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Record W4387695707 · doi:10.9734/bpi/ratmcs/v5/6514c

A Breakthrough of Digital Assets Security in Crypto Insurance: Cyber Risk Prediction Models

2023· book-chapter· en· W4387695707 on OpenAlexaff
Meng Sun

Bibliographic record

Venuenot available
Typebook-chapter
Languageen
FieldComputer Science
TopicNetwork Security and Intrusion Detection
Canadian institutionsSimon Fraser University
Fundersnot available
KeywordsRange (aeronautics)Computer scienceCovariateEconometricsRisk managementAggregate (composite)Expectation–maximization algorithmData miningStatisticsEngineeringMathematicsEconomicsMaximum likelihoodFinance

Abstract

fetched live from OpenAlex

We use unsupervised cluster analysis to divide the world into geographically distinct groups and then use our proposed model to analyze the Privacy Right Clearinghouse (PRC) data breach chronology. We model zero losses using a covariate-dependent probability, moderate losses using a finite mixture distribution, and large losses using an extreme value distribution to capture the heavy-tailed nature of the loss data. The risks and opportunities that digital technologies, devices and media bring us are manifest. Cyber risk is never a matter purely for the IT team. An organisation's risk management function needs a thorough understanding of the constantly evolving risks, as well as the practical tools and techniques available to address them. It is challenging to model the whole range of losses using a typical loss distribution when considering cyber losses in terms of the number of records exposed as a result of cyber events since these losses frequently include a significant share of zeros, distinct characteristics of mid-range losses, and high losses. By suggesting a three-component splicing regression model that can concurrently simulate zeros, moderate, and substantial losses as well as take into account heterogeneous effects in mixture components, we attempt to solve this modeling dificulty. Parameters and coeffcients are estimated using the Expectation Maximization (EM) algorithm. Combining with our frequency model (generalized linear mixed model) for data breaches, aggregate loss distributions are investigated and applications on cyber insurance pricing and risk management are discussed.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.003
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.010
Threshold uncertainty score0.020

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.003
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0010.001
Science and technology studies0.0000.001
Scholarly communication0.0010.002
Open science0.0010.001
Research integrity0.0010.002
Insufficient payload (model declined to judge)0.0020.001

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.019
GPT teacher head0.223
Teacher spread0.204 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designSimulation or modeling
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations1
Published2023
Admission routes1
Has abstractyes

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