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We increase efficiency and reduce risks for organisations by helping them to use information effectively and securely.

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Information Security & Assurance Consultants

CLAS Consultancy

CLAS Consultancy

Information Assurance knowledge of CESG with the expertise and resources of the private sector.

PSN Consultancy

PSN Consultancy

Our consultants have extensive experience of PSN requirements for government and emergency services.

Penetration Testing

Penetration Testing

Simulates hacking attempts on networks, websites and applications to discover any security loop-holes.

PSN IT Health Check 

PSN IT Health Check

Designed to identity vulnerabilities in IT systems which may result in compromise of information held on the systems.

ISO27001 Compliance

ISO27001 Compliance

Our consultants are qualified ISO 27001 Lead Auditors in delivering information security services.

Cyber Essentials

Cyber Essentials

The Cyber Essentials scheme provides businesses small and large with clarity on good basic cyber security practice.

Egress Secure Email Service

Egress Secure Email Service

Egress Switch is the only government CPA certified email encryption product, enabling sharing sensitive information across the internet.

IT & Security Awareness Training

IT & Security Awareness Training

Aristi has developed a number of training courses to support the requirements of Accreditation and PSN.


Information security is a minefield of products and technical jargon. We take the approach of demystifying information security for our clients and focusing on real business benefits rather than technical jargon.

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Your Cyber Threat. Mitigated.




We take pride in all that we do and strive to deliver high quality professional services that add value to our clients.

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Crown Commercial Service Supplier

Our services are
available on the G-Cloud
procurement framework.


We have worked with a wide range of public and private sector clients to assist in information assurance requirements. We believe in building strong relationships based on trust, partnership and sharing expert knowledge.

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Bromsgrove District Council

Dorset Fire & Rescue Service

NFAN Data & Intelligence Services

Legal Ombudsman

Pinnacle People

Staffordshire Fire & Rescure Service

Helping you to use information effectively & securely



Please contact Aristi to discuss your requirements. Filling in the form below is the quickest way to get in touch with the relevant person at Aristi.


Keep up-to-date with insights and info on all areas of Information Assurance, Information Security, Penetration Testing & Data Sharing from the award-winning consultants Aristi.

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Latest Blog Posts

  • 500 million customers can’t sleep easy with Marriott data breach

    The world’s largest hotel chain, Marriott Hotels, announced on Friday (November 30, 2018) that half a billion of its customers’ data had been breached dating as far back as 2014. Marriott owns more than 5,800 properties around the world with 1.1 million rooms spread across more than 110 countries[.  That makes this incident is a […]

    Written on Wednesday, 12 December 2018
  • Virtual Data Protection Officer

    The GDPR introduces a duty for you to appoint a data protection officer (DPO) if you are a public authority, or if you carry out certain types of processing activities. To support your on going GDPR compliance and management requirements, we can provide a Virtual Data Protection Officer (vDPO) service giving you access to independent […]

    Written on Thursday, 10 May 2018
  • Protecting Businesses with Cyber Essentials

    The lack of basic cyber security controls remains a significant factor in the vast majority of cyber attacks in the UK today. Businesses are left worried about hackers, data loss and security, and are not sure where to turn. The scale of the threat is nothing new.  The media now regularly covering stories of data […]

    Written on Monday, 05 March 2018