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Fake customer service leverages public data and social engineering to approach victims.

Scam & Risk Awareness · 2026-09-26

How Do Fake Customer Service Agents Know Your Issues? A Look into Scam Data Sources

Why do fake customer service agents seem to know about your recent account, payment, or login issues? The information may come from public information, leaked lists, fake forms, social engineering, or things you inadvertently revealed. This article analyzes common data sources and explains how to

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Illustration of hospital data breach represented as scattered documents in an isometric style.

Hacker Tools & Tech · 2026-07-31

Why Medical Data is More Valuable than Credit Card Information: A Recent Breach Example

A leading global medical technology company recently confirmed a data breach affecting millions of patients. This article explores why medical data often holds a higher value than credit card numbers in underground markets, and how individuals can verify if they have been affected.

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Cover image simulating a personal data black market transaction interface.

Account Protection · 2026-07-24

How Much Is Your Account Worth on the Black Market? Understanding This Industry Chain to Know Why You Should Protect Yourself

A set of stolen social media accounts, a leaked email password—how much are they worth on the black market? This article explains the general operation logic of the personal data black market and the price differences, helping readers understand why seemingly ordinary account information is worth

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