2019 Cybersecurity Insights -16
In this section, we analyzed threats against three major protocols. Threats Against Telnet According to data from NSFOCUS’s threat hunting system, Telnet (available on port 23), targeted by a total of 120,000 attack sources, was the IoT protocol most favored by attackers1 . Figure 7-3 shows the activity trend of Telnet attack sources from March […]