WGU C845 VUN1 TASK 3 EVALUATING AND
DEFENDING DATA SECURITY AND SYSTEM
OPERATIONS STUDY GUIDE
◉ DDoS attack.
Answer: A DDoS (Distributed Denial of Service) attack overloads a
target server, service, or network with a massive volume of fake
traffic from multiple sources, making it unavailable to legitimate
users.
◉ Adversary.
Answer: Someone who intends to harm your system or data.
Example: A disgruntled ex-employee planning to leak customer
records.
◉ Attack.
Answer: A malicious action attempting to steal, alter, or disrupt.
◉ Security goals (CIA+).
Answer: Includes Authenticity and Accountability along with the CIA
principles.
◉ Security controls.
, Answer: Mechanisms for data security to achieve key objectives of
Confidentiality, Integrity, and Availability.
◉ Screen lock + biometrics.
Answer: Confidentiality measure that prevents unauthorized access
to a device.
◉ App PIN/MFA.
Answer: Confidentiality & Integrity measure that secures access to
applications.
◉ Remote wipe.
Answer: Availability & Integrity measure that allows erasing a device
to prevent misuse.
◉ Computer security principles.
Answer: Fundamental rules and concepts for protecting a system's
data and resources.
◉ Security tools.
Answer: Includes antivirus and firewalls used for data security.
◉ Log entry example.
DEFENDING DATA SECURITY AND SYSTEM
OPERATIONS STUDY GUIDE
◉ DDoS attack.
Answer: A DDoS (Distributed Denial of Service) attack overloads a
target server, service, or network with a massive volume of fake
traffic from multiple sources, making it unavailable to legitimate
users.
◉ Adversary.
Answer: Someone who intends to harm your system or data.
Example: A disgruntled ex-employee planning to leak customer
records.
◉ Attack.
Answer: A malicious action attempting to steal, alter, or disrupt.
◉ Security goals (CIA+).
Answer: Includes Authenticity and Accountability along with the CIA
principles.
◉ Security controls.
, Answer: Mechanisms for data security to achieve key objectives of
Confidentiality, Integrity, and Availability.
◉ Screen lock + biometrics.
Answer: Confidentiality measure that prevents unauthorized access
to a device.
◉ App PIN/MFA.
Answer: Confidentiality & Integrity measure that secures access to
applications.
◉ Remote wipe.
Answer: Availability & Integrity measure that allows erasing a device
to prevent misuse.
◉ Computer security principles.
Answer: Fundamental rules and concepts for protecting a system's
data and resources.
◉ Security tools.
Answer: Includes antivirus and firewalls used for data security.
◉ Log entry example.
