CSSLP Secure Software Implementation Practice Question
You are auditing a web application for insecure deserialization. Which language-specific feature is most commonly the source of this vulnerability?
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
✓
The use of native object serialization
Deserialization of untrusted data in languages like Java (ObjectInputStream) or Python (pickle) can allow code execution.
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 use of internal logging
Why it's wrong here
Logging does not handle object graphs.
- ✗
The use of JSON.parse()
Why it's wrong here
JSON parsing is generally safe unless processed into objects dynamically.
- ✗
The use of static typing
Why it's wrong here
Static typing improves security.
- ✓
The use of native object serialization
Why this is correct
Native serialization formats are often susceptible to gadget chain attacks.
About these practice questions
This CSSLP question is part of Courseiva's 198-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official (ISC)² exam blueprint
This CSSLP practice question is part of Courseiva's free (ISC)² 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 CSSLP exam.