Digital

Likelihood ratios for categorical count data with applications in digital forensics

July 14, 2023 / Publication / Digital, Forensic Statistics

We consider the forensic context in which the goal is to assess whether two sets of observed data came from the same source or from different sources. In particular, we

CSAFE Project Update & ASCLD FRC Collaboration

July 14, 2023 / Presentation Slides / Digital, Firearms and Toolmarks, Footwear, Forensic Statistics, Handwriting, Implementation and Practice

This presentation highlighted CSAFE’s collaboration with the ASCLD FRC Collaboration Hub.

Forensic Analysis on Android Social Networking Applications

July 14, 2023 / Presentation Slides / Digital

This presentation is from the 75th Anniversary Conference of the American Academy of Forensic Sciences, Orlando, Florida, February 13-18, 2023. Posted with permission of CSAFE.

Source Camera Identification on Multi-Camera Phones

July 14, 2023 / Presentation Slides / Digital, Forensic Statistics

Camera identification addresses the scenario where an investigator has a questioned digital image from an unknown camera. The investigator wants to know whether the questioned image was taken by a

A Likelihood Ratio Approach for Detecting Behavioral Changes in Device Usage Over Time

July 12, 2023 / Poster / Digital

This work focuses on the situation in which investigators have obtained as evidence logs of user-generated activities on a device, such as sending text messages or emails, opening or interacting

LibDroid: Summarizing information flow of Android Native Libraries via Static Analysis

November 30, 2022 / Publication / Digital

With advancements in technology, people are taking advantage of mobile devices to access e-mails, search the web, and video chat. Therefore, extracting evidence from mobile phones is an important component

Evaluating Reference Sets for Score-Based Likelihood Ratios for Camera Device Identification

November 30, 2022 / Presentation Slides / Digital

An investigator wants to know if an illicit image captured by an unknown camera was taken by a person of interest’s (POI’s) phone. Score-based likelihood ratios (SLRs) have been used

Likelihood Ratios for Categorical Evidence with Applications to Digital Forensics

November 29, 2022 / Poster / Digital, Forensic Statistics

In forensic investigations, the goal of evidence evaluation is often to address source-/identity-based questions in which the evidence consists of two sets of observations: one from an unknown source tied

Automatic Detection of Android Steganography Apps via Symbolic Execution and Tree Matching

November 29, 2022 / Publication / Digital

The recent focus of cyber security on automated detection of malware for Android apps has omitted the study of some apps used for “legitimate” purposes, such as steganography apps. Mobile

Tutorial on Likelihood Ratios with Applications in Digital Forensics

September 16, 2022 / Webinar / Digital, Forensic Statistics, Training and Education

This CSAFE webinar was held on September 15, 2022. Presenters: Rachel Longjohn PhD Student – Department of Statistics, University of California, Irvine Dr. Padhraic Smyth Chancellor’s Professor – Departments of

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