ADDSec: Artificial Diversity & Defense Security

Sandia National Laboratories Background
Networks and systems that monitor grids or other critical infrastructure environments use predictable communications and static configurations, making them vulnerable to attack. Sandia researchers have developed a technology that automatically detects and responds to potential threats in under 1 millisecond—preventing an attack that can have a devastating impact on the nation’s economy and public health and safety.
Technology Overview
Sandia’s detection approach is a set of machine learning algorithms that recognizes anomalous behavior and then subsequently classifies those anomalies into categories of attacks ().
Depending on the attack categorization, an appropriate response is activated to mitigate the detected threat. The responses include several moving target defense strategies that modify the underlying environment so that the attack must be re-targeted by the adversary. The moving target defense strategies include randomizing Internet Protocol (IP) addresses, application port numbers, communication paths, and application library function locations. This technology is being applied towards Industrial Control Systems (ICS), which requires real-time detection and response to maintain high levels of availability. For wide-scale industry adoption, these detection and response algorithms have been demonstrated to successfully inter-operate with several commercial and open source solutions currently available.
Stage of Development
Sandia estimates this technology at a Technology Readiness Level (TRL) 6/7. Representative of the deliverable demonstrated in relevant environments.

Real-time detection and response to threats (under 1 millisecond)
Automates network monitoring and surveillance
Utilizes a “moving target defense” approach to improve security
Proven on a representative industrial control system

Any critical infrastructure environment such as utilities and power grid, finance, and telecommunications.
This technology is available.
Sandia National Laboratories is a multimission laboratory managed and operated by National Technology and Engineering Solutions of Sandia, LLC, a wholly owned subsidiary of Honeywell International Inc., for the U.S. Department of Energy’s National Nuclear Security Administration under contract DE-NA-0003525. SAND2019-3525 M.

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