- A
The device cannot receive iOS updates.
Why wrong: While jailbroken devices often cannot update normally, the most direct security risk is the loss of app sandboxing, not just update inability.
- B
It voids the warranty.
Why wrong: Voiding warranty is a support issue, not a direct security risk to corporate data.
- C
It bypasses app sandbox restrictions, potentially exposing corporate data.
Jailbreaking removes iOS security layers, including sandboxing, allowing malicious apps to access data from other apps, which is a severe data leakage risk.
- D
The device will perform slower.
Why wrong: Performance degradation can occur but is not the primary security concern; data exposure is the critical risk.
Question 70 of 750
Jailbroken iPhone Security Risks: App Sandbox Bypass
This 220-1202 practice question tests your understanding of mobile os features and tools. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
During a security audit, a technician discovers that an employee's company-issued iPhone has been jailbroken. The employee claims they only did it to customize the home screen. Which security risk is most directly associated with a jailbroken device in a corporate environment?
Quick Answer
The answer is that a jailbroken iPhone’s most direct security risk is the bypass of app sandbox restrictions. On a standard iOS device, each app runs in its own isolated sandbox, preventing it from accessing data stored by other apps. Jailbreaking removes these kernel-level protections, meaning a malicious or compromised app can read corporate email, contacts, or documents from any other app on the device. On the CompTIA A+ Core 2 220-1202 exam, this concept tests your understanding of mobile device security controls and the real-world dangers of privilege escalation. A common trap is focusing on customization or malware alone, but the core exam point is that sandbox bypass enables data leakage across apps, which is the primary corporate concern. To remember this, think of the sandbox as a locked filing cabinet: jailbreaking removes the locks, so every drawer is open to every user.
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
✓
It bypasses app sandbox restrictions, potentially exposing corporate data.
Jailbreaking removes the iOS sandbox restrictions that normally isolate each app's data and prevent unauthorized access to the file system. Without these restrictions, a malicious or compromised app on the jailbroken device can read, copy, or exfiltrate corporate data stored by other apps (e.g., email, VPN certificates, MDM profiles), directly violating data confidentiality in a corporate environment.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The device cannot receive iOS updates.
Why it's wrong here
While jailbroken devices often cannot update normally, the most direct security risk is the loss of app sandboxing, not just update inability.
- ✗
It voids the warranty.
Why it's wrong here
Voiding warranty is a support issue, not a direct security risk to corporate data.
- ✓
It bypasses app sandbox restrictions, potentially exposing corporate data.
Why this is correct
Jailbreaking removes iOS security layers, including sandboxing, allowing malicious apps to access data from other apps, which is a severe data leakage risk.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
The device will perform slower.
Why it's wrong here
Performance degradation can occur but is not the primary security concern; data exposure is the critical risk.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates focus on the employee's stated reason (customization) and mistakenly choose a non-security answer like 'voids warranty' or 'slower performance,' overlooking the fundamental security principle that jailbreaking breaks app isolation and exposes corporate data.
Detailed technical explanation
How to think about this question
iOS uses a mandatory access control (MAC) framework based on sandbox profiles (e.g., Seatbelt) that restrict each app to its own container directory. Jailbreaking disables code signing enforcement and allows arbitrary kernel extensions, effectively removing the sandbox boundaries. In a real-world scenario, a malicious app on a jailbroken device could read the keychain entries of a corporate VPN app, exposing credentials and allowing lateral movement into the corporate network.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the 220-1202 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this 220-1202 question test?
Mobile OS Features and Tools — This question tests Mobile OS Features and Tools — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: It bypasses app sandbox restrictions, potentially exposing corporate data. — Jailbreaking removes the iOS sandbox restrictions that normally isolate each app's data and prevent unauthorized access to the file system. Without these restrictions, a malicious or compromised app on the jailbroken device can read, copy, or exfiltrate corporate data stored by other apps (e.g., email, VPN certificates, MDM profiles), directly violating data confidentiality in a corporate environment.
What should I do if I get this 220-1202 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
This 220-1202 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 220-1202 exam.
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