit criteria per level (for example likelihood 1 = rare, 5 = almost certain) so that scoring is repeatable across assessors.

  • Risk assessment is iterative: changes in assets, threats, vulnerabilities, or business context trigger reassessment, and treatment effectiveness is monitored over time.

Quick reference

Information Security Policy, Standards, and Procedures

  • Policy states mandatory management intent and 'what' must be achieved; standards define specific measurable requirements; procedures define 'how' and in what sequence; guidelines are recommended, non-mandatory practice.

  • A policy document typically contains purpose, scope, definitions, policy statements, roles and responsibilities, compliance/consequences, related documents, and review/approval history.

  • Policies require documented approval at the appropriate authority level (board, executive, or management) and a defined review cycle, commonly annual or upon significant change.

  • Exceptions to policy must be formally requested, risk-assessed, time-bound, approved by the risk owner, and recorded in an exceptions register with expiry tracking.

  • Effective policy communication requires acknowledgement by covered personnel; acknowledgement records are the evidence used in audits.

  • Policy scope must explicitly state applicability (entities, systems, personnel, third parties) and exclusions, because ambiguous scope is a common audit finding.

  • A standard must be verifiable: it should specify a measurable requirement (for example encryption algorithm and minimum key length) rather than a general aspiration.

  • Document control requires version numbering, owner, classification, approval date, distribution list, and retention consistent with legal and audit needs.

Quick reference

Security Organization and Responsibilities

  • Segregation of duties requires that no single person can both initiate and approve a transaction or control, and no person can both administer and audit the same system.

  • The three-lines model: first line owns and manages risk operationally; second line provides oversight, policy, and risk functions; third line provides independent internal audit assurance.

  • RACI assigns each activity exactly one Accountable, at least one Responsible, plus Consulted and Informed parties; two Accountables for one activity is a defect.

  • The CISO typically owns the security program and advises on risk; the business or asset owner accepts residual risk and funds controls.

  • Third-party relationships require defined security responsibilities in contracts: notification duties, audit rights, subcontractor controls, data return/deletion, and incident cooperation.

  • Security roles must be documented in job descriptions with required competencies, and role changes must trigger access and responsibility review.

  • A security steering committee typically includes business unit leaders, IT, legal, risk, and the CISO, and decides on priorities, funding, and risk escalations.

  • Conflicts of interest must be declared and managed; an individual approving their own access request or exception is an unmanaged conflict.

Quick reference

Asset Management and Classification

  • An asset is anything of value to the organization: information, systems, hardware, software, services, facilities, people, and reputation; each asset needs a named owner.

  • The asset owner is accountable for classification, access decisions, and periodic review; the custodian implements and operates controls on the owner's behalf.

  • Classification schemes are defined by the organization (commonly public, internal, confidential, restricted) and must map to handling rules for storage, transmission, sharing, and destruction.

  • Labeling makes classification visible; handling rules must state concrete controls per level, such as encryption requirements or approved sharing channels.

  • Asset inventory minimum data: unique ID, description, owner, custodian, location, classification, criticality, dependencies, and lifecycle status.

  • Criticality assessment ranks assets by business impact of loss (confidentiality, integrity, availability) and drives prioritization of controls and recovery objectives.

  • Acceptable use rules cover organizational assets and, where lawful and disclosed, personal devices and accounts used for business.

  • Secure disposal requires sanitization proportionate to classification; media containing confidential data must be destroyed or cryptographically erased with records retained.

Quick reference

Human Resource Security and Awareness

  • The employment lifecycle controls are: pre-employment screening, terms and conditions of employment, induction and awareness, ongoing training, disciplinary process, and termination or change of role.

  • Screening must be lawful, proportionate to the role's sensitivity, and documented, including verification of qualifications and references where permitted.

  • Access removal at termination is a time-bound control; privileged and remote access should be revoked immediately, and asset return must be recorded.

  • Awareness aims to change behavior, training transfers knowledge, and education builds deeper competence; measure awareness with simulated phishing rates and completion data, not attendance alone.

  • Role-based awareness means higher-risk roles (privileged users, finance, executives) receive additional targeted training.

  • A non-retaliation reporting channel and a documented disciplinary process are prerequisites for effective security culture and incident reporting.

  • Confidentiality and non-disclosure obligations must survive termination and be reaffirmed at exit.

