About Glasswall

Glasswall is a cybersecurity company that enables organisations to operate securely, safeguarding their data and networks with intelligent file protection. At its core, Glasswall's technology combines Zero Trust CDR with AI-powered threat detection, uniquely engineered to remove, predict, and counter unknown threats.
Glasswall is dedicated to advancing digital security, with a relentless focus on innovation to redefine enterprise protection.

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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.


National Security Agency logo USAAUKUS logoNIST logoNATO logoHM Government logo
NIST logoAICPA SOC logoCyber Essentials Certified Plus badge

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 certifications

Backed 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.

“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.”

Lord Michael Spencer Glasswall's chairman

Lord Spencer, Chairman

Join our
global partner network

Be part of our esteemed partner network and empower your customers with safe files, free from the risks of malware.

Microsoft logoOracle logoBAE Systems logoEverfox logonteligen logoPalantir logoOptiv logoBooz Allen Hamilton logoNorthrop Grumman logoThundercat technology logo
Armed Forces Covenant supporting banner

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.

Our offices

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London office

Spice Building
8 Devonshire Square
London
EC2M 4YJ

+44 203 814 3890

[email protected]

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US office

1818 Library Street
Suite 500
Reston, VA 20190

+1 646 768 4273

[email protected]