Market Overview

Zix Adds to Excellence in Accreditation with ISO 27001 Certification


ISO 27001 Certification applies to the development, operation, and
administration of Zix's Full Suite of Services, including ZixEncrypt,
ZixProtect and ZixArchive

(Zix), (NASDAQ:ZIXI), a leader in email security,
was awarded the International Organization for Standardization (ISO)
27001 certification, validating the strength of Zix's solutions in
preserving the security of information assets. Zix's certification
covers ISO standards for the development, operation, and administration
of ZixEncrypt®,
ZixMail®, and ZixOneSM solutions.

ISO is an independent, non-governmental international organization that
develops voluntary, consensus-based international standards supporting
innovation and providing solutions to global challenges. ISO 27001
provides an international standard to help organizations manage the
security of financial information, intellectual property, employee
details or other confidential assets.

"With the sophistication of evolving threats, customers need assurance
that their cloud providers are taking the necessary precautions to
protect their valuable data. Zix's ISO 27001 certification is a
significant milestone that demonstrates our commitment to deliver
solutions that meet the highest security standards," said David
, Zix's Chief Executive Officer. "Zix's customers trust us to
provide superior solutions. With the ISO 27001 certification, they can
have added confidence that we are not only enhancing solution features
and functionality but are also strengthening the security of our
development and operations."

To receive ISO 27001 certification, Zix was audited by CyberGuard
Compliance, a global consulting firm focused on cyber security and IT
compliance. A recognized ISO 27001 auditor, CyberGuard Compliance
certified Zix after a comprehensive review of its security processes and
practices, finding it exceeded all qualifications without a single
exception during the audit.

In addition to ISO 27001 certification, Zix maintains PCI DSS 3.2
compliance, SOC2 accreditation and SOC3 certification for ZixData
. A state-of-the-art facility, ZixData Center
hosts Zix's software-as-a-service (SaaS) solutions with a track record
of 99.999% availability.

About ISO

ISO is an independent, non-governmental international organization with
a membership of 160 national standards bodies. Through its members, ISO
brings together experts to share knowledge and develop voluntary,
consensus-based, market relevant International Standards that support
innovation and provide solutions to global challenges. For more
information, visit

About CyberGuard Compliance

CyberGuard is based in the United States but serves clients around the
globe. Its leadership team has over 150 years of combined business
management, operations and related information technology (IT)
experience. CyberGuard has performed over 1,000 SOC audits, and focuses
on cyber security (InfoSEC) and IT compliance related engagements. For
more information, visit

About Zix Corporation

Zix Corporation (Zix) is a leader in email security. Trusted by the
nation's most influential institutions in healthcare, finance and
government, Zix delivers a superior experience and easy-to-use solutions
for email encryption and data loss prevention, advanced threat
protection, unified information archiving and bring your own device
(BYOD) mobile security. Focusing on the protection of business
communication, Zix enables its customers to better secure data and meet
compliance needs. Zix is publicly traded on the Nasdaq Global Market
under the symbol ZIXI. For more information, visit

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