Wednesday, July 18, 2018

Tel: +44 (0)1525 850 440
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Guardian Internet Support Service (UK) Limited was established March 2001.
 
Our purpose is to develop mutually beneficial, enjoyable, professional relationships with people and businesses. We are dedicated to increasing your confidence in the security of your networks and data. We do this by providing professional products and services to End Users and Resellers requiring secure Firewalling, Anti-Virus, IDS, Anti-Spam, Anti-Adware/Spyware/Greyware Web-Filtering and VPN products.

GISS partners wirth FortiNet to supply customers with FortiNet FortiGate Firewall/VPN products, We also resell Cisco firewall products, and our own FirePlotter software product.

We provide highly tailored firewall support contracts or SLAs; ranging from light touch to fully managed firewall support services. These services include telephone, email and remote configuration support.

Building on over 20 years experience of technical support for Firewall and VPN products - the GISS team is well placed to support existing and new users of Firewall and VPN solutions, and to provide comprehensive Penetration Testing services and Internet Service Monitoring.

We are ready to turn your business requirements from a preliminary concept into a reliable, useable and sustainable reality. Start that process by giving us a call (01525 850 440) or sending us an email (
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In 2007, GISS software division released FirePlotter (www.fireplotter.com) a unique windows-based real-time session monitor utility for Cisco and FortiNet firewalls.

By 2012 the number of Fireplotter evaluators had exceeded 10,000.

In 2010 GISS were made a Silver FortiNet Partner.

In 2105 GISS were promoted to Gold FortiNet Partner.

In 2016 GISS acquired the "Cyber Essentials" certification.

In 2017 a GISS engineer acquired the FortiNet NSE7 certification.

In 2018 GISS will be completing GDPR certification. Please note that as an organisation GISS takes personal information privacy seriously and hence will only use personal information to administer an account in order to provide any products and/or services requested from us. If you would like review, amend or delete the information for you that we have on record, then please contact us by email at This email address is being protected from spambots. You need JavaScript enabled to view it. .