An organization is MOST at risk from a new worm being introduced through the intranet when:
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A. B. C. D.D.
The correct answer is A. executable code is run from inside the firewall.
A worm is a type of malware that can replicate itself and spread from one computer to another over a network. When a worm is introduced into an organization's intranet, it can spread quickly and infect multiple systems, causing damage or stealing sensitive data.
Option A states that executable code is run from inside the firewall, which refers to the practice of allowing users to download and execute code or applications from within the organization's network. This is a common practice in many organizations as it allows users to access and use software or tools that may be necessary for their work. However, this practice also creates a risk of introducing malware, including worms, into the network.
Option B, system software does not undergo integrity checks, is also a security risk but may not necessarily lead to the introduction of a worm. Integrity checks are used to ensure that system software has not been tampered with and that it is running as expected. If system software has been compromised, it may contain vulnerabilities that can be exploited by attackers to introduce malware.
Option C, hosts have static IP addresses, is not directly related to the introduction of worms. Static IP addresses are IP addresses that are manually assigned to a device and do not change over time, as opposed to dynamic IP addresses that are assigned automatically by a DHCP server. While static IP addresses can make it easier to manage network resources, they do not necessarily increase the risk of worm infections.
Option D, desktop virus definition files are not up to date, is also a security risk but may not necessarily lead to the introduction of a worm. Virus definition files are used by antivirus software to identify and block malware. If virus definition files are not up to date, the antivirus software may not be able to detect and block new malware, including worms. However, this does not necessarily mean that a worm will be introduced into the network.
In summary, option A is the most likely scenario in which an organization is at risk of a new worm being introduced through the intranet. This underscores the importance of implementing security measures such as restricting the execution of executable code and applications, as well as ensuring that antivirus software is up to date and running properly.