In today's digital age, ensuring the security of your personal and professional data is paramount. For macOS users, there are several built-in tools and best practices that can significantly enhance your digital security. This article will guide you through essential steps and configurations to protect your Mac from potential threats. Given that "Segurança+Digital" translates to "Digital Security," we will focus on practical measures and examples specifically tailored for the macOS environment.

Examples:

1. Enable FileVault for Disk Encryption: FileVault is a built-in encryption feature that helps prevent unauthorized access to your data by encrypting the entire drive. Here’s how to enable it:

   • Open System Preferences.
   • Select Security & Privacy.
   • Click the FileVault tab.
   • Click the lock icon and enter your administrator password.
   • Click "Turn On FileVault."

   sudo fdesetup enable

2. Set Up a Firewall: The macOS firewall can help block unwanted incoming network connections. To enable it:

   • Open System Preferences.
   • Select Security & Privacy.
   • Click the Firewall tab.
   • Click the lock icon and enter your administrator password.
   • Click "Turn On Firewall."

   sudo /usr/libexec/ApplicationFirewall/socketfilterfw --setglobalstate on

3. Use Strong Passwords and Keychain Access: Strong passwords are a cornerstone of digital security. macOS includes Keychain Access, a password management system that can help you create and store strong passwords.

   • Open Keychain Access from the Utilities folder.
   • Use the built-in password generator to create strong passwords.
   • Store and manage your passwords securely.

4. Regular Software Updates: Keeping your macOS and applications up to date is crucial for security. To check for updates:

   • Open System Preferences.
   • Select Software Update.
   • Click "Check for updates."

   softwareupdate --list
   softwareupdate --install -a

5. Enable Two-Factor Authentication (2FA): Two-factor authentication adds an extra layer of security to your Apple ID. To enable it:

   • Open System Preferences.
   • Click on Apple ID.
   • Select Password & Security.
   • Click "Turn On Two-Factor Authentication."

6. Use Secure Shell (SSH) for Remote Access: If you need to access your Mac remotely, use SSH to ensure a secure connection.

   • Open Terminal.
   • Enable Remote Login in System Preferences > Sharing.
   • Connect using SSH:

   ssh username@hostname