Question 439 of 1,013
Data Classification Levels: Public, Internal, Confidential, Restricted
An HR spreadsheet contains employee names, Social Security numbers, and bank account numbers. Which label is most appropriate under a Public, Internal, Confidential, and Restricted scheme?
Quick Answer
The answer is Restricted, because the spreadsheet contains Social Security numbers and bank account details, which are highly sensitive personal and financial data. Under a data classification levels scheme of Public, Internal, Confidential, and Restricted, the Restricted label is reserved for information whose unauthorized disclosure could cause severe legal, regulatory, or reputational harm, such as personally identifiable information (PII) protected under GDPR or GLBA. This question tests your ability to map real-world data sensitivity to a classification framework, a common scenario on the Security+ SY0-701 exam where you must distinguish between Confidential (moderate sensitivity, e.g., internal policies) and Restricted (highest sensitivity, requiring encryption at rest and strict least-privilege access). A common trap is choosing Confidential because the data is internal, but remember: any data that triggers breach notification laws or includes financial account numbers automatically escalates to Restricted. Memory tip: think “R” for Restricted = “Really sensitive” data that requires the highest controls.
⚠ Common exam trap
Many candidates confuse 'Confidential' with 'Restricted' because both imply privacy, but 'Restricted' is the correct label for data that requires the highest level of control, such as PII and financial account numbers, whereas 'Confidential' is often used for less sensitive internal data like salary ranges or performance reviews.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Restricted, because it contains highly sensitive personal and financial data.
A spreadsheet containing employee names, Social Security numbers, and bank account numbers includes personally identifiable information (PII) and financial account data, which are subject to strict regulatory controls (e.g., GDPR, GLBA, or state breach notification laws). Under a Public/Internal/Confidential/Restricted classification scheme, 'Restricted' is the most appropriate label because it indicates the highest level of sensitivity and requires access control mechanisms such as encryption at rest (e.g., AES-256), strict least-privilege permissions, and audit logging to prevent unauthorized disclosure or modification.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Public, because it is used by the HR department and not shared externally.
Why it's wrong here
Public information can be shared widely, which is not appropriate for highly sensitive employee data.
- ✗
Internal, because only employees should see it.
Why it's wrong here
Internal is too permissive for data that could cause serious harm if exposed.
- ✗
Confidential, because the information should be kept private but not tightly controlled.
Why it's wrong here
Confidential is better than internal, but the presence of SSNs and bank details usually requires stricter handling.
- ✓
Restricted, because it contains highly sensitive personal and financial data.
Why this is correct
This is correct because Social Security numbers and bank account numbers are highly sensitive identifiers and financial data. Restricted labels are used for information that needs the strongest handling controls, limited access, and careful sharing rules. If exposed, this data could cause identity theft, fraud, and regulatory issues, so the strictest label is appropriate.
Quick reference
Symmetric Encryption Algorithm Comparison
| Algorithm | Key Size | Block Size | Status | Notes |
|---|---|---|---|---|
| AES-128 | 128-bit | 128-bit | Current standard | NIST approved; WPA3, TLS |
| AES-256 | 256-bit | 128-bit | Current standard | Preferred for sensitive / govt data |
| 3DES | 112-bit effective | 64-bit | Deprecated (2023) | Replaced by AES |
| DES | 56-bit | 64-bit | Broken | Cracked in < 24 h; never deploy |
| ChaCha20 | 256-bit | Stream cipher | Current | TLS 1.3, WireGuard |
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Same concept, more angles
2 more ways this is tested on SY0-701
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. Based on the exhibit, what should the security team recommend before sharing the report?
easy- A.Share the report exactly as requested, because the vendor signed a nondisclosure agreement.
- ✓ B.Remove unnecessary personal fields and share only the minimum data needed for the analysis.
- C.Keep all fields and encrypt the file before sending it to the vendor.
- D.Store the report in a shared folder so the vendor can access it later if needed.
Why B: The principle of data minimization requires that only the minimum necessary data be shared to fulfill the analysis purpose. Removing unnecessary personal fields reduces the risk of exposing PII and aligns with privacy regulations such as GDPR and HIPAA, even when a nondisclosure agreement (NDA) is in place.
Variation 2. Based on the exhibit, what is the best handling decision for the requested file?
hard- A.Share the full file by email as Confidential because only the last four digits of the SSN are included.
- B.Label it Public because the contractor needs the information to troubleshoot effectively.
- C.Mark it Internal and place it on the shared project drive for easy access.
- ✓ D.Treat it as Restricted, redact unnecessary fields, and provide only the minimum approved dataset through a logged encrypted transfer.
Why D: The file contains personally identifiable information (PII) in the form of a Social Security Number (SSN), which requires handling under a Restricted classification per most data governance frameworks. The correct procedure is to redact unnecessary fields, such as the full SSN, and transmit only the minimum approved dataset via a logged encrypted transfer (e.g., using SFTP or HTTPS with TLS 1.2+) to ensure confidentiality, integrity, and auditability. This aligns with the principle of least privilege and data minimization, which are core to security program management.
Last reviewed: Jun 11, 2026
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