Introduction to IT Security

What are the three main areas of IT security?

• Network, Physical, Internet

• Communication, Computer, Cloud

• Antivirus, Firewall, VPN

• Desktop, Server, Mobile

What was the earliest form of communication security mainly trying to prevent?

• Malware attacks

• Email phishing

• Physical tapping into communication lines

• Social engineering

What is cryptography used for?

• Speeding up internet

• Blocking ads

• Protecting against physical theft

• Making information readable only to authorized users

What changed in the 1960s that increased computer security risks?

• Smaller hardware

• Single-user systems

• Time-sharing and resource-sharing systems

• Emergence of mobile phones

What’s one reason users lost control over their processing environment?

• Multi-user access to one system

• Computers became slower

• Programs became too complex

• Lack of electricity

What tools are commonly used for protecting communication security?

(Choose all that apply)

• Firewall

• Cryptography

• Secure Transmission Protocols

• Data Recovery Tools

The need for security arose because of the growing number of ________ in the 1960s, which led to unauthorized data access.

What does confidentiality in IT security aim to prevent?

• Denial of Service (DoS) attacks

• Unauthorized modification of information

• Encryption of data

• Unauthorized access to information

Which of the following are examples of threats to the availability of data?

(Choose all that apply)

• Denial of Service (DoS) attacks

• Malware

• Inadequate access controls

• Physical theft of hardware

The type of threat best prevented through encryption is ________ disclosure.