Here is a fictional story of a science research. An institution wants to investigate how rats see things. Researchers put a cat near a rat, then the rat [...]

The goal of this system is to let the service collect fake data so that service provider may not exploit the users by inferring the habit of users. [...]

COVID-19 pandemic is still raging around the world. I have been keeping myself locked down since early April, and I can’t unlock myself until the [...]

There are three months I have not been updating my blog. The reason is that I am busy. I am busy with different stuff and reasons. Though I am in holiday [...]

Since Windows NT6, Windows started to include certification utility. This file is called “certutil.exe”. You may call it through Windows [...]