This is an excellent opinion piece by Ian Levy.
Privacy Versus Security is a False Choice | WIRED UK
Here is a quote from his article to get you started:
“The pandemic has shown how central global social media, messaging and collaboration platforms have become in people’s everyday lives. However, we don’t yet understand the trade-off between the security and privacy afforded by those platforms and the real costs of using them.“
if you use these types of services – and who doesn’t – then read this so you can start to be informed about your privacy and security.