Assessing Corporate Cybersecurityintermediate
Explain how endpoint security, application security, and data security differ, and describe why an organization may need all three.
Answer
Endpoint security protects devices that connect to networks or systems. Application security embeds controls in software running on networks, enclaves, or endpoint devices. Data security protects enterprise information at rest, in motion, or in use. The organization may need all three because devices, software, and information are distinct protection targets, and a weakness in one area may expose another.
Explanation
### What a good answer covers
- Endpoint security protects the device itself, such as a laptop or mobile phone.
- Application security places protection mechanisms within software, including business and mobile applications.
- Data security protects information across storage, transfer, and use.
- These protections address different targets, so one layer does not substitute for the others.
### The concept
A device can be protected while an application on it remains weak, and a secure application can still handle data that needs additional protection. Architecture layers are complementary. For example, an organization may protect a laptop, secure the business application it runs, and apply controls to the records that application processes.
### Terms
- **Application security**: protections built into or applied to software.
- **Data at rest**: stored data.
- **Data in motion**: data being transferred.
### Remember
Ask what is being protected: the device, the software, or the information.
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