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Isaca Exam CISM Topic 3 Question 94 Discussion
Topic #: 3
Which type of backup BEST enables an organization to recover data after a ransomware attack?
Comprehensive and Detailed Step-by-Step Explanation:
Recovering from ransomware requires backups that are unaffected by the ransomware attack. Here's why offline backups are most effective:
A . Online backup: These are connected to the network and may also be compromised during an attack.
B . Incremental backup: While efficient, incremental backups rely on previous backups and are typically stored online, making them vulnerable to ransomware.
C . Differential backup: Similar to incremental backups, these are not immune if stored online or on compromised systems.
D . Offline backup: This is the BEST choice as offline backups are stored in a location that is not connected to the network, preventing ransomware from encrypting them.
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