Module Question 4
- Explain the role of a firewall in protecting a business’s internal network.
- Why is it critical for employees working remotely to use a VPN?
- What is Wi-Fi encryption (like WPA2/WPA3), and why should a business never use an open, unsecured Wi-Fi network?
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Bukti:
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A firewall acts as a security barrier between a business’s internal network and external networks (like the internet). Its main role is to monitor and control incoming and outgoing traffic based on security rules.
- Filters traffic: Allows safe data to pass while blocking suspicious or harmful traffic.
- Prevents unauthorized access: Stops hackers or unknown users from entering the internal network.
- Protects sensitive data: Helps keep company and customer information secure.
- Controls network activity: Can restrict which apps or services are allowed to communicate.
- Monitors threats: Detects unusual activity and potential attacks.
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It’s critical for remote employees to use a VPN (Virtual Private Network) because it keeps their connection secure when accessing company systems from outside the office.
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Wi-Fi encryption (such as WPA2 and WPA3) is a security method that protects data transmitted over a wireless network by encoding it, so only authorized users can access and read it.
- WPA2: A widely used standard that provides strong encryption.
- WPA3: A newer, more secure version with better protection against attacks.
Why businesses should never use open, unsecured Wi-Fi:
- No data protection: Information sent over open Wi-Fi can be easily intercepted.
- High risk of hacking: Attackers can access devices or steal sensitive data.
- Data breaches: Company and customer information can be exposed.
- Man-in-the-middle attacks: Hackers can secretly monitor or alter communications.