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PKWARE

PKWARE is a data security company whose platform discovers and protects sensitive data across endpoint, cloud, and mainframe environments.

Last updated September 11, 2026

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Overview

PKWARE describes itself as having secured sensitive data for over 40 years, stating that its story began in 1986 when Phil Katz founded the company in Milwaukee. The company released PKZIP in 1989, a file archiving program that introduced the ZIP file format. Its current offering, PK Protect, is presented as a data security platform spanning endpoints, servers, on-premises systems, cloud, databases, and mainframes, with products including PK Protect Endpoint Manager, PK Protect Data Store Manager, and PK Protect for z/OS. PKWARE states it is trusted by leading organizations for over 40 years, protecting 21 of the 25 largest U.S. commercial banks and 30% of the Fortune 100.

History

PKWARE states that its story began over 40 years ago when Phil Katz founded the company in Milwaukee, and that his programming skills, imagination, and expertise led to early programs for data compression and sharing. In 1989 the company released PKZIP, a file archiving program that introduced the ZIP file format, described as the original compression technology still in prevalent use. The company states it has been securing sensitive data for over 40 years and that it is trusted by leading organizations for over 40 years.

Products and positioning

Data-centric security platform that discovers and protects sensitive data across endpoint, cloud, and mainframe under one policy.

  • PK Protect

    A data security platform that helps organizations stay compliant, reduce exposure, and manage data securely across its lifecycle, embedding security directly into the data for persistent protection across the enterprise.

  • PK Protect Endpoint Manager

    Secures sensitive data at rest and in motion on desktops, laptops, servers, file shares, and Microsoft 365, with key features including discovery, classification, redaction, and encryption.

  • PK Protect Data Store Manager

    Provides discovery and protection across databases, data lakes, cloud repositories, applications, and ERPs, with features like discovery and masking to support compliance and limit exposure while keeping data usable.

  • PK Protect for z/OS

    Gains enterprise-wide discovery of z/OS applications and critical data elements; PKWARE describes itself as an IBM Partner Plus with four decades of mainframe expertise.

  • PKZIP

    Enterprise-grade data protection that encrypts, compresses, and manages sensitive files across an organization automatically; compressed files can be as much as 90% smaller than uncompressed data.

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