activity
20242026
collaborators

5 papers

cs.CR2026

PhishGen: Understanding LLM Capabilities in Automated Phishing Website Generation

Fujiao Ji, Yerim Kim, Yena Cho +3

Phishing relies on visual deception, traditionally requiring web-development skills or pre-built kits. LLMs erode this barrier by generating functional websites from natural-langua…

cs.CR2026

A Large-Scale Empirical Study of Modern Phishing Email Content

Jaehwan Park, Woonghee Lee, Fujiao Ji +1

Phishing remains one of the most pervasive threats to Internet users, and email remains its predominant delivery channel. Email content is the attack surface of phishing: it is wha…

cs.CR2026

Poster: Mind the Gap -- Characterizing the Temporal Blind Spot Between GSB and DNS Resolution

Tomer Gal, Fujiao Ji, Doowon Kim +1

Google Safe Browsing (GSB) and DNS resolution operate concurrently during browser navigation, yet their packet-level synchronization remains understudied. This work characterizes t…

cs.CR2025

How Can We Effectively Use LLMs for Phishing Detection?: Evaluating the Effectiveness of Large Language Model-based Phishing Detection Models

Fujiao Ji, Doowon Kim

Large language models (LLMs) have emerged as a promising phishing detection mechanism, addressing the limitations of traditional deep learning-based detectors, including poor gener…

cs.CR2024

Evaluating the Effectiveness and Robustness of Visual Similarity-based Phishing Detection Models

Fujiao Ji, Kiho Lee, Hyungjoon Koo +4

Phishing attacks pose a significant threat to Internet users, with cybercriminals elaborately replicating the visual appearance of legitimate websites to deceive victims. Visual si…