The Cyber Defense eMagazine August Edition for 2023

a breach or take advantage over weaknesses of that IT infrastructure. In Figure 1, we would want to show
step-by-step how a Shodan could serve in obtaining so valuable login information. The illustration is given
as follows.
Figure 1. The Shodan’s default passwords
As it’s illustrated in the previous Figure – the Shodan would deal with many different IoT resources and
one of the options would be – so called – Default Password. As it’s obvious – there would be around
1,000 devices getting its login details available to the rest of a web population. We would always highlight
that a primary role of the Shodan is to serve to research’s community, but – unluckily – many malicious
actors would find their interest to exploit such an asset. Indeed, the Shodan is a powerful tool offering a
chance to everyone to test its capacities. Through the Figure 2 – we would illustrate how such a Default
Password section could get used for getting the IP details as well as the authentication data. That step
is illustrated as follows.
Figure 2. The Shodan’s login details
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