Fundamentals of Information Security Management

Last updated: 2025-01-13

Information Security Management: SMBs Perspective

Information Security Management (ISM) involves implementing policies and controls to protect an organization's informational assets from threats and vulnerabilities. Here’s a summary from a company perspective:

Essential Parts of Information Security Management

  • Confidentiality: Ensuring that sensitive information is accessible only to authorized individuals.
  • Integrity: Maintaining the accuracy and completeness of data, preventing unauthorized alterations.
  • Availability: Ensuring that information and resources are available to authorized users when needed.

Key Components of Information Security Management

Risk Management:

  • Risk Assessment: Identifying and evaluating risks to information assets.
  • Risk Mitigation: Implementing measures to reduce or eliminate risks.

Policies and Procedures:

  • Security Policies: Establishing guidelines for protecting information.
  • Procedural Controls: Implementing specific actions to enforce policies.

Information Security Management System (ISMS):

A formal, documented process for managing information security, often aligned with standards like ISO/IEC 270011.

Incident Management:

  • Detection and Response: Identifying and responding to security incidents promptly.
  • Recovery: Restoring normal operations after an incident.

Who Must Be Involved in Information Security Management

Executive Leadership:

  • Chief Information Security Officer (CISO): Oversees the entire information security program.
  • Chief Technology Officer (CTO): Ensures that security measures align with technological advancements.

IT department, IT professionals and Security Teams:

  • Security Analysts: Monitor and analyze security threats.
  • IT Operators: Implement and maintain security controls

HR department, HR professionals

  • Close collaboration with IT
  • Screening applicants and new employees
  • Onboarding an employee and assigning permissions, access management as part 
  • Employee departure and withdrawal of authorization

Office and Facility managers

  • Office managers are usually responsible for access to rooms, keys, access cards and the like

Employees:

  • Training and Awareness: All employees must be trained on security policies and practices to prevent human errors and insider threats1.

Stakeholders:

  • Compliance Officers: Ensure that security measures comply with legal and regulatory requirements.
  • Third-Party Vendors: Must adhere to the company's security standards to protect shared information.