Closed Door Security

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Barrier Networks and Closed Door Security respond to Newsquest DoS cyber-attack

Regional publisher, Newsquest, has been hit by a DDoS (Denial of Service) cyber-attack, which brought down several of its websites causing them to malfunction. Barrier Networks and Closed Door Security respond. According to a report on publishing news site, Hold the Front Page, the attack, which was described in internal documents as a “major business […]

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Closed Door Security receives CREST Penetration Testing accreditation

Closed Door Security has been accredited by the professional certification board CREST, as being a trusted and expert provider of cybersecurity penetration testing. The accreditation demonstrates that CREST recognises the company as a trusted, qualified and competent provider of penetration testing, that possess the skills and expertise required to work with UK government agencies and the National Cyber Security

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