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How Hash Functions Help Detect and Block Threats

ID: 52d072ab-9e6e-5116-936a-f46d40fe91fe

STIX ID: report--52d072ab-9e6e-5116-936a-f46d40fe91fe

Feed Name: Malware Patrol Blog

Date Published: 2022-09-05

Date Updated: 2026-06-15

Author: Malware Patrol

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This article explains how cryptographic hash functions work, discusses the declining security of some hashes (notably MD5 and concerns around SHA variants), and describes common cybersecurity uses for hashes — including password storage, file integrity checks, hash-based malware detection, and sharing Indicators of Compromise among researchers.

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