What is a key security concern when using public cloud services?

Question

Options

• ALow scalability
• BShared responsibility model
• CData visibility and control
• DLimited resource availability

• A
  4% (2)
• B
  2% (1)
• C
  91% (43)
• D
  2% (1)

Explanation

Data visibility and control (C) is the key security concern because in public cloud environments, your data resides on infrastructure you don't own or fully control - third parties manage physical hardware, hypervisors, and potentially have access to your data depending on jurisdiction and contract terms. Organizations must trust the provider's access controls, encryption practices, and compliance posture, which represents a genuine loss of visibility compared to on-premises systems.

Why the distractors are wrong:

• A (Low scalability) - the opposite is true; scalability is one of the primary benefits of public cloud.
• B (Shared responsibility model) - this is real and important, but it's a framework for dividing security duties, not a concern in itself. It's a mitigation concept, not a threat.
• D (Limited resource availability) - public cloud providers offer vast, elastic resources on demand; scarcity is not a characteristic concern.

Memory tip: Think of the phrase "your data, their house" - when you move to public cloud, you lose the keys to the building, which directly maps to data visibility and control being the core security anxiety.

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