  • Awareness content must be refreshed on a defined cycle and after significant incidents, policy changes, or new hire onboarding.

Quick reference

Physical and Environmental Security

  • Layered physical defense: perimeter, building, secure area, and asset-level controls; each layer should assume the previous layer has failed.

  • Access to secure areas requires authorization, recorded entry, visitor escort and logging, and periodic review of physical access rights.

  • Environmental controls include temperature and humidity monitoring, water detection, fire suppression appropriate to equipment (commonly clean-agent or inert gas for data centers, not water), and smoke detection.

  • Power protection follows a hierarchy: surge protection, uninterruptible power supply for ride-through, and generator for extended outages; test under load on a defined schedule.

  • Cabling carrying confidential data should be protected from interception, interference, and damage, with labeled and documented pathways.

  • Clear desk and clear screen rules reduce exposure of information to unauthorized on-site persons; enforcement is verified by walkthroughs.

  • Equipment siting avoids hazards such as flood-prone areas, and equipment must be protected against unauthorized removal with asset tagging and exit controls.

  • Off-site asset protection requires the same classification-based controls as on-site, including secure transport and storage.

Quick reference

Access Control and Identity Management

  • Principles: least privilege, need-to-know, separation of duties, and deny-by-default; access is granted to roles, not to individuals where role-based access control is used.

  • Authentication factors are knowledge, possession, and inherence; multi-factor authentication requires factors from different categories.

  • Authorization models include discretionary (owner decides), mandatory (system labels and clearances), and role-based (permissions tied to job roles).

  • The joiner-mover-leaver process must create, adjust, and revoke access; access reviews (recertification) confirm that entitlements remain justified.

  • Privileged access management covers shared-account elimination, just-in-time elevation, session recording, credential vaulting, and periodic privileged entitlement review.

  • Identity lifecycle requires unique user IDs, no shared accounts for accountability, timely disabling of dormant accounts, and documented approval for access requests.

  • Password and credential policy should align with current guidance: length over forced complexity, screening against breached-password lists, and rate limiting or lockout against guessing.

  • Physical and logical access should be consistent: a person with data center access but no system access, or vice versa, is an anomaly worth reviewing.

Quick reference

Incident Management and Business Continuity

  • Incident response phases: preparation, detection and analysis, containment, eradication, recovery, and post-incident lessons learned.

  • Incident vs event: an event is any observable occurrence; an incident is an event that actually or potentially harms confidentiality, integrity, or availability.

  • Business impact analysis identifies critical processes, dependencies, and maximum tolerable downtime, and sets recovery time objective (RTO) and recovery point objective (RPO).

  • RTO is the target time to restore a process; RPO is the maximum acceptable data loss measured in time; maximum tolerable downtime is the business limit that RTO must not exceed.

  • Continuity strategies include redundancy, failover, alternate sites (hot, warm, cold), manual workarounds, and backup restoration tested at intervals.

  • Evidence handling requires documented chain of custody, forensic imaging where feasible, and preservation before remediation actions destroy data.

  • Incident severity classification drives escalation, notification timelines, and whether legal, regulatory, or customer notification is triggered.

  • Plans are validated by exercises: tabletop, simulation, and full failover tests; results must feed corrective actions with owners and dates.

Quick reference

Compliance, Audit, and Legal/Regulatory Requirements

  • Compliance obligations arise from law, regulation, contract, and internal policy; each obligation should be mapped to a control and an owner in a compliance register.

  • Audit types include first-party (internal), second-party (customer or partner), and third-party (independent); each produces findings rated by severity with remediation deadlines.

  • Audit evidence must be sufficient, relevant, and reliable; system-generated logs and signed records are stronger than verbal assertions.

  • Key data protection concepts: lawful basis for processing, purpose limitation, data minimization, accuracy, storage limitation, integrity and confidentiality, and accountability.

  • Data subject rights commonly include access, correction, deletion, restriction, portability, and objection; response timelines are set by applicable law.

  • Cross-border transfer restrictions require a documented transfer mechanism and assessment of the destination's protection level.

  • Records retention schedules must reflect legal minimums and maximums; litigation holds override normal deletion schedules.

  • Noncompliance consequences include contractual breach, regulatory fines, sanctions, reputational loss, and personal liability for officers in some jurisdictions.