About GPS satellites, Wi-FI, Bluetooth, mobile phone tracking and wireless communication in general – basic working principle and terms explained.
How to stay safe when working with e-mails. How to recognize false (spoofed) e-mails. Checking e-mail headers, DKIM, SPF…
.com domain price hike. Which direction is (or has been) the Internet going – in my opinion?
The difference between the free and paid for SSL/TLS certificates. DV, OV and EV certificates explained. Is Let’s Encrypt safe etc.
How to perform HDD and SSD maintenance for the less frequently used storage / backup drives? Why does this need to be done?
What is asymmetric encryption? What are public and private keys? What is hash? Certificate authority? All those terms explained in plain English.
Explanation of basic terms, principles and apps needed for GPS navigation using a smartphone. So one can create and follow navigation route themselves.
Explanation of 2 factor authentication (also known as 2FA). The basic concept, the importance and practical use for security on the Internet in general.
Explanation of what TOR network and Onion routing are.
How to setup Backblaze B2 Cloud Storage for backups
Cloud storage options that I use and recommend. Both free and paid for. Space available, security, speed, convenience of use…
Cloudflare: what it is, how it works, how to protect your site with it – regardless of whether your site is made using WordPress, or some other tool.
AMP explained – what is AMP (Accelerated Mobile Pages), what’s it used for, pros and cons, how to implement it and how to judge whether you should.