The 5 Principles of Digital Forensics
# The 5 Principles of Digital Forensics 1. **Lawfulness** All evidence must be collected legally and ethically. Unauthorized access or unlawful searches can render evidence in…
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Direct Evidence
**Direct evidence** is testimony from a **direct witness** who personally observed the act or event in question. It is based on firsthand human perception rather than inference fr…
Hearsay
**Hearsay** is an out-of-court statement offered to prove the truth of the matter asserted. Under the **U.S. Federal Rules of Evidence (FRE)**, hearsay is generally **not admissib…
Real Evidence
**Real evidence** is a physical, tangible object that played a relevant role in the event being investigated. It is the kind of evidence a jury can see and touch, such as the murd…
Circumstantial Evidence
[[Circumstantial Evidence]] is evidence that does **not directly prove a conclusion**, but can be linked with other evidence to **deduce** what happened. It requires inference and…
Baseline in Digital Forensics
# Baseline in Digital Forensics A **baseline** is a captured snapshot of a system's normal state under known-good conditions. It records what processes, services, network connect…