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What are the latest techniques to secure your email and protect your privacy?

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Email is one of the most widely used and essential forms of communication in the business world. However, it also poses many risks and challenges for your privacy and security. Hackers, scammers, and snoops can access, intercept, or manipulate your messages, attachments, and contacts. To prevent these threats and protect your sensitive information, you need to use the latest techniques to secure your email and ensure your privacy. Here are some of the most effective and easy-to-implement methods that you can use today.

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Danilo Augusto Evangelista

Policial Federal

1 Use strong passwords and two-factor authentication

One of the simplest and most important ways to secure your email is to use strong and unique passwords for your accounts. A strong password should be at least 12 characters long, include a mix of letters, numbers, and symbols, and avoid common words or phrases. You should also change your passwords regularly and never reuse them for different accounts. Additionally, you should enable two-factor authentication (2FA) for your email providers. 2FA adds an extra layer of security by requiring you to enter a code or use a device to verify your identity when you log in from a new device or location. This way, even if someone steals or guesses your password, they won't be able to access your email without the second factor.

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Danilo Augusto Evangelista

Policial Federal
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Um exemplo real de como a seguran?a do e-mail é crucial pode ser visto no caso de uma m?e cujo laptop foi bloqueado por um ataque de ransomware1. Dois dias antes do Dia de A??o de Gra?as, o laptop da m?e de Alina foi atingido pelo CryptoWall, um malware de criptografia t?o poderoso que é quase impossível recuperar as informa??es. 5.726 arquivos foram bloqueados e, apesar de ter feito backup de seus arquivos 6 meses antes, ela decidiu que perder meio ano de fotos, documentos e outros arquivos era demais. Portanto, ela decidiu pagar o resgate1. Este incidente destaca a importancia de usar senhas fortes e autentica??o de dois fatores para proteger seu e-mail e sua privacidade.

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spencer will

Technical Specialist & medical genetics - University of Toronto - Medical School
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Using Webmail on Android or iPhone works. Employee can view and reply to all messages. Yes webmail login can be compromised but we set outbound limits to messages

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Ricardo Márquez

Perito Judicial en Informática y Electrónica Forense | Perito Judicial Experto en el Análisis de Evidencias Digitales | Técnico Junior en Ciberseguridad | Auditor y Consultor en Seguridad Informática
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Sim duda una contrase?a robusta es la primera linea de defensa y lo primero que intentarán atacar los ciberdelincuentes. Uno de los ejemplos más conocidos es el ataque contra la red de computadoras de Target en 2013. Los ciberdelincuentes accedieron a la red de la empresa utilizando las credenciales robadas de un proveedor externo que tenía acceso a la red de Target. Estas credenciales se obtuvieron a través de un ataque de phishing que explotó contrase?as débiles. Una vez dentro de la red, los atacantes pudieron moverse lateralmente y acceder a la información de millones de clientes, lo que resultó en uno de los mayores robos de datos en la historia de Estados Unidos.

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2 Encrypt your email and attachments

Another crucial technique to protect your email and privacy is to encrypt your messages and attachments. Encryption is a process that scrambles your data into a code that only you and the intended recipient can decipher. This prevents anyone else from reading or modifying your email content. There are different ways to encrypt your email, depending on your email service and software. Some email providers offer built-in encryption features, such as Gmail's confidential mode or Outlook's S/MIME. Alternatively, you can use third-party tools or plugins, such as ProtonMail or Mailvelope, that encrypt your email using a standard called PGP (Pretty Good Privacy). To encrypt your attachments, you can use software such as 7-Zip or VeraCrypt that create password-protected or encrypted files.

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Dr. Prasanth Nair

Ph.D. in Management ? Agile & Strategic HR Leader ? Global Talent Acquisition ? Performance & Retention Management ? HR Transformation ? Training & Development
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Protecting the confidentiality of electronic correspondence is of the utmost importance in the dynamic world of modern communication. Encrypting emails and their attachments is one of the newest and most successful methods. Only the person who is supposed to receive the email will be able to decode it if end-to-end encryption is used. Protecting critical information against unauthorised access during transmission, this offers an extra degree of security. Further strengthening the email security posture is the practice of encrypting attachments, which frequently include sensitive or valuable data. Professionals can improve the security of their communication by using encryption technology.

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Danilo Augusto Evangelista

Policial Federal
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Um exemplo notável da importancia da criptografia de e-mail ocorreu durante o infame vazamento de dados da Equifax em 2017. A Equifax, uma agência de relatórios de crédito ao consumidor, sofreu um vazamento de dados que exp?s as informa??es pessoais de cerca de 147 milh?es de pessoas. Uma das falhas que permitiram o vazamento foi um certificado digital expirado, que deixou de inspecionar o tráfego criptografado por dez meses. Durante esse tempo, os invasores conseguiram acesso à rede da Equifax e mantiveram esse acesso de meados de maio até o final de julho. Esse incidente destaca a importancia da gest?o adequada da criptografia de e-mail e como a falta dela pode levar a consequências devastadoras para as empresas.

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Ricardo Márquez

Perito Judicial en Informática y Electrónica Forense | Perito Judicial Experto en el Análisis de Evidencias Digitales | Técnico Junior en Ciberseguridad | Auditor y Consultor en Seguridad Informática
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Independientemente del método elegido, es importante seguir las mejores prácticas de seguridad, como utilizar contrase?as fuertes, mantener el software actualizado y educar a los usuarios sobre la importancia de proteger la información confidencial.

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3 Avoid phishing and spam emails

Phishing and spam emails are malicious messages that try to trick you into clicking on links, opening attachments, or providing personal or financial information. These emails can compromise your email security and privacy by infecting your device with malware, stealing your credentials, or impersonating you or your contacts. To avoid falling victim to these scams, you should always check the sender's address, the subject line, and the message body for any signs of fraud or deception. You should also never click on links or open attachments from unknown or suspicious sources, and always verify the authenticity of any requests or offers that seem too good to be true. Furthermore, you should use spam filters and antivirus software to block and remove unwanted or harmful emails.

