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 (a)   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 (a)   disclosure.