Yu-Cheng Liang
Staff Security Engineer at Uber
- Role
- Staff Security Engineer at Uber
- Location
- Sunnyvale, CA, US
- LinkedIn followers
- 500 followers
About Yu-Cheng Liang
Over 10 years of industrial experience in software development, with a focus on applying AI/ML in the cybersecurity domain to build large-scale systems- Proven expertise in developing recommendation systems, access approval platforms, user access review platforms, and source code security analyzers- Skilled in identity and access management (IAM), authentication, and authorization.
Experience
Staff Security Engineer
Oct 2023 — Present · San Francisco, CA, US
UTL of Access Management - AI driven access approval, Scalable access discovery - Just-in-time (JIT) access, Privileged Access Management (PAM), Group Membership Management, Unified Authorization PlatformKey projects: AI-Driven Access Approval & Analysis. Founded and led the strategy for an AI-driven access approval system. Designed a recommender architecture that utilized a model stacking approach to orchestrate both traditional machine learning models and Large Language Models (LLMs). Led the team to build an adaptive, context-aware recommendation system for group membership approval and user access review (UAR). Source Code Security Analyzer. Built a source code analyzer using an LLM to scan source code, configurations, and databases to discover access paths at scale. Privileged Access Management (PAM). Defined and executed the strategy of Privileged Access Management (PAM). Designed and led the development of a unified just-in-time platform (JIT), consolidating 5 one off asset-specific solutions. Secured IAM systems, production host access, container access, cloud access, DB access.
Education
Stanford University
Master's degree, Electrical, Electronics and Communications Engineering
2010 — 2012
Coursera
Computer Science
National Taiwan University
Bachelor's degree, Electrical, Electronics and Communications Engineering
2005 — 2009
Skills
- Solaris
- Windows
- Bash
- Matlab
- Machine Learning
- Octave
- Hadoop
- Networking
- C++
- Smb
- Tensorflow
- Java
- Interoperability
- C
- Programming
- Software Development
- Network-Attached Storage (Nas)
- Python
- Spark
- Authentication
- Distributed Systems
- Kerberos
- Ntlm
- Active Directory
- Unix
- Windows Server
- Php
- Mapreduce
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