As a cybersecurity analyst, you discover that a critical database server is publicly accessible over the internet due to a misconfigured firewall. Which immediate action should you recommend to mitigate this vulnerability?
Change the database server’s default administrative password.
Reconfigure the firewall to restrict access to the database server.
Ensure the database server is using encrypted connections for all communications.
Install the latest security patches on the database server.
The correct answer is to reconfigure the firewall to restrict access to the database server. Publicly accessible database servers can be easily targeted by attackers, making it imperative to ensure that access is restricted to authorized users and systems only. Modifying other parameters such as password policies or ensuring updates are installed, while important for overall security, will not directly address the immediate threat posed by the open firewall configuration.
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What is the role of a firewall in network security?
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Why is it dangerous for a database server to be publicly accessible?
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What does 'restricting access' mean in the context of a firewall?