Cyber Security Concepts

What does the term 'phishing' refer to in the context of cyber security?

• A type of fishing technique used by cyber criminals

• A software tool to protect against cyber attacks

• Fraudulent attempt to obtain sensitive information by disguising as a trustworthy entity.

• A legitimate way to obtain sensitive information online

Explain the concept of encryption in the context of data security.

• Encryption is only used for non-sensitive information

• Encryption ensures data security by protecting sensitive information from being accessed by unauthorized users.

• Encryption makes data more vulnerable to cyber attacks

• Encryption slows down data processing speed significantly

What is the purpose of a firewall in a network?

• To order office supplies online

• To water the plants in the office

• To monitor and control incoming and outgoing network traffic based on security rules.

• To play music for employees during work hours

Fill in the blank: _______ is a type of malware that spreads through removable media.

• Trojan Horse

• Phishing Email

• USB Worm

• Ransomware

What is the role of a VPN in ensuring secure communication over the internet?

• A VPN increases the risk of data breaches and cyber attacks

• A VPN ensures secure communication over the internet by encrypting data and masking the user's IP address.

• A VPN ensures faster internet speed by bypassing security measures

• A VPN provides unlimited access to restricted websites

Define the term 'DDoS attack' and explain how it can impact a network.

• DDoS attack enhances network security

• A DDoS attack can impact a network by causing service disruptions, slow performance, or complete unavailability of the targeted network resources, leading to financial losses and damage to the reputation of the affected organization.

• DDoS attack improves network performance

• DDoS attack reduces network latency

Which of the following is a common method used to authenticate users in a system? A) Biometrics B) Cookies C) CAPTCHA D) All of the above

• F) Retina scan

• A) Biometrics

• G) Social security number

• E) Facial recognition

What is the significance of two-factor authentication in enhancing security?

• Two-factor authentication increases the risk of unauthorized access

• Two-factor authentication has no impact on security measures

• Two-factor authentication enhances security by requiring users to provide two different factors to verify their identity, reducing the risk of unauthorized access.

• Two-factor authentication only requires one factor for verification

Explain the difference between symmetric and asymmetric encryption.

• Symmetric encryption uses one key, asymmetric encryption uses two keys.

• Symmetric encryption is slower than asymmetric encryption.

• Symmetric encryption uses two keys, asymmetric encryption uses one key.

• Symmetric encryption is more secure than asymmetric encryption.

Fill in the blank: A _______ is a program that appears to be legitimate but performs malicious activities in the background.

• Trojan horse

• Virus program

• Spyware

• Friendly software