This organization maintains a database of hash signatures for known software

The correct answer is C. National Software Reference Library. The National Software Reference Library (NSRL), maintained by NIST (National Institute of Standards and Technology), maintains a large repository of known file hashes (MD5, SHA-1, SHA-256) for commercial and publicly available software. Digital forensic investigators use the…

Submitted by jakub_pl· Apr 18, 2026Disk Forensics

Question

Options

AInternational Standards Organization
BInstitute of Electrical and Electronics Engineers
CNational Software Reference Library
DAmerican National standards Institute

How the community answered

(24 responses)

A
4% (1)
C
96% (23)

Explanation

The National Software Reference Library (NSRL), maintained by NIST (National Institute of Standards and Technology), maintains a large repository of known file hashes (MD5, SHA-1, SHA-256) for commercial and publicly available software. Digital forensic investigators use the NSRL hash database to quickly identify known, benign files on a system - allowing them to focus analysis on unknown or suspicious files rather than wasting time on standard OS or application files.

Topics

#hash signatures#NSRL#digital forensics#file identification

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