10 - Incident Management Flashcards
What is an incident?
Any event that violates an org’s security policies.
May disrupt normal operations
Cycle of diaster planning/recovery (3 things)
- Planning
- Disaster
- Recovery
Planning process
RCIDP
- Risk assessment
- Conduct aq business impact analysis
- Identify preventative controls
- Develop IT recovery and reconsitution strategy
- plann testing, training, maintenance and exercises
Business Impact Analysis
Determines the impact in the event that key processes are not available
Built on worst case scenarios: what assets needed to recover?
Identify recovery time (maximum down time)
3 steps of BIA
Assess and analyse
Report
Develop Policies
Business COntinuity Plan
Creates a plan to continue business after disaster
Recovery time objective
How quickly business process should be recovered, based on business tolerance to loss.
Recovery Point Objective
Defines the maximum acceptable level of data loss
Incident response plan helps to do what
helps to identify the security event and bring it to closure
Disaster Recovery Plan
How an org manages a catastrophic event, such as a natural disaster or accidental data loss
GDPR requires a backup and disaster recovery plan. What is the maximum time for informing authorities of a breach?
72 hours
SANS Institute’s 6 steps of incident response
PICERL
- Preparation
- Identification
- Containment
- Eradication
- Recovery
- Lessons Learned
Incident Response reactive and/or proactive?
reactive (handling incidents as they occur) but also proactive (prepare/prevent)
Backup considerations
- Frequency
- Location
- Medium
- Vaulting
- Mirroring
- What to backup
Redundant/Mirrored
Mirror of original
Fully available
Real time info mirroring
Drawbacks:
Expensive