Glossary

Key terms used throughout OSA.

Actor
A prototypical business role. OSA patterns visualize responsibility sets assignable to roles in given setups.
Source: OSA
Architecture
A set of design artifacts describing components, relationships, and principles governing design and evolution over time.
Source: OSA
Security
IT system's ability to protect confidentiality and integrity of processed data, provide availability, and accountability for transactions.
Source: OSA
Security Architecture
Design artifacts describing how security controls are positioned and relate to overall IT architecture.
Source: OSA
Security Control
A technical countermeasure, organizational setup or process maintaining IT system security properties.
Source: OSA
Security Incident
A violation or imminent threat of violation of computer security policies or acceptable use policies.
Source: NIST
Issue
The gap between desired state and current state when an authority demands closure of that gap.
Source: OSA
Security Event
A notable occurrence at a particular point in time, typically scanned for patterns indicating security violations.
Source: Wikipedia