A network administrator is configuring a company's wireless router to prevent unauthorized access and enhance security. In addition to changing the default password, what is the most effective additional device hardening step the administrator should take?
Disabling unused ports and services is the most effective step in this scenario, as it immediately reduces the number of avenues an attacker could exploit to gain unauthorized access or disrupt network services. Changing the SSID, while useful for concealing network identity, does not itself secure the network against determined attackers who can still detect and connect using advanced tools. Scheduling regular updates is important for security but relates more to maintaining the security posture over time rather than an immediate hardening step.
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Why is disabling unused ports and services important for router security?
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What tools or methods can attackers use to exploit open ports and services?
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How does disabling services differ from using firewalls for securing a router?