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Yizheng Chen
Yizheng Chen

18 followers

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Robust Trees for Security

Tree models are widely used for security, such as detecting malicious autonomous system, social engineering, malware distribution…

Feb 28, 2021
1
Robust Trees for Security
Robust Trees for Security
Feb 28, 2021
1

Monotonic Malware Classifiers

Microsoft has deployed their first monotonic classifier to detect malware attacks since late 2018. The attacker cannot evade the model by…

Dec 18, 2020
Monotonic Malware Classifiers
Monotonic Malware Classifiers
Dec 18, 2020

Gmail’s Malicious Document Classifier Can Still Be Trivially Evaded

Gmail has improved its malicious document classifier using deep learning recently. It can now detect many insertion-only attacks that…

Dec 10, 2020
Gmail’s Malicious Document Classifier Can Still Be Trivially Evaded
Gmail’s Malicious Document Classifier Can Still Be Trivially Evaded
Dec 10, 2020

Z3 timed out? Try Gurobi

SAT problem is a particular case of 0–1 Integer Linear Program (ILP). It can be formulated as a 0-1 ILP feasibility problem, with no…

Nov 21, 2020
Nov 21, 2020

How XGBoost Enforces Global Monotonicity for Features

XGBoost can train global monotonically nondecreasing or nonincreasing prediction function for user-specified features, in the Gradient…

Nov 19, 2020
Nov 19, 2020
Yizheng Chen

Yizheng Chen

18 followers

Security Researcher http://surrealyz.github.io/

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