{"id":98030,"date":"2019-12-13T15:32:08","date_gmt":"2019-12-13T23:32:08","guid":{"rendered":"\/blogs\/?p=98030"},"modified":"2023-04-30T09:15:37","modified_gmt":"2023-04-30T16:15:37","slug":"15-dicas-para-senhas-mais-seguras","status":"publish","type":"post","link":"https:\/\/www.mcafee.com\/blogs\/pt-br\/seguranca-na-internet\/15-dicas-para-senhas-mais-seguras\/","title":{"rendered":"Ideias de senha: 15 dicas para senhas mais seguras"},"content":{"rendered":"

A despeito de inova\u00e7\u00f5es como reconhecimento digital ou facial para fazer o login em nossos dispositivos, as senhas ainda s\u00e3o amplamente usadas para acessar contas on-line. V\u00e1rios usu\u00e1rios da internet afirmam sentir “fadiga de senhas”. Estima-se que funcion\u00e1rios de empresas gastem <\/span>10 horas por ano<\/span><\/a>\u00a0fazendo\u00a0login\u00a0em\u00a0contas.<\/span>\u00a0<\/span><\/p>\n

Por outro\u00a0lado,\u00a0considerando\u00a0que\u00a0assustadores\u00a0<\/span>81% dos vazamentos de dados<\/span><\/a> s\u00e3o ocasionados por hackers se aproveitando de senhas fracas ou reutilizadas, \u00e9 necess\u00e1rio encontrar formas melhores de tornar nossas senhas mais seguras e nos comprometermos a us\u00e1-las.<\/span>\u00a0<\/span>Primeiramente, tire um tempo para\u00a0aprender\u00a0como\u00a0e\u00a0porque\u00a0hackers\u00a0t\u00eam\u00a0tanto\u00a0sucesso\u00a0decifrando\u00a0senhas\u00a0fracas.<\/span>\u00a0<\/span><\/p>\n

Como os hackers descobrem suas senhas<\/span>:<\/span><\/b>\u00a0<\/span><\/h2>\n

Ataques\u00a0com\u00a0dicion\u00e1rio<\/span><\/b>\u00a0<\/span><\/h3>\n

Este tipo de ataque ocorre quando um hacker usa um script que testa palavras do dicion\u00e1rio, combinando-as com n\u00fameros e outras varia\u00e7\u00f5es at\u00e9 desvendar sua senha. Portanto, \u00e9 extremamente importante usar uma senha complexa que n\u00e3o seja facilmente decifrada em <\/span>uma fra\u00e7\u00e3o de segundo<\/span><\/a> com ferramentas como\u00a0<\/span>John the Ripper<\/span><\/a>\u00a0que\u00a0podem\u00a0ser\u00a0encontradas\u00a0na\u00a0internet.<\/span>\u00a0<\/span>\u00a0<\/span><\/p>\n

Para se esquivar de ataques com dicion\u00e1rio, evite usar combina\u00e7\u00f5es de teclas como “qwerty” ou “asdfg”. N\u00e3o use palavras que possam ser encontradas no dicion\u00e1rio, g\u00edrias, palavras com erros ortogr\u00e1ficos comuns ou palavras escritas ao contr\u00e1rio. <\/span>
\n\u00a0<\/span><\/p>\n

Decifrando\u00a0perguntas\u00a0de\u00a0seguran\u00e7a<\/span><\/b>\u00a0<\/span><\/h3>\n

\u00a0<\/span>Ao clicar em um link de “Esqueci a senha”, \u00e9 solicitado que voc\u00ea responda a pelo menos uma pergunta. Evite respostas que usem nomes de familiares ou bichos de estima\u00e7\u00e3o, ou ainda outras informa\u00e7\u00f5es que possam ser encontradas em seus perfis em redes sociais. Lembre-se: as respostas n\u00e3o precisam ser verdadeiras, basta que sejam algo de que voc\u00ea se lembre. Escolha respostas aleat\u00f3rias que os hackers n\u00e3o decifrar\u00e3o t\u00e3o facilmente.<\/span>\u00a0<\/span><\/p>\n

Senhas\u00a0simples\u00a0ou\u00a0reutilizadas:<\/span><\/b><\/h3>\n

Embora\u00a0seja\u00a0dif\u00edcil\u00a0de\u00a0acreditar, “123456” e “111111”\u00a0ainda\u00a0s\u00e3o\u00a0algumas\u00a0<\/span>das senhas mais usadas<\/span><\/a>,\u00a0sendo\u00a0desvendadas\u00a0quase\u00a0instantaneamente.\u00a0Prefira\u00a0usar\u00a0algo\u00a0complexo\u00a0e que\u00a0n\u00e3o\u00a0envolvam\u00a0informa\u00e7\u00f5es\u00a0pessoais,\u00a0como\u00a0seu\u00a0nome,\u00a0idade, data de\u00a0nascimento;\u00a0nomes\u00a0de\u00a0filhos\u00a0ou\u00a0animais\u00a0de\u00a0estima\u00e7\u00e3o;\u00a0ou\u00a0sua\u00a0cor\u00a0ou\u00a0m\u00fasica\u00a0favorita, pois\u00a0podem\u00a0ser\u00a0facilmente\u00a0decifrados.<\/span>\u00a0<\/span><\/p>\n

