2025-06-17 00:00:00 With the A1 Sicherheit App, you can protect your passwords and surf the Internet encrypted & anonymously. With the A1 Passwortschutz (password vault) and A1 Netzwerkschutz (Privacy-VPN) products included in the A1 Security app, you can shop online without worrying. Your accounts are protected by the passwords stored and encrypted in the password vault. The privacy-VPN additionally encrypts your data connection and thus protects against the theft of payment data or other sensitive information. These functions are provided by the A1 Security app: