Disaster Recovery (DR)
Key Takeaways
Subdomain 2.2 names Disaster Recovery (DR) alongside Business Continuity (BC).
Disaster recovery restores technology after a disruption.
DR is one part of business continuity, so the two plans must agree.
Source: ISC2 CC Exam Outline effective September 1, 2026, subdomain 2.2, checked 2026-10-22.
What DR Covers
Subdomain 2.2 names Disaster Recovery (DR). Disaster recovery is the effort to restore technology and its services after a major disruption. It is the technical side of the wider continuity effort.
Source: ISC2 CC Exam Outline effective September 1, 2026 (v01/2026), subdomain 2.2, https://www.isc2.org/certifications/cc/cc-certification-exam-outline, checked 2026-10-22.
DR and Business Continuity Together
A scenario about restoring a failed system is a DR question. A scenario about which business functions must keep running is a BC question. When both appear, answer the part that the scenario asks about and check that the DR action supports the continuity goal.
What the Outline Lists for This Section
The outline names these items. Be able to explain each one in plain language and apply it to a short scenario:
- 2.2: Business Continuity (BC)
- 2.2: Disaster Recovery (DR)
Common Traps
A common trap is treating business continuity and disaster recovery as the same plan. Continuity keeps the business running; disaster recovery restores technology. Match the answer to the part the scenario describes.
Which activity is most directly a disaster recovery activity under subdomain 2.2?
Restoring a failed system after a disruption
Writing a new password policy that sets length and rotation rules for all user accounts
Reviewing an access list to confirm that each account still needs the access it holds
Running a phishing awareness campaign to test whether staff report suspicious messages
Keep a recovery answer tied to restoring technology after a disruption. A recovery action should be checked against the business continuity goal that it supports.
Sections you finish are checked off in the contents.