Intrepidus Group

Monthly Archives: June 2012

Android Network Analysis Redux

Posted: June 27, 2012 – 2:17 pm | Author: | Filed under: android, Tools

There are a lot of ways to do network analysis of mobile apps. Probably too many. There is no right answer, but there are some solutions that will be better than others depending on how the app is developed and what type of traffic you want to analyze. This post is a summary of some […]


Posted: June 20, 2012 – 3:02 pm | Author: | Filed under: Conferences, NFC, RFID, Wireless

This is not what you think it is, unfortunately. It has nothing to do with the USRP, but is the second in a series of posts which should really be entitled “Alice’s Adventures in NFC-land”. Since the second post in this series was supposed to be about demodulation/decoding, I’ll continue the title with the hopes […]

Apple’s iOS Security Overview

Posted: June 20, 2012 – 1:18 pm | Author: | Filed under: iOS, Mobile Security

In late May, Apple quietly published a document entitled, simply, iOS Security. This short whitepaper describes several aspects of security within their iPad, iPhone, and iPod touch ecosystem, providing a high-level introduction to certain features and some fairly deep technical information for others. The stated goal is to help security-minded customers to better understand the […]

Apple Using Unsalted Hashes Too?

Posted: June 7, 2012 – 2:55 pm | Author: | Filed under: Cryptography, iOS, Passwords

As the LinkedIn password leak continues to occupy the time and attention of password-crackers, I thought it might be worth mentioning another high-profile site which apparently uses unsalted hashes. Two weeks ago, I discovered that Apple sends an unsalted SHA-256 hash as part of an AppleID authentication process. I was looking at traffic from my […]


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