Para tuitar sem surpresas desagradáveis
Bastou que o Twitter se tor nasse a moda do momento para que os hackers de plantão fi cassem de olho grande, trans formando o ambiente do mi croblog em um dos alvos pre feridos de seus ataques digitais. As iscas mais usadas para esses ataques, como acontece tam bém com o e-mail tradicional, valem-se de características tí picas da natureza humana: cu riosidade, inocência e ganância. Mas os antídotos para se pro teger, segundo especialistas, são simples, como clicar somente em links publicados por con tatos conhecidos, entre outros.Tweets sensacionalistas, bombásticos ou dramáticos sobre acontecimentos recen tes e importantes são veículos ideais para divulgar armadi lhas. São os chamados ataques por "engenharia social". Muita gente, por exemplo, caiu em golpes no Twitter por causa de mensagens e campanhas fal sas relacionadas à recente trí plice catástrofe no Japão - terremoto, maremoto e vaza mento de radiação.Homem totalmente pelado surge na tela: vexamePela intensidade e varie dade dos ataques via Twitter, é muito difícil contabilizar esses ataques.- Infelizmente é muito di fícil obter números certeiros sobre ataques ou campanhas maliciosas via Twitter - ex plica Joaquin Rodríguez Vare la, engenheiro do Laboratório de Malware da empresa de segurança Eset, responsável pela América Latina. - O mo tivo é que novos golpes apa recem todo dia. Além disso, alguns ataques são maciços e só mesmo os funcionários do Twitter poderiam determinar o percentual deles que teve sucesso.Varela destaca que, pelo Twitter, mesmo um ataque que tenha apenas 5% de efetivi dade pode ser considerado um sucesso pelos hackers, pois pode representar centenas de milhares de vítimas.Para ajudar o frequenta dor do Twitter a não se meter em encrenca, os especialis tas do Laboratório de Pes quisa em Ameaças da Eset, localizado em Buenos Aires, recomendam alguns procedi mentos simples.Primeiramente, procure cli car somente em links publi cados por contatos conheci dos. Isso não garante 100% de segurança, mas diminui bas tante os riscos de contami nação. Evite também seguir contatos desconhecidos e sair confiando cegamente neles. Com isso, diminui a possibi lidade de receber mensagens contendo armadilhas.Se o seu instinto tocar um sininho, levando você a sus...
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