A User Asks a Security Practitioner for Recommendations on Securing

question 164

Multiple Choice

A user asks a security practitioner for recommendations on securing a home network. The user recently purchased a connected home assistant and multiple IoT devices in an effort to automate the home. Some of the IoT devices are wearables, and other are installed in the user's automobiles. The current home network is configured as a single flat network behind an ISP-supplied router. The router has a single IP address, and the router performs NAT on incoming traffic to route it to individual devices. Which of the following security controls would address the user's privacy concerns and provide the BEST level of security for the home network?

• A) Ensure all IoT devices are configured in a geofencing mode so the devices do not work when removed from the home network. Disable the home assistant unless actively using it, and segment the network so each IoT device has its own segment.
• B) Install a firewall capable of cryptographically separating network traffic, require strong authentication to access all IoT devices, and restrict network access for the home assistant based on time-of-day restrictions.
• C) Segment the home network to separate network traffic from users and the IoT devices, ensure security settings on the home assistant support no or limited recording capability, and install firewall rules on the router to restrict traffic to the home assistant as much as possible.
• D) Change all default passwords on the IoT devices, disable Internet access for the IoT devices and the home assistant, obtain routable IP addresses for all devices, and implement IPv6 and IPSec protections on all network traffic.

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Definitions:

Bureaucracy

A structured organization characterized by a hierarchy of authority, complex rules, and a focus on procedure and administrative tasks.

Distributors

are intermediaries that move products from manufacturers to the market, often adding value through logistics, marketing, and sales support.

Customers

Individuals or entities that purchase goods or services from a business.

Channels

Pathways or mediums through which information, communication, or goods are delivered or transmitted.