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Danilo Augusto Evangelista

Policial Federal
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Um exemplo notável de um caso de phishing ocorreu com o banco sueco Nordea em 2007. Os phishers conseguiram enviar e-mails fraudulentos para os clientes do banco, atraindo-os para instalar o Trojan “haxdoor” disfar?ado de software anti-spam1. Como resultado, o banco perdeu mais de 7 milh?es de coroas suecas. Este incidente destaca a importancia de estar sempre alerta para e-mails de phishing e spam, e de tomar as medidas adequadas para proteger seu e-mail e sua privacidade.

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Ricardo Márquez

Perito Judicial en Informática y Electrónica Forense | Perito Judicial Experto en el Análisis de Evidencias Digitales | Técnico Junior en Ciberseguridad | Auditor y Consultor en Seguridad Informática
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Para evitar el phishing y los correos electrónicos no deseados, aquí hay algunas medidas que puedes tomar: 1. Educación y concienciación del usuario para que reconozcan las se?ales de phishing y los correos electrónicos no deseados. 2. Utiliza filtros de correo electrónico para bloquear o mover a la carpeta de spam los mensajes sospechosos. 3. Utiliza software de seguridad, instala software antivirus y antimalware. 4. Verifica la URL 5. No compartas información de carácter personal. 6. Utiliza autenticación de dos factores (2FA). 7. Mantén tus sistemas actualizados.

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4 Use secure networks and devices

Your email security and privacy also depend on the networks and devices that you use to access your email. If you use public or unsecured Wi-Fi networks, such as those in cafes, hotels, or airports, you expose your email to potential snooping or hacking by anyone on the same network. To prevent this, you should always use a virtual private network (VPN) when you connect to public or untrusted networks. A VPN encrypts your internet traffic and hides your IP address, making it harder for anyone to intercept or track your online activity. Similarly, if you use shared or unattended devices, such as computers in libraries, offices, or classrooms, you risk leaving your email account open or accessible to others. To avoid this, you should always log out of your email account and clear your browser history and cache after using a shared or unattended device.

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Danilo Augusto Evangelista

Policial Federal
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Um exemplo real da importancia de usar uma VPN e proteger sua conta de e-mail em dispositivos compartilhados ocorreu em 2012, quando o jornalista Mat Honan teve sua vida digital apagada em quest?o de minutos. Os hackers conseguiram acessar sua conta de e-mail através de uma rede Wi-Fi pública e, a partir daí, conseguiram redefinir senhas e apagar dados em vários de seus dispositivos e contas online. Este incidente destaca a importancia de sempre usar uma VPN ao acessar o e-mail em redes públicas ou n?o confiáveis, e de sempre sair da conta de e-mail e limpar o histórico e o cache do navegador depois de usar um dispositivo compartilhado ou aut?nomo.

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Ricardo Márquez

Perito Judicial en Informática y Electrónica Forense | Perito Judicial Experto en el Análisis de Evidencias Digitales | Técnico Junior en Ciberseguridad | Auditor y Consultor en Seguridad Informática
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Si no usamos redes seguras: 1. Riesgo de interceptación de datos: Las redes públicas, como las redes Wi-Fi en cafeterías, aeropuertos o hoteles, pueden ser inseguras y propensas a la interceptación de datos por parte de terceros malintencionados. 2. Exposición a malware: Los dispositivos no asegurados pueden estar infectados con malware que puede robar información personal o incluso tomar el control de tu dispositivo. 3. Falta de control sobre la red: En una red pública, no tienes control sobre quién más está conectado a la red o qué tipo de seguridad se implementa. 4. Ataques de intermediarios: Los ciberdelincuentes pueden configurar puntos de acceso falsos (conocidos como "phishing de Wi-Fi").

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5 Manage your email settings and permissions

Finally, you should also pay attention to your email settings and permissions, as they can affect your email security and privacy. For example, you should disable the automatic downloading of images or external content in your email, as they can reveal your IP address or location to the sender or contain hidden trackers or malware. You should also review and revoke any access or permissions that you have granted to third-party apps or services that connect to your email, such as social media, cloud storage, or productivity tools. These apps or services can collect or share your email data or compromise your account if they are hacked or breached. You can check and manage your email settings and permissions in your email provider's account or security settings.

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Ricardo Márquez

Perito Judicial en Informática y Electrónica Forense | Perito Judicial Experto en el Análisis de Evidencias Digitales | Técnico Junior en Ciberseguridad | Auditor y Consultor en Seguridad Informática
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La configuración y los permisos en los correos electrónicos son cruciales para garantizar la seguridad y la privacidad de la información. Influencian aspectos como la seguridad del contenido, quién puede acceder a los correos electrónicos y qué acciones pueden realizar. Configurar adecuadamente estas opciones ayuda a proteger contra el correo no deseado, el phishing y el acceso no autorizado a datos sensibles.

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6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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What are the latest techniques to secure your email and protect your privacy?

1

2

3

4

5

6

1 Use strong passwords and two-factor authentication

2 Encrypt your email and attachments

3 Avoid phishing and spam emails

4 Use secure networks and devices

5 Manage your email settings and permissions

6 Here’s what else to consider

Business Communications

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What are the latest techniques to secure your email and protect your privacy?

1

2

3

4

5

6

1 Use strong passwords and two-factor authentication

2 Encrypt your email and attachments

3 Avoid phishing and spam emails

4 Use secure networks and devices

5 Manage your email settings and permissions

6 Here’s what else to consider

Business Communications

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