Posts

All the articles I've posted.

• MySejahtera is a Perfectly Good App With No Exploits — Part 2

  17 Oct, 2021

  Part 2 of MySejahtera investigation reveals more security flaws in registration and OTP verification endpoints

• MySejahtera is a Perfectly Good App With No Exploits

  17 Oct, 2021

  MySejahtera: Malaysia's COVID-19 app with serious communication glitch.

• Implementing Encryption Feature in pdf-lib

  15 Aug, 2021

  A deep dive into implementing PDF encryption in pdf-lib, exploring PDF file structure, encryption dictionaries, security handlers, and crypt filters

• Basic Structure of Portable Document Format (PDF)

  10 Aug, 2021

  Guide to understanding the fundamental structure of PDF files, including headers, body objects, and key components of the PDF standard