
Lizard Safeguard PDF Security
By Locklizard Limited

Lizard Safeguard PDF Security is a flagship product of Locklizard Limited, a UK-based software company specializing in Digital Rights Management (DRM) and document security. The platform is designed to protect PDF documents from unauthorized access, copying, printing, and distribution. It serves a wide range of industries including publishing, legal, finance, education, and government, offering robust protection for sensitive and proprietary content.
Locklizard was founded in 2004 by Trevor Mathews, with Greg Mathews currently serving as Chairman and CEO. The founding team brought over 70 years of combined experience in IT security, DRM, encryption, and data protection. Their early work dates back to the 1980s with the development of Stoplock, one of the first file security tools in the UK. Since its inception, Locklizard has grown into a trusted name in document DRM, serving clients like NASA, Microsoft, HP, SAP, BBC, and McGraw-Hill Education.
Locklizard is a privately held company, and as such, detailed information about its funding rounds or valuation is not publicly disclosed. There is no record of venture capital involvement, suggesting the company may be bootstrapped or self-funded through revenue from its commercial products.
Lizard Safeguard PDF Security offers a comprehensive suite of features for PDF protection:
There is no public record of acquisitions by Locklizard. However, the company has expanded its product capabilities significantly over the years. Notable expansions include:
Recent updates include:
Locklizard emphasizes security, simplicity, and transparency. The company’s mission is to deliver high-quality DRM solutions that are easy to implement and use, without requiring users to understand complex cryptographic processes. They prioritize user privacy, avoiding the use of passwords, plugins, or uploading unprotected files to the cloud. Their approach is rooted in zero-trust principles, ensuring that only authorized users can access protected content.
Locklizard serves a global customer base across various sectors:
The platform is used by millions of users worldwide, with a strong reputation for reliability and security. While there is no formal community forum, Locklizard provides extensive documentation, training, and support resources, including a knowledge base, video tutorials, and live online training sessions.