Second, we should comment only with people we know offline.
Sometimes, someone tries to add us a connection.
If we don’t really know them, we should block them.
Third, be mindful for posting personal data.
We should not post everything to the public.
It’s impossible to take it back once we post something online.
Finally, ask our friends not to post photos of us or our family without permission.
These tips can protect our personal data.
Try to do that