Author Archive

[Late Post] Passcode Vulnerability on Pocket Expense <= 4.5.1

Author: | Categories: Bug Report, Mobile Apps, Write-Up No comments
I. ABSTRACT In our daily life, many people are often finding some difficulties to manage their financial record. This record generally is about data of income and outcome activities which were in the past or even in the future. In an era which is all about digital like now,

Simple Paper

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List of  simple papers in this site (English): Dec 27th, 2017 – Asus [EN Only] Lack of Binary Protection at Asus “Vivo Baby” and “HiVivo” for Android that could Result of Several Security Issues Dec 26th, 2017 – PayPal [EN Only] PayPal – Bypassing the Current Password Protection at

About Me

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Independent Security Consultant. Twitter | Blog | | Linkedin | Mail: yk[at]firstsight.me