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Portrait ofTristan Hall

Tristan Hall

Partner

CMS Cameron McKenna Nabarro Olswang LLP
Cannon Place
78 Cannon Street
London
EC4N 6AF
United Kingdom
Languages English
Cyber

Tristan Hall is a member of CMS’ cybersecurity team and liaises with other CMS offices and member firms of CMS’s international cyber security network on CMS’s global 24/7/365 cybersecurity incident response service.  Tristan routinely advises clients on the management and resolution of cyber breaches and minimising the associated fall-out from follow on claims related to cyber incidents.

Tristan also supports insurers with developing their own cyber products, drafting a range of cyber insurance policies and structuring insurers’ incident response offerings, including associated framework/panel vendor agreements. 

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Relevant experience

  • A large network of estate agents on a significant data breach arising as a result of a threat actor obtaining unauthorised access to the online archives of a number of users’ mailboxes. 
  • A large international trading company on a data breach suffered by one of its foreign domiciled data processors. 
  • A well known listed UK company on a data breach impacting a mailbox and associated follow on claims by impacted data subjects.
  • Numerous ransomware attacks involving a variety of UK companies, firms and professional practices.  
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Lectures list

  • Directors’ Liability and Indemnification, A Global Guide, Third Edition– Globe Law and Business 2016.
  • Directors and Officers Liability Insurance Deskbook, Fourth Edition – American Bar Association, Contributing Editor.
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Education

  • 2001 – LPC, College of Law, Guildford.
  • 2000 – CPE, College of Law, Guildford.
  • 1999 – BSc, Cardiff University, Cardiff.
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Insurance

Tristan Hall is a Partner in the Insurance and Reinsurance Group with over 18 years’ experience in the insurance sector. Tristan regularly advises insurers on resolving complex claims and coverage disputes in the UK and Worldwide across a range of insurance sectors with a particular focus on Directors & Officers, Financial Institutions, Tech/Cyber and Professional Indemnity. In addition to his contentious practice, Tristan advises on the development and drafting of insurance policies and bespoke insurance solutions.  

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Relevant experience

  • An international Insurance Company in relation to multiple claims under non-damage extensions to business interruption policies in light of the government response to the Covid-19 pandemic. 
  • London Market Insurers on coverage under a D&O Insurance programme for high profile SEC and FTC investigations and follow on Securities and Derivative claims.
  • An international Insurance Company on coverage for business interruption losses and third party claims under a Cyber policy following a significant ransomware attack against an outsourced service provider.
  • London Market Insurers on coverage under a Technology E&O policy for a significant claim brought against a technology company following national network outage.
  • London Market Insurers on coverage under a D&O policy for a claim brought under Section 90A FSMA 2000.
  • London Market D&O Insurers on coverage for US derivative claims against a listed hedge fund and its directors and officers.
  • Defending proceedings commenced against London Market Crime Insurers by a Financial Institution seeking to recover £100m in respect of an internal fraud. 
  • Obtaining injunctive relief for Insurer of litigation fund restraining proceedings commenced against it in the USA.
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Publications

  • Directors’ Liability and Indemnification, A Global Guide, Third Edition– Globe Law and Business 2016.
  • Directors and Officers Liability Insurance Deskbook, Fourth Edition – American Bar Association, Contributing Editor.
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Education

  • 2001 – LPC, College of Law, Guildford.
  • 2000 – CPE, College of Law, Guildford.
  • 1999 – BSc, Cardiff University, Cardiff.
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Insurance & Reinsurance Disputes

Tristan Hall routinