# Application Scenarios

CSBS offers backup protection for ECSs. It supports crash-consistent backup, which enhances data security. CSBS can be used in the following scenarios:

- Hacker attacks and virus infection

  CSBS can restore an ECS to the latest backup point in time when the ECS has not been affected by hacker attacks and viruses.

- Accidental deletion

  CSBS can restore an ECS to the backup point in time prior to accidental deletion.

- Application update errors

  CSBS can restore an ECS to the backup point in time prior to application update.

- System breakdown

  CSBS can restore an ECS to the backup point in time prior to system breakdown.

Parent topic: Service Overview