Skip to content
AI Security

Interview question · Mobile Application Security

Walk through Android's Network Security Configuration and iOS App Transport Security: what each controls, defaults and risky settings.

Both platforms let an app declare its transport rules in a file the reviewer can read in seconds. Knowing which lines are dangerous makes you fast in a mobile review.

mediumNewPreparation tags: Google, Apple, MicrosoftUpdated Nov 2026

Both platforms let an app declare its transport rules in a file the reviewer can read in seconds. Knowing which lines are dangerous makes you fast in a mobile review.

Make your first attempt

What would you say before reading the answer?

  1. 01 State the assumptions your answer depends on.
  2. 02 Explain the mechanism and choose a control.
  3. 03 Name a condition that would change your decision.

The worked answer includes an approach, scoring criteria and follow-up questions. Compare the reasoning with your own.

10 answers per topic instead of 5, plus saved progress and bookmarks · costs nothingor unlock all 529 remaining answers · $25

Every worked answer in all 17 topics, every lesson in every course, the full concept curriculum, the complete practice-test bank, and the downloadable security field guides.

6 months · One payment · No auto-renewal

What if · the follow-ups in this answer

The answer works through 6 follow-ups like an interviewer would

A mobile app must make sure every connection to its backend and third-party SDKs uses properly validated TLS.

  1. What is Android's Network Security Configuration?
  2. Which NSC settings are risky?
  3. What is App Transport Security on iOS?
  4. What about third-party SDKs?
  5. How do you verify it in testing?
  6. How would you configure the app?

Each rung has a nudge, a model answer, the principle that carries over and the weak answer to avoid. Premium opens every answer and ladder.

UP NEXT ON YOUR JOURNEY
Next in this trackHow do hardware-backed keys work on Android and iOS, what does key attestation prove, and why must biometrics unlock a key, not a boolean?Next in this trackHow are mobile apps signed and verified: APK signature schemes and key rotation, and iOS certificates, profiles and entitlements?Next in this trackHow does rooting an Android device actually work, what does it change in the boot chain, and how can apps and servers tell?
DISCUSSION · 0

No comments yet. Share a correction or a different way to answer it.