About Glasswall
Glasswall is a cybersecurity company that protects government agencies and commercial organizations from malicious files with its Content Disarm and Reconstruction (CDR) technology. Unlike traditional detection-based methods, Glasswall employs a zero-trust approach, which removes the ability for malware to exist in files altogether.

Trusted by the world’s most secure agencies
Our battle-hardened CDR technology is mandated for use as a file filter in Cross Domain Solutions by the NSA and is trusted by the world’s most sophisticated security establishments.





Accredited and certified
Glasswall is recognized as SOC 2 Type II compliant – meaning our reporting and control activities are proven to be secure over the long term. In addition, we are NIST 800-171 approved and hold a Cyber Essentials Plus certification from the NCSC.
View security certificationsBacked by expert advisors
Content Disarm and Reconstruction (CDR) is an advanced, zero-trust cybersecurity technology designed to neutralize threats, such as malware and ransomware, within files.
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“CDR is making the online world safer for us all. It’s exciting to be part of a high-growth company with such an important mission.”


Glasswall is an active supporter of the Armed Forces Covenant. This national initiative aims to ensure fair treatment for military personnel, veterans, and their families in society and the wider community.

Investor relations
