Inventor
KAIDI GEORGE CHEN
SG28 patents
Patents
28 patentsUS11425151B2Aug 23, 2022
Client-side attack detection via simulation
PAYPAL INC6 citations74
US11863526B2Jan 2, 2024
Dynamically routing network traffic between defense layers
PAYPAL INC2 citations72
US11558380B2Jan 17, 2023
Defending multi-factor authentication against phishing
PAYPAL INC2 citations72
US11489813B2Nov 1, 2022
Systems and methods for detecting and dynamically rate limiting account discovery and takeover attempts
PAYPAL INC2 citations72
US11363039B2Jun 14, 2022
Detection of data leaks using targeted scanning
PAYPAL INC5 citations72
US11252186B2Feb 15, 2022
Proxy server and navigation code injection to prevent malicious messaging attacks
PAYPAL INC2 citations72
US12056230B2Aug 6, 2024
Split one-time password digits for secure transmissions to selected devices
PAYPAL INC2 citations65
US12574410B2Mar 10, 2026
Network-based security with decoys and deceptive balancing
PAYPAL INC0 citations62
US11922375B2Mar 5, 2024
Security data points from an electronic message
PAYPAL INC0 citations62
US11838320B2Dec 5, 2023
Proxy server and navigation code injection to prevent malicious messaging attacks
PAYPAL INC0 citations62
US11611585B2Mar 21, 2023
Detection of privilege escalation attempts within a computer network
PAYPAL INC0 citations62
US11205156B2Dec 21, 2021
Security data points from an electronic message
PAYPAL INC0 citations62
US12373833B2Jul 29, 2025
Selection of electronic transaction processing channel and multi-factor user authentication
PAYPAL INC1 citations54
US12216774B2Feb 4, 2025
Dynamic and modular data classification engine
PAYPAL INC0 citations54
US12316650B2May 27, 2025
Computing system defenses to rotating IP addresses during computing attacks
PAYPAL INC0 citations51
US12284194B2Apr 22, 2025
Detecting malicious email addresses using email metadata indicators
PAYPAL INC0 citations51
US12177247B2Dec 24, 2024
Security engine audit rules to prevent incorrect network address blocking
PAYPAL INC0 citations51
US12034731B2Jul 9, 2024
Evaluating access requests using assigned common actor identifiers
PAYPAL INC0 citations51
US11870801B2Jan 9, 2024
Protecting computer system end-points using activators
PAYPAL INC0 citations51
US11853411B2Dec 26, 2023
User specific error detection for accepting authentication credential errors
PAYPAL INC0 citations51
US11811822B2Nov 7, 2023
Systems and methods for detecting and automatically blocking malicious traffic
PAYPAL INC0 citations51
US11762754B1Sep 19, 2023
Techniques for data log processing, retention, and storage
PAYPAL INC1 citations51
US11461744B2Oct 4, 2022
Introducing variance to online system access procedures
PAYPAL INC0 citations51
US11283817B2Mar 22, 2022
System to protect against password spraying
PAYPAL INC0 citations51
US11196761B2Dec 7, 2021
Security risk evaluation for user accounts
PAYPAL INC0 citations51
US11082437B2Aug 3, 2021
Network resources attack detection
PAYPAL INC0 citations51
US12353396B2Jul 8, 2025
Extensive-dimensional solutions for data lineage
PAYPAL INC0 citations49
US12346378B2Jul 1, 2025
Automated database query generation and analysis
PAYPAL INC0 citations44