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A engenharia social e os perigos do phishing

Authors: Gomes, Vanessa Alexandra Nunes;

A engenharia social e os perigos do phishing

Abstract

A Engenharia Social e a técnica do phishing são temas que têm evoluído cada mais ao longo dos anos, principalmente através do email, uma das ferramentas mais utilizadas no mundo. Os emails de phishing normalmente estão relacionadas com Engenharia Social e podem-se propagar através de links e/ou anexos contidos neste tipo de email. O utilizador quando faz download de um anexo, pode estar automaticamente a descarregar software malicioso e dar ao atacante (hacker), o controlo total do computador, sem que se aperceba. Através dos links, o utilizador pode divulgar as suas credenciais ou outro tipo de informação pessoal/confidencial, uma vez que pode não perceber que está a ser redirecionado para um remetente malicioso. Diversos estudos já realizados indicam que existem cada vez mais ataques deste tipo e cada vez com mais impacto na população. Por seu lado, a população não está ciente dos perigos que poderá encontrar ao carregar neste tipo de emails ou noutra forma de propagação de phishing. A presente dissertação aborda o tema do phishing através do email e pretende definir métodos de prevenção para este tipo de crime informático. Numa primeira fase foram realizadas entrevistas a profissionais da área de Segurança Informática, com intuito de perceber mais sobre este tema. Posteriormente, realizou-se um questionário online, de forma a averiguar o conhecimento dos inquiridos em relação a este tema e identificar medidas que são usadas por eles antes e após um ataque informático. No final serão feitas as conclusões de forma a atingir os objetivos desta investigação.

Social Engineering and phishing technique are subjects that have been evolving as the years pass, mainly through email, which is one of the most used communication tools in the world. Phishing emails are usually related to Social Engineering and can be propagated through links and/or attachments contained in this type of email. When downloading an attachment, the user can automatically activate the malicious software and allow the attacker (hacker), the complete control of the computer, without being aware of it. Through the links, you may disclose your credentials or other personal/confidential information, as you may not notice that you are being redirected to a malicious sender. Several studies already carried out indicate that there are more and more attacks of this kind and with increasing impact on the population. On the other hand, the population is not aware of the dangers they may encounter when uploading this type of emails or other form of phishing propagation. The present dissertation addresses the theme of phishing through email and aims to define prevention methods for this type of computer crime. Initially, interviews were conducted professionals in the area of Computer Security, in order to understand more about this topic. Subsequently, an online questionnaire was conducted to ascertain the respondents' knowledge of this topic and to identify measures that are used by them before and after a computer attack. In the end the conclusions will be made in order to reach the objectives of this investigation.

Country
Portugal
Keywords

Segurança da informação, Prevention methods, Cybersecurity, Information security, Cibersegurança, Métodos de prevenção, :Engenharia e Tecnologia::Outras Engenharias e Tecnologias [Domínio/Área Científica], Social engineering, Email de phishing, Phishing email, Domínio/Área Científica::Engenharia e Tecnologia::Outras Engenharias e Tecnologias, Hacker, Engenharia social

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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