Carter Yagemann

Assistant Professor of Computer Science and Engineering at the Ohio State University with interests in automated vulnerability discovery, root cause analysis, exploit prevention, and cyber-physical security.

#mobile Articles


H&R Block App Analytics for 2020

Two years ago I started a series about using the analytics publicly released by the USA government to gleam some information about H&R Block's mobile apps. I'm a few months late this year, but it's time to update the numbers for the 2020 tax year. The 2019 numbers are …

H&R Block App Analytics for 2019

Last year I wrote a blog post about using the analytics publicly released by the USA government to gleam some information about H&R Block's mobile apps. If you haven't read it, I recommend doing so because in this post I'm going to give an update for the 2019 tax …

H&R Block "MyBlock" App + USA Government Website Analytics = PROFIT

I like data mining. For better or worse, it's the gold of the digital age. So when the USA government decided to make the analytical data for their publicly facing websites available for download, I jumped at the opportunity. Thanks to this lovely data source, I can get insights into …

Apple vs. the FBI

Originally written for the Syracuse University College of Engineering blog. In the wake of the tragic shooting in San Bernardino, many questions remain and people want answers. It seemed like a breakthrough in the investigation was imminent when the FBI got their hands on one of the shooters’ iPhone, only …