How serious is your ISP about Internet security? There is a website now where you can check if your ISP is vulnerable to BGP hijacking:
https://isbgpsafeyet.com/
The website also contains additional background information about BGP hijacking and how to prevent it in the first place.
ISP = Internet Service Provider, the company that hooks you up to the Internet
Be careful what kind of app you are installing in these days. Especially Corona apps (also known as COVID-19 apps) are supposed to be on the market as soon as possible (like yesterday), but this might come at the cost of reliability and security.
The Corona App of Deutsche Telekom uses insecure SSL encryption to communicate to cloud servers. While the app itself is functioning and useful, personal health data should be handled in a more secure way.
Roland's Linux Blog 