Inventors
Lakshminarasimhan Sethumadhavan
View all technologies
MUSE: A More Efficient Error Correcting Software
CU21290
MUSE delivers resource-efficient error correction with simple math, enabling high accuracy, low overhead data storage and transmission.
Tags
Algorithm
Aliasing
Data security
Inventors
Lakshminarasimhan Sethumadhavan
Evgeny Manzhosov
Manager
Greg Maskel
Departments
Computer Science
Divisions
Fu Foundation School of Engineering and Applied Science (SEAS)
Release Date
2022-06-19
Improving N-variant systems using phantom address spaces
CU19308
Phantom address spaces cut N-variant system overhead, enabling efficient anomaly detection and stronger ROP defense.
Tags
Cloud computing
Computer network
Encryption
Inventors
Lakshminarasimhan Sethumadhavan
Evgeny Manzhosov
Miguel A. Arroyo
Manager
Greg Maskel
Departments
Computer Science
Divisions
Fu Foundation School of Engineering and Applied Science (SEAS)
Release Date
2020-11-02
Hybrid hardware-software method to enhance computer memory safety
CU18053
Concise hardware-software framework enables byte-level memory safety with ~1.02x–1.16x overhead, low hardware impact.
Tags
Blacklisting
Computer security
Debugging
Inventors
Lakshminarasimhan Sethumadhavan
Kanad Sinha
Manager
Greg Maskel
Departments
Computer Science
Divisions
Fu Foundation School of Engineering and Applied Science (SEAS)
Release Date
2018-05-21
Microprocessor Security Threats Disabled with Hardware Backdoor Detection
M11-028
Hardware backdoors in microprocessors halted at run-time via remote resets and simple cryptography; enables secure, remediated devices.
Tags
Cryptography
Integrated circuit
Intellectual property
Inventors
Lakshminarasimhan Sethumadhavan
Adam Waksman
Manager
Greg Maskel
Departments
Computer Science
Divisions
Fu Foundation School of Engineering and Applied Science (SEAS)
Release Date
2011-07-08
Instruction-set randomization enhances computer security by enabling system diversity at the lowest hardware/software interface
CU13367
Hardware-based instruction-set randomization diversifies systems with near-zero overhead, boosting security against code injection and attacks.
Tags
Encryption
Field-programmable gate array
Instruction set architecture
Inventors
Lakshminarasimhan Sethumadhavan
Angelos D. Keromytis
Kanad Sinha
Manager
Greg Maskel
Departments
Computer Science
Divisions
Fu Foundation School of Engineering and Applied Science (SEAS)
Release Date
2015-05-14
Automated clone detection algorithm for characterizing programs
CU15182
DyCLINK dynamically detects exact and near-match code clones using instruction graphs, accelerating search, refactoring, and plagiarism detection.
Tags
Algorithm
Code refactoring
Control flow
Inventors
Lakshminarasimhan Sethumadhavan
Fang-Hsiang Su
Gail Kaiser
Manager
Greg Maskel
Departments
Computer Science
Divisions
Fu Foundation School of Engineering and Applied Science (SEAS)
Release Date
2016-03-11
Microprocessor Performance Counters with Software Interface, LiMiT
M11-029
Fast, low-overhead user-space toolkit for precise microprocessor performance counters and deterministic multithreaded scheduling.
Tags
Central processing unit
Computer security
Database
Inventors
Lakshminarasimhan Sethumadhavan
John Demme
Manager
Greg Maskel
Departments
Computer Science
Divisions
Fu Foundation School of Engineering and Applied Science (SEAS)
Release Date
2011-07-08
CALIFORMS - Efficient memory access with improved cache structure
CU18384
Efficient in-cache metadata storage with inline pointers; 64x overhead reduction enables fast, memory-safe data access.
Tags
Byte
CPU cache
Cache (computing)
Inventors
Lakshminarasimhan Sethumadhavan
Luca Carloni
Manager
Greg Maskel
Departments
Computer Science
Divisions
Fu Foundation School of Engineering and Applied Science (SEAS)
Release Date
2020-02-14
Improved security architecture for cyber-physical systems using rebooting and diversification
CU16331
YOLO CPS security: periodic micro-reboots with program diversification to curb attacks, using inertia to preserve operation.
Tags
Computer security
Drug delivery
Industrial control system
Inventors
Lakshminarasimhan Sethumadhavan
Jonathan Weisz
Miguel A. Arroyo
Manager
Greg Maskel
Departments
Computer Science
Divisions
Fu Foundation School of Engineering and Applied Science (SEAS)
Release Date
2018-03-09
Timing obfuscation to prevent side channel attacks and improve computer security
CU12252
Obscures execution timing with nanosecond random delays to thwart side-channel attacks, preserving performance across OSes and apps.
Tags
Cloud computing
Computer architecture
Computer security
Inventors
Lakshminarasimhan Sethumadhavan
Robert Martin
Manager
Greg Maskel
Departments
Computer Science
Divisions
Fu Foundation School of Engineering and Applied Science (SEAS)
Release Date
2014-08-25
On-chip security circuit for protection against hardware tampering
CU14190
Beacon circuit flags hardware tampering across design and fabrication, crippling tampered devices and signaling breaches via unique power readouts.
Tags
Computer security
Mobile device
Semiconductor fabrication plant
Inventors
Lakshminarasimhan Sethumadhavan
Adam Waksman
Manager
Greg Maskel
Departments
Computer Science
Divisions
Fu Foundation School of Engineering and Applied Science (SEAS)
Release Date
2015-08-24
On-chip microprocessor security for defense against malicious hardware attacks
M10-061
On-chip security detects insider hardware attacks via TrustNet and DataWatch, monitoring inter-component communication to reveal tampering.
Tags
Computer security
Logic gate
Microprocessor
Inventors
Lakshminarasimhan Sethumadhavan
Adam Waksman
Manager
Greg Maskel
Departments
Computer Science
Divisions
Fu Foundation School of Engineering and Applied Science (SEAS)
Release Date
2015-06-29
Low-overhead robust malware detection using hardware performance counters
CU13241
Hardware-based malware detection using non-linear ML on runtime hardware counters; low overhead, robust against zero-days and side-channel attacks.
Tags
Antivirus software
Communication
Machine learning
Inventors
Lakshminarasimhan Sethumadhavan
Adrian Tang
Jared Schmitz
Manager
Greg Maskel
Departments
Computer Science
Divisions
Fu Foundation School of Engineering and Applied Science (SEAS)
Release Date
2015-09-23
