tutorial

secure communication on your smartphone

Welcome back to minimal security! This post is about how to communicate securely with your friends on your smartphone. I am sure we are all worried about sending our cat videos through insecure channels. Fear not! There are messaging apps that will protect you with minimal effort on your side. There is a myriad of […]

browsing security one step at a time

This is the first post of my series on using computers securely for non-technologists. This post is about online advertisement. Apart from being a nuisance there have been also reports of distributing malware and viruses through advertisement channels on websites. As one can see, online ads are not only annoying but also a security threat. […]

ebook comic conversion the hard way – azw3 to epub

I recently wanted to convert an AZW3 comic to EPUB because I prefer EPUB as a free format. However, no matter how much I tried to get Calibre to do the conversion with various output settings, it always distorted or clipped the images. I tried to brute-force my way through the settings after deliberately choosing […]