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Audience: technical

Why ZSentry?

NMA ZSentry provides an affordable, secure service platform with strong authentication and high usability.

Let us use the example of email to illustrate a ZSentry application. Increasing privacy and security regulation requirements as well as problems with spam and email spoofing have sharply curtailed the business use of email. Various information security technologies have been developed to provide a solution.

The table below shows the major information security technologies that are available today, with secure email solution examples categorized by their dominant technology use.
TECHNOLOGY PGP PKI/X.509 IBE ZSENTRY
Secure Email Solutions PGP
HushMail
RSA
Entrust
Cryptzone
Rpost
ZixCorp
Outlook
MessageGuard
Voltage
ZSentry Mail
Zmail Basic
Email solutions by Postini and Google are not included because they only provide SSL services and, thus, fall short as secure email solutions. Product and company names cited may be copyrighted and trademarked by their owners.

Security and Usability ChartThe two most important requirements of an email system for business use are security and usability. In a point-by-point comparison, various performance criteria can be evaluated for different implementations of the same technology, and then summarized in terms of security and usability.

The graph provides a visualization of the relative positions of each information security technology in terms of security and usability, measured using secure email as an application example. The bubbles represent uncertainty due to implementation differences. The data is taken from the references listed [*].

NMA ZSentry Mail (Zmail) solves the quest for email security and usability. ZSentry is qualitatively better in both security and usability than PGP, PKI/X.509, IBE and other technologies [*].  ZSentry also reduces to a minimum the demands on what users must learn and have to be trusted with.

In addition to protecting your business information, and satisfy HIPAA, SOA and other regulatory obligations, ZSentry can become a key enabler to enhance functionality, maintain a competitive advantage, grow your business, reduce costs, improve cash flow, and use your existing infrastructure while taking you forward.

Disconnected business processes and applications, and apparently limited software, can now become key assets in a renewed IT environment and generate higher returns on existing investments. Moreover, your staff need not learn anything new, or a new paradigm. After account setup, they continue to work using a familiar office application such as Outlook and Word.

Read more Why ZSentry Desktop >>

* References:

Gerck, E. (2007). Secure email technologies X.509/PKI, PGP, IBE and Zmail. In Corporate Email Management, Chapter 12, Edited by Krishna SJ, Raju E., pp.171-196, Hyderabad, India, ICFAI University Press. Available online at http://email-security.net/papers/pki-pgp-ibe-zmail.pdf.

Neppe, V. M. (2008). The email security-usability dichotomy: Necessary antinomy or potential synergism?. In Telicom, 21:3, May-June, pp.15-31. Available online at http://email-security.net/papers/usable-secure-email.pdf.

Whitten, A. and Tygar, J. D. (1999). Why Johnny can't encrypt: A usability evaluation of PGP 5.0. In Proceedings of the 8th USENIX Security Symposium. Available online at http://www.gaudior.net/alma/johnny.pdf

See also:
ZSentry Security & Usability Comparison >>
Red Flags >>

Technical Notes
Overview   Key Features   Security   Usability   HIPAA   Experience   Why ZSentry?   Red Flags

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