{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T01:47:13Z","timestamp":1760233633868,"version":"build-2065373602"},"reference-count":20,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2021,2,8]],"date-time":"2021-02-08T00:00:00Z","timestamp":1612742400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","doi-asserted-by":"publisher","award":["SPET\u2013PTDC\/EEI-EEE\/029165\/2017"],"award-info":[{"award-number":["SPET\u2013PTDC\/EEI-EEE\/029165\/2017"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Processes"],"abstract":"<jats:p>In recent years Local Energy Markets (LEM) have emerged as an innovative and versatile energy trade solution. They bring benefits when renewable energy sources are used and are more flexible for consumers. There are, however, security concerns that put the feasibility of the local energy market at risk. One of these security challenges is the integrity of data in the smart-grid that supports the local market. In this article the LEM and the types of attacks that can have a negative impact on it are presented, and a security mechanism based on a trust model is proposed. A case study is elaborated using a multi-agent system called Local Energy Market Multi-Agent System (LEMMAS), capable of simulating the LEM and testing the proposed security mechanism.<\/jats:p>","DOI":"10.3390\/pr9020314","type":"journal-article","created":{"date-parts":[[2021,2,10]],"date-time":"2021-02-10T04:33:46Z","timestamp":1612931626000},"page":"314","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["The Impact of Attacks in LEM and Prevention Measures Based on Forecasting and Trust Models"],"prefix":"10.3390","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2356-3706","authenticated-orcid":false,"given":"Rui","family":"Andrade","sequence":"first","affiliation":[{"name":"GECAD\u2014Knowledge Engineering and Decision Support Research Centre, School of engineering, Polytechnic of Porto (ISEP\/IPP), 4200-072 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2519-9859","authenticated-orcid":false,"given":"Isabel","family":"Pra\u00e7a","sequence":"additional","affiliation":[{"name":"GECAD\u2014Knowledge Engineering and Decision Support Research Centre, School of engineering, Polytechnic of Porto (ISEP\/IPP), 4200-072 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9711-4850","authenticated-orcid":false,"given":"Sinan","family":"Wannous","sequence":"additional","affiliation":[{"name":"GECAD\u2014Knowledge Engineering and Decision Support Research Centre, School of engineering, Polytechnic of Porto (ISEP\/IPP), 4200-072 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1120-5656","authenticated-orcid":false,"given":"Sergio","family":"Ramos","sequence":"additional","affiliation":[{"name":"GECAD\u2014Knowledge Engineering and Decision Support Research Centre, School of engineering, Polytechnic of Porto (ISEP\/IPP), 4200-072 Porto, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2021,2,8]]},"reference":[{"key":"ref_1","unstructured":"Abidin, A., Aly, A., Cleemput, S., and Mustafa, M.A. (2021, February 07). 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