DARPA’s Active Cyber Defense (ACD) program is designed to help reverse the existing imbalance by providing cyber defenders a “home field” advantage: the ability to perform defensive operations that involve direct engagement with sophisticated adversaries in …

Dec 12, 2024 · The ACD approach combines countermeasures designed for real-time threat detection and mitigation with the capability of taking offensive actions against threats. Defenders can take these offensive actions within or outside of their network.

Activity-centered design (ACD) is an extension of the Human-centered design paradigm in interaction design. [1] ACD features heavier emphasis on the activities that a user would perform with a given piece of technology.

In this paper, we design and evaluate an Autonomous Cyber Defence (ACD) agent to monitor and act within critical network segments connected to untrusted infrastructure hosting active adversaries.

Jan 20, 2025 · A subset of cyber defense, Active Cyber Defense (ACD) focuses on the integration and automation of many services and mechanisms to execute response actions in cyber-relevant time.

ACD is defined here as the proactive detection, analysis and mitigation of network security breaches in real-time combined with the use of aggressive countermeasures deployed outside the victim network. Once defined, ACD is contextualised alongside two further approaches to cyber defence and security.

Nov 14, 2017 · Active cyber defense (ACD) is an important but ill-defined concept in cyber security. This Trend Analysis (TA) aims to provide some conceptual clarity for the benefit of practitioners,...

Jan 26, 2023 · The very early ACD approaches aimed for graceful degradation against attacks. Sensor-actuator loops, pre-programmed middleware-based integration of defense mechanism, and application software for defensive response to …

Active cyber defense (ACD) is one mode adopted by a number of in-ternational actors. ACD is a concept predicated upon de-ploying tools to not only identify and stop cyber inci-dents as they are occurring, but also taking offensive measures to minimize attackers’ capabilities.

Jan 31, 2025 · We address both challenges via an empirical game-theoretic analysis of deep reinforcement learning (DRL) approaches for ACD using the principled double oracle (DO) algorithm.