ISO 27001 A.5.2: Information security roles and responsibilities

Map out every information security function in your organisation. Work out who currently does what and where the gaps are. A RACI matrix (Responsible, Accountable, Consulted, Informed) for key security processes is the most efficient way to do this. Define the key roles: CISO or equivalent, Information Security Manager, risk owners, asset owners, data owners, system administrators with security duties, incident response team members, and security awareness coordinators. For each role, write down the specific responsibilities, authority level, and reporting lines. Build security responsibilities into existing job descriptions and contracts. When someone changes roles or leaves, formally transfer their security responsibilities - do not let them just evaporate. Create role-specific procedure documents covering daily, weekly, monthly, and annual tasks. Set up a governance structure with a security steering committee that includes representatives from key business areas. Document its terms of reference, membership, and meeting frequency. This committee oversees the ISMS and makes strategic security decisions. Review role assignments regularly, especially after organisational changes. Make sure everyone understands their responsibilities through training and awareness programmes. Keep records of all assignments and changes.