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Related papers: Assessing the risk of advanced persistent threats

200 papers

Threat hunting is a proactive methodology for exploring, detecting and mitigating cyberattacks within complex environments. As opposed to conventional detection systems, threat hunting strategies assume adversaries have infiltrated the…

Cryptography and Security · Computer Science 2023-10-09 Ángel Casanova Bienzobas , Alfonso Sánchez-Macián

We review the current status and research challenges in the area of cyber security often called continuous monitoring and risk scoring (CMRS). We focus on two most salient aspects of CMRS. First, continuous collection of data through…

Cryptography and Security · Computer Science 2015-12-29 Alexander Kott , Curtis Arnold

Although risk awareness is fundamental to an online operating agent, it has received less attention in the challenging continuous domain and under partial observability. This paper presents a novel formulation and solution for risk-averse…

Artificial Intelligence · Computer Science 2023-02-22 Andrey Zhitnikov , Vadim Indelman

Human uplift studies, or studies that measure the effects of AI access on human performance via randomized controlled trials (RCT) or similar methodologies, increasingly inform frontier AI governance and deployment decisions. While RCT…

This paper considers a risk-constrained infinite-horizon optimal control problem and proposes to solve it in an iterative manner. Each iteration of the algorithm generates a trajectory from the starting point to the target equilibrium state…

Optimization and Control · Mathematics 2021-11-29 Alireza Zolanvari , Ashish Cherukuri

Advanced Persistent Threats (APTs) pose a severe challenge to cyber defense due to their stealthy behavior and the extreme class imbalance inherent in detection datasets. To address these issues, we propose a novel active learning-based…

Machine Learning · Computer Science 2025-08-27 Sidahmed Benabderrahmane , Talal Rahwan

From biotechnology to cyber-risks, most extreme technological risks cannot be reliably estimated from historical statistics. Therefore, engineers resort to predictive methods, such as fault/event trees in the framework of probabilistic…

Physics and Society · Physics 2014-08-26 D. Sornette , T. Maillart , W. Kroeger

This paper deals with the detection and prediction of losses due to cyber attacks waged on vital networks. The accumulation of losses to a network during a series of attacks is modeled by a 2-dimensional monotone random walk process as…

Probability · Mathematics 2019-01-23 Jewgeni H. Dshalalow , Ryan T. White

Cyber risk refers to the risk of defacing reputation, monetary losses, or disruption of an organization or individuals, and this situation usually occurs by the unconscious use of cyber systems. The cyber risk is unhurriedly increasing day…

Cryptography and Security · Computer Science 2024-04-02 Fatama Tuz Johora , Md Shahedul Islam Khan , Esrath Kanon , Mohammad Abu Tareq Rony , Md Zubair , Iqbal H. Sarker

Changes in technology have resulted in new ways for bankers to deliver their services to costumers. Electronic banking systems in various forms are the evidence of such advancement. However, information security threats also evolving along…

Computers and Society · Computer Science 2010-07-05 Irfan Syamsuddin , Junseok Hwang

When investing in cyber security resources, information security managers have to follow effective decision-making strategies. We refer to this as the cyber security investment challenge. In this paper, we consider three possible…

Computer Science and Game Theory · Computer Science 2015-02-20 Andrew Fielder , Emmanouil Panaousis , Pasquale Malacaria , Chris Hankin , Fabrizio Smeraldi

We study a novel multi-armed bandit problem that models the challenge faced by a company wishing to explore new strategies to maximize revenue whilst simultaneously maintaining their revenue above a fixed baseline, uniformly over time.…

Machine Learning · Statistics 2016-02-16 Yifan Wu , Roshan Shariff , Tor Lattimore , Csaba Szepesvári

Insider threats entail major security issues in geopolitics, cyber risk management and business organization. The game theoretic models proposed so far do not take into account some important factors such as the organisational culture and…

Cryptography and Security · Computer Science 2019-11-25 Chaitanya Joshi , David Rios Insua , Jesus Rios

In this paper, we investigate the control of a cyber-physical system (CPS) while accounting for its vulnerability to external attacks. We formulate a constrained stochastic problem with a robust constraint to ensure robust operation against…

Optimization and Control · Mathematics 2024-07-18 Nishanth Venkatesh , Aditya Dave , Ioannis Faros , Andreas A. Malikopoulos

Although general-purpose AI systems offer transformational opportunities in science and industry, they simultaneously raise critical concerns about safety, misuse, and potential loss of control. Despite these risks, methods for assessing…

Computers and Society · Computer Science 2025-12-12 Malcolm Murray , Steve Barrett , Henry Papadatos , Otter Quarks , Matt Smith , Alejandro Tlaie Boria , Chloé Touzet , Siméon Campos

Several approaches have been used to assess the performance of cyberphysical systems and their exposure to various types of risks. Such assessments have become increasingly important as autonomous attackers ramp up the frequency, duration…

Cryptography and Security · Computer Science 2021-02-02 Alexandre Ligo , Alexander Kott , Igor Linkov

Collaboration among multiple organizations is imperative for contemporary intrusion detection. As modern threats become well sophisticated it is difficult for organizations to defend with threat context local to their networks alone.…

Cryptography and Security · Computer Science 2016-02-09 Sashank Dara , V. N. Muralidhara

Context:With the advancement of artificial intelligence (AI) technology and applications, numerous AI models have been developed, leading to the emergence of open-source model hosting platforms like Hugging Face (HF). Thanks to these…

Software Engineering · Computer Science 2024-08-07 Hao Qin , Mingyang Li , Junjie Wang , Qing Wang

The work deals with the risk assessment theory. An unitary risk algorithm is elaborated. The algorithm is based on parallel curves. The basic curve of risk is a hyperbolic curve, obtained as a multiplication between the probability of…

Risk Management · Quantitative Finance 2013-03-08 Nicolae Popoviciu , Floarea Baicu

Governments are increasingly turning to algorithmic risk assessments when making important decisions, such as whether to release criminal defendants before trial. Policymakers assert that providing public servants with algorithmic advice…

Human-Computer Interaction · Computer Science 2021-08-16 Ben Green , Yiling Chen