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CS6262 Final Exam quizzes with 100% Correct Answers
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CS6262 Final Exam quizzes with 100% Correct Answers
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CS6262 Final Exam quizzes with 100%Correct Answers
Defense in Depth - ANSWER Prevention, Detection, Survival
Shamir's Scheme Simulation - ANSWER - Add or delete shares without affecting others
- Easy to create new shares without changing secret
- Easy to create hierarchical schemes
- Information theoretic security
Byzantine Fault Tolerance - ANSWER - A fault is the cause of an error that leads to
a system failure
- Fault tolerance can be achieved through failure masking
DNS Reputation - ANSWER - Prejudge, Profile, Stereotype
DNS Black List - ANSWER White - Complete
Trust Black - No trust
Grey - Not directly involved in spamming but associated with spam-like behaviors
Yellow - known to produce spam and non-spam email
NoBL - trustworthy
DNSBL Domain Info - ANSWER - Botnets use short lived domains
- Spyware use anonymously registered domains
- Adware uses disposable domains
, Data Poisining - ANSWER Attacker injects data to cause machine-learning to
produce the raw model
Syntactic Worm Signature - ANSWER Automatic signature generators look for invariant
parts of polymorphic worms
Vulnerable to Noise Injection Attack
Noise Injection Attacks - ANSWER Worm also sends out fake anomalous
flows Fake invariants
Misleading Worm Singature - ANSWER Completely can completely control the
process the process of generating and collecting the training data and ascertain the
authenticity and integrity of the dataset
If training data is obtained in open environment always risk
Polygraph - ANSWER Signature generation of polymorphic
worms Signatures: Conjuction, Token-subsequence, Bayes
Model Evasion (Exploratory Attack) - ANSWER Attacker learns about the decision
boundary of the model to bypass it
SaaS - ANSWER Use provider's applications running on a cloud infrastructure
(knowledge tree)
PaaS - ANSWER Consumer create applications using programming languages and
tools supported by the provider
(google apps)
(salesforce)
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