J\u00e1 devemos estar cientes tamb\u00e9m de nunca reutilizar senhas, especialmente para contas de e-mail, internet banking e redes sociais, pois podem facilitar tentativas de roubo de identidade. Mesmo assim, <\/span>mais da metade<\/span><\/a>\u00a0de\u00a0n\u00f3s\u00a0ainda\u00a0insiste\u00a0nessa\u00a0pr\u00e1tica.<\/span>\u00a0<\/span><\/p>\n

Engenharia\u00a0social<\/span><\/b>\u00a0<\/span><\/h3>\n

Trata-se de um tipo de mentira bastante elaborada. Uma alternativa \u00e0 pr\u00e1tica tradicional dos hackers, \u00e9 o ato de manipular outras pessoas a agirem de certa forma ou divulgarem informa\u00e7\u00f5es confidenciais.<\/span>\u00a0<\/span><\/p>\n

Como criar senhas fortes:<\/span><\/b>\u00a0<\/span><\/h3>\n
    \n
  1. Use um gerenciador de senhas<\/strong><\/span>\u00a0capazes\u00a0de\u00a0criar\u00a0e\u00a0memorizar\u00a0senhas\u00a0fortes e\u00a0complexas. Caso\u00a0voc\u00ea\u00a0escolha\u00a0um\u00a0<\/span>software robusto de seguran\u00e7a<\/span><\/a>,\u00a0geralmente\u00a0est\u00e1\u00a0incluso\u00a0um\u00a0gerenciador\u00a0de\u00a0senhas.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
      \n
    1. Cason\u00e3ouse um\u00a0gerenciador\u00a0de\u00a0senhas,\u00a0aprenda\u00a0a\u00a0<\/span>usar\u00a0frases\u00a0como\u00a0senhas<\/span><\/b>\u00a0que\u00a0sejam\u00a0mais\u00a0complexas\u00a0do que\u00a0senhas\u00a0tradicionais, mas\u00a0sejam\u00a0f\u00e1ceis\u00a0de\u00a0memorizar. Uma\u00a0senha\u00a0em\u00a0formato\u00a0de\u00a0frase\u00a0costuma\u00a0ser\u00a0composta\u00a0por\u00a0uma\u00a0sequ\u00eancia\u00a0de\u00a0palavras\u00a0intercaladas\u00a0com\u00a0n\u00fameros\u00a0e\u00a0s\u00edmbolos. Por\u00a0exemplo, a\u00a0frase\u00a0“Melville’s Moby Dick Has Over 94,000 Words”\u00a0pode\u00a0ser\u00a0usada\u00a0como\u00a0“M’sMDho9*4000wds!!”.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
        \n
      1. Tamb\u00e9m \u00e9 poss\u00edvel usar o teclado para criar formas. Por exemplo, tente tra\u00e7ar as teclas %tgbHU8* em seu teclado. O formato tra\u00e7ado \u00e9 um “V”. Voc\u00ea pode tra\u00e7ar um “V” iniciando em qualquer uma das teclas no topo do teclado. Para alterar periodicamente, voc\u00ea pode mover a tecla inicial ao longo do teclado. Tente o formato de “W” se voc\u00ea quiser apimentar as coisas.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
          \n
        1. Certifique-se deusar\u00a0senhas\u00a0diferentes\u00a0para\u00a0cada\u00a0uma\u00a0de\u00a0suas\u00a0contas.<\/span>
          \n\u00a0<\/span><\/li>\n
        2. Certifique-se de queningu\u00e9m\u00a0est\u00e1\u00a0observando\u00a0ao\u00a0inserir\u00a0sua\u00a0senha.\u00a0Sempre\u00a0fa\u00e7a\u00a0o logoff\u00a0caso\u00a0se\u00a0afaste\u00a0de\u00a0seu\u00a0dispositivo\u00a0e\u00a0houver\u00a0algu\u00e9m\u00a0por\u00a0perto.\u00a0Poucos\u00a0instantes\u00a0s\u00e3o\u00a0suficientes\u00a0para\u00a0roubar\u00a0ou\u00a0alterar\u00a0sua\u00a0senha.<\/span>
          \n\u00a0<\/span><\/li>\n
        3. Use um software deseguran\u00e7a\u00a0abrangente<\/span><\/b>\u00a0e\u00a0mantenha-o\u00a0atualizado\u00a0para\u00a0evitar\u00a0vulnerabilidades\u00a0para\u00a0<\/span>keyloggers<\/span><\/a>\u00a0e outros\u00a0<\/span>malwares<\/span><\/a>.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
            \n
          1. Evitedigitarsenhas\u00a0em\u00a0computadores\u00a0que\u00a0voc\u00ea\u00a0n\u00e3o\u00a0controle\u00a0(como\u00a0computadores\u00a0em\u00a0cibercaf\u00e9s\u00a0ou\u00a0bibliotecas), pois\u00a0estes\u00a0podem\u00a0ter\u00a0malwares\u00a0instalados\u00a0capazes\u00a0de\u00a0roubar\u00a0sua\u00a0senha.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
              \n
            1. Evitedigitarsenhas\u00a0ao\u00a0usar\u00a0conex\u00f5es\u00a0Wi-Fi\u00a0n\u00e3o\u00a0seguras\u00a0(como\u00a0em\u00a0aeroportos\u00a0ou\u00a0caf\u00e9s), pois hackers\u00a0s\u00e3o\u00a0capazes\u00a0de\u00a0interceptar\u00a0dados e\u00a0senhas\u00a0enviados\u00a0atrav\u00e9s\u00a0dessas\u00a0conex\u00f5es.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                \n
              1. N\u00e3ocompartilhe\u00a0sua\u00a0senha.\u00a0Seu\u00a0melhor\u00a0amigo de\u00a0hoje\u00a0pode\u00a0deixar\u00a0de ser no\u00a0futuro.\u00a0Mantenha\u00a0suas\u00a0senhas\u00a0seguras\u00a0mantendo-as\u00a0em\u00a0segredo.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n

