Which detection methodology is used by standard antivirus tools to flag known malware files by matching their unique file hash codes against a local index directory? MCQ with Answer and Explanation
Which detection methodology is used by standard antivirus tools to flag known malware files by matching their unique file hash codes against a local index directory?
A. Behavioral Monitoring
B. Signature-based Detection
C. Heuristic Analysis
D. Sandbox Isolation Monitoring
Answer: Option B
Solution (By JKSSB Mock Tests)
Signature-based engines scan storage objects looking for byte patterns or static cryptographic hashes known to correspond to established malware databases.
Which cryptographic security technique scrambles plain text records into unreadable strings using mathematical keys, ensuring data remains secure even if intercepted by threat actors?
Explanation:
Encryption alters readable data into ciphertext using cryptographic mathematical algorithms, requiring specialized keys to reverse and decode.
Which specific malware variety embeds its code inside the boot sectors of a hard drive platter or deep within the operating system core to intercept and mask its presence from security software tools completely?
Explanation:
Rootkits are stealthy malware packages built to acquire deep administrative access, altering kernel functions to render themselves invisible to standard OS monitoring utilities.
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