Why would a bus ticketing app require an Internet connection when you board the bus?

The bus company that I use (Arriva UK) is trying to persuade passengers to switch from buying paper tickets to tickets stored on their app. They are particularly pushing this for ‘bus passes’: tickets that allow you to take any bus in a gi… Continue reading Why would a bus ticketing app require an Internet connection when you board the bus?

How can I work around the expired Sectigo certificate on my old mobile device?

As you may know, a CA certificate issued by Sectigo expired recently. This is affecting certain mobile apps and possibly websites, rendering them unable to connect to required network resources.

This can affect applications for two (three… Continue reading How can I work around the expired Sectigo certificate on my old mobile device?

Are password managers still effective on a cloud PC (virtual machine)?

I have recently started using a cloud gaming service. It provides me with control of a ‘remote PC’ (actually a virtual machine running in their data centre) accessed through an app or VNC console. The VM is switched on/off using a control … Continue reading Are password managers still effective on a cloud PC (virtual machine)?

Is it possible to use WeChat (Weixin) more safely in recent versions of Android by using permissions?

I assume that anything written or read on WeChat is read by the government of the People’s Republic of China. I understand the risks of that.

However, I would like to understand the implications of using WeChat for other data on my device… Continue reading Is it possible to use WeChat (Weixin) more safely in recent versions of Android by using permissions?