                A\u00a0depender\u00a0de\u00a0qu\u00e3o\u00a0sens\u00edveis\u00a0s\u00e3o\u00a0as\u00a0informa\u00e7\u00f5es\u00a0protegidas,\u00a0talvez\u00a0seja\u00a0necess\u00e1rio\u00a0trocar\u00a0suas\u00a0senhas\u00a0periodicamente.<\/span>
                \n\u00a0<\/span><\/p>\n

                  \n
                1. Anotarsuas\u00a0senhas\u00a0n\u00e3o\u00a0\u00e9 um\u00a0problema,\u00a0basta\u00a0mant\u00ea-las\u00a0longe\u00a0de\u00a0seu\u00a0computador\u00a0e\u00a0misturadas\u00a0com outros\u00a0n\u00fameros\u00a0e\u00a0letras\u00a0de modo que\u00a0n\u00e3o\u00a0fique\u00a0bastante\u00a0aparente\u00a0que se\u00a0trata\u00a0de\u00a0uma\u00a0senha.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                    \n
                  1. Voc\u00eatamb\u00e9m\u00a0pode\u00a0anotar\u00a0dicas\u00a0para\u00a0ajudar\u00a0a\u00a0lembrar\u00a0da\u00a0senha, mas<\/span>que\u00a0n\u00e3o\u00a0contenham\u00a0a\u00a0senha. No\u00a0exemplo\u00a0anterior,\u00a0sua\u00a0dica\u00a0poderia\u00a0ser “Melville”<\/span>\u00a0<\/span><\/li>\n<\/ol>\n
                      \n
                    1. Verifiquese\u00a0sua\u00a0senha\u00a0\u00e9 forte. Se o site que\u00a0voc\u00ea\u00a0deseja\u00a0acessar\u00a0oferecer\u00a0uma\u00a0an\u00e1lise\u00a0da\u00a0for\u00e7a\u00a0da\u00a0senha,\u00a0siga\u00a0os\u00a0conselhos.<\/span>\u00a0<\/span><\/li>\n<\/ol>\n

                      Robert Siciliano \u00e9\u00a0especialista\u00a0em\u00a0roubo\u00a0de\u00a0identidade\u00a0e consultor da McAfee.\u00a0Veja\u00a0suas\u00a0dicas\u00a0sobre\u00a0<\/span><\/i>como se proteger de roubos de identidade\u00a0<\/span><\/i><\/a>em\u00a0CounterIdentityTheft.com.<\/span><\/i>\u00a0<\/span><\/p>\n

                      \u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

                      A despeito de inova\u00e7\u00f5es como reconhecimento digital ou facial para fazer o login em nossos dispositivos, as senhas ainda s\u00e3o…<\/p>\n","protected":false},"author":674,"featured_media":97854,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[11953,11968,11893],"tags":[12679],"coauthors":[16310,3973],"class_list":["post-98030","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seguranca-na-internet","category-dicas-e-truques-de-ciberseguranca","category-seguranca-familiar","tag-roubo-de-identidade-pt-br"],"acf":[],"yoast_head":"\nIdeias de senha: 15 dicas para senhas mais seguras | Blog da McAfee<\/title>\n<meta name=\"description\" content=\"A despeito de inova\u00e7\u00f5es como reconhecimento digital ou facial para fazer o login em nossos dispositivos, as senhas ainda s\u00e3o amplamente usadas para\" 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