MLSEC 11

Question 1

Vulnerabilities in software

Answer 1

a root cause for security breaches

Question 2

Intelligent Vulnerability Discovery

Answer 2

Pattern-based vulnerability discovery

Learning from (source) code

Question 3

Abstract Syntax Tree (AST)

Answer 3

Represents the “abstract” syntactic structure of source code

Question 4

Control Flow Graph (CFG)

Answer 4

Represents the execution order of statements of a function

Question 5

Data Dependence Graph (DDG)

Answer 5

Represents data dependencies between statements of a function

Question 6

Control Dependence Graph (CDG)

Answer 6

Represents control dependencies between
statements of a function

Question 7

Pattern-based Vulnerability Discovery

Answer 7

Describe vulnerabilities as sub-graphs of the code property graph

Question 8

Code Property Graph

Answer 8

Joint representation of AST, CFG, DDG, CDG

Question 9

Making Code Accessible for Learning

Answer 9

Object selection

Substructure enumeration

Mapping objects to vectors

Question 10

Dimension Reduction

Answer 10

Seek a feature space of lower dimensionality

Question 11

Why dimension reduction?

Answer 11

Improves computational performance of algorithms

minimize overfitting and reduce noise

Visualization of high-dimensional data