This CHFI practice question tests your understanding of mobile and malware forensics. 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.
An iOS forensic examiner recovers a Keychain dump from an iPhone. Which of the following types of data is typically NOT stored in the iOS Keychain?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "NOT"
Why it matters: Negative qualifier — you are looking for the one option that does NOT apply. Most options will be true; only one is false for this scenario.
Wi-Fi passwords
Why wrong: Wi-Fi passwords are commonly stored in the Keychain.
Safari saved passwords
Why wrong: Safari passwords are stored in the Keychain.
SMS message content
SMS messages are stored in the SMS.db database, not in the Keychain.
VPN credentials
Why wrong: VPN credentials are stored in the Keychain.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
SMS message content
The iOS Keychain is designed to store small, sensitive credentials such as passwords, keys, and certificates. SMS message content is stored in the SMS/MMS database (sms.db) under the protected /private/var/mobile/Library/SMS/ directory, not in the Keychain. Keychain items are encrypted per-app or per-service, whereas SMS messages are managed by the Messages app and stored in a SQLite database with its own encryption layer.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Wi-Fi passwords
Why it's wrong here
Wi-Fi passwords are commonly stored in the Keychain.
Safari saved passwords
Why it's wrong here
Safari passwords are stored in the Keychain.
SMS message content
Why this is correct
SMS messages are stored in the SMS.db database, not in the Keychain.
Clue confirmation
The clue word "NOT" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
VPN credentials
Why it's wrong here
VPN credentials are stored in the Keychain.
Common exam traps
EC-Council often tests the misconception that all sensitive user data (including messages) is stored in the Keychain, but the Keychain is strictly for credentials and secrets, not for bulk message content.
Detailed technical explanation
The iOS Keychain uses a SQLite database located at /private/var/Keychains/keychain-2.db, with each item encrypted using AES-256-GCM and wrapped with a hardware-backed key. Keychain items are classified by access groups (e.g., com.apple.safari) and protection classes (e.g., kSecAttrAccessibleWhenUnlockedThisDeviceOnly). In contrast, SMS messages are stored in a separate SQLite database (sms.db) that uses NSFileProtectionComplete encryption at the file level, not the Keychain's per-item encryption.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the CHFI 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
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FAQ
Mobile and Malware Forensics — This question tests Mobile and Malware Forensics — Read the scenario before looking for a memorised answer..
The correct answer is: SMS message content — The iOS Keychain is designed to store small, sensitive credentials such as passwords, keys, and certificates. SMS message content is stored in the SMS/MMS database (sms.db) under the protected /private/var/mobile/Library/SMS/ directory, not in the Keychain. Keychain items are encrypted per-app or per-service, whereas SMS messages are managed by the Messages app and stored in a SQLite database with its own encryption layer.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "NOT". Negative qualifier — you are looking for the one option that does NOT apply. Most options will be true; only one is false for this scenario.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 30, 2026
This CHFI practice question is part of Courseiva's free EC-Council 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 CHFI exam.
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