Comprehensive and Detailed Step-by-Step
A . Customer: Under the shared responsibility model, customers are responsible for securing their code and credentials in cloud environments.
B . Cloud service provider: Responsible for securing the underlying infrastructure, not customer-deployed applications or credentials.
C . Hacker: Exploited the breach but isn't directly responsible for security lapses.
D . Code repository: Doesn't inherently cause the issue unless mismanaged by the customer.
Reference:
CompTIA Cloud+ CV0-004 Study Guide, Objective 4.2: Understand the shared responsibility model in cloud security.