Networking and Operating Systems

Section 4.3 – Threats to Data – TestOut

Objective: 

This section introduces you to the most common threats to data confidentiality, integrity, and availability. After finishing this section, you should be able to :

  • Describe the most common threats to data confidentiality.
  • Describe the most common threats to data integrity.
  • Describe the most common threats to data availability.
  • Identify common social engineering techniques used by hackers to gain access to online data.
  • Evaluate email messages to determine if they represent a possible social engineering attack

Links:

Key Terms:

  • Snooping Attempting to secretively discover private information about a person, company, or other entity.
  • Wiretapping A form of eavesdropping that uses programs such as packet sniffers to capture data being transmitted over a network.
  • Social Engineering The use of deception to gain personal and/or private information for unlawful purposes.
  • Reconnaissance The passive gathering of information about a potential victim.
  • Pretexting Tricking a victim into revealing sensitive information under false pretenses.
  • Email Attack Exploiting a victim using email messages.
  • Browser Attack Convincing a victim that they are performing a legitimate task within their web browser window when, in fact, they are being tricked into revealing sensitive information or installing malware on their computer.
  • Man-in-the-Middle Attack An attack where the attacker secretly relays and possibly alters the communications between two parties who believe they are directly communicating with each other.
  • Replay Attack An attempt to connect to a server by capturing and resending authentication information.
  • Impersonation TCP session hacking and other methods where an attacker takes over the communication to a server by appearing to be the victim.
  • Denial of Service An attack that attempts to overload a system so that the services it provides are no longer available to legitimate network clients.

Topics Discussed:

  • How can businesses and individuals protect confidential information?
  • What are some of the most common ways hackers gain unauthorized access to online data?
  • What are the biggest threats to business data availability?

Assignment:

  1. Access the TestOut Courseware through the provided link.
  2. Study Section 4.3: Threats to Data, and achieve a score of 80% or higher on the 15 question Exam to complete the Section.

Assigned: January 14th, 2020
Teacher Pacing Due Date: January 15th, 2020