Hey,
Institutions do in fact scan local systems and public networks on
connection to as they say "fight bots" and "malicious/compromised
users". Here is an example of someone going through and pulling apart
ebay's use of it: https://blog.nem.ec/2020/05/24/ebay-port-scanning/
They also use in
Hey,
NANOG (the professional association for Internet engineering,
architecture and operations) has started to publish out internet
engineering fundamentals webinars. This would be useful to anyone
looking to formulate basic engineering knowledge.
Here is a link to their DNS fundamentals:
