Chinese Police and CloudPets slides, video and interview

NOTE: In 2020, a new talk will substantially improve this one to include an interesting third app and better explain the other ones. In late 2019, I had the privilege of giving a talk and an interview at SEC-T and DeepSec about "Chinese Police and CloudPets". Basically a summary of highlights from 3 different pentest …

Hacking Apps Part 4: Common SSL Implementation Errors

Part 1: Intro Part 2: Translating APKs Part 3: What is SSL? [ MSTG‑NETWORK‑1 ] The OWASP Mobile Application Security Verification Standard classifies the flaw explained in this blog post, under section V5: Network Communication Requirements, as follows: MSTG‑NETWORK‑2: The TLS settings are in line with current best practices, or as close as possible if …

Hacking Apps Part 3: SSL Basics Explained

Previous blog posts you might have missed and maybe you would like to read first for background: Part 1: Intro Part 2: Translating APKs The OWASP Mobile Application Security Verification Standard classifies the flaw explained in this blog post, under section V5: Network Communication Requirements, as follows: MSTG-NETWORK-1: Data is encrypted on the network using …

Hacking Mandated Apps - Part 2: Translating APKs

If you missed Hacking Mandated Apps - Part 1: Intro please start there for background 🙂 Translating APKs in beautiful exotic languages As explained in the intro, the team did not get access to the sources of the app. We had to first retrieve the APK from a Korean APK download service, decompile the APK and then …

Hacking Mandated Apps - Part 1: Intro

NOTE: This was all coordinated work with human rights activists, vulnerabilities were reported, findings public, and talk (below) given! 🙂 Is monitoring your children something your country's government asks you to do? Do you feel you need the government's help to parent your child, technologically? What if I told you there is a country that forced its …

XXE Exposed Webinar Recording and Slides

In case someone is interested, I had the pleasure of giving a Webinar for eLearnSecurity on Tuesday this week: Webinar Title: "XXE Exposed" Summary: Brief coverage of Web Service Types, SQLi and XSS against Web Services to then talk about XXE and XEE attacks and mitigation.Heavily inspired on the "Practical Web Defense" (PWD) style of pwnage + …