Since its foundation in 1999, cryptovision has been exclusively concerned with encryption technology and has developed the proven, classification VS-NfD-approved e-mail security solution s/mail. cryptovision has incorporated this expertise into its successor solution GreenShield.

E-mail and data security – user-friendly and fast

Enterprises, government agencies and institutions are increasingly exposed to cyber-attacks. If you don’t want your e-mails and attachments to fall into the wrong hands and be tampered with, you need to digitally secure confidential content.

The most secure protection method currently available for sending e-mails is end-to-end encryption. The information is encrypted on the sender’s system. Only the intended recipient is able to decrypt and read the message. A digital signature guarantees not only the authenticity of the sender, but also the integrity of the message.


EU / NATO restricted-compliant communication

Certain information may only be accessible to a small group of persons. In Germany, therefore, certain information is categorized as classified information and must be kept confidential. The highest classification for electronic communication is VS-NfD or EU / NATO restricted.

Secret protection aims to protect such sensitive information from unauthorized access. Authorities and companies are obliged to take security measures to protect this information in an appropriate manner. The solution is: GreenShield.


Documents about the product

Download our product brochure on e-mail security here (in german).

Maximal data security

  • End-to-end encryption
  • VS-NfD-, NATO-restricted and EU-restricted approved

High user-friendliness

  • Seamless integration as an e-mail add-in in the e-mail client of Microsoft Outlook and IBM Notes
  • Minimal training effort
  • Intuitive handling
  • Rapid online help

Flexible smartcard support

  • Support of various Smartcards
  • Automated registration of digital certificates
  • Own PKCS#11 module


Easy administration

  • Encapsulated security functionalities
  • Innovative support concept for minimal administration effort
  • Interoperable with all S/MIME-enabled products
  • Flexible configuration and central management

Proven standards

  • Asymmetric Cryptography
  • Including digital certificates and key exchange procedures
  • X.509 Certificate provision via PKI
  • S/MIME


We inform you …

Are you interested in e-mail and data security? Request more information without obligation. We will make it available to you promptly.

Your data will not be passed on to third parties. You have the possibility to unsubscribe at any time. You can find information on the subject of data protection here (in german).


E-mail Security References

Overview of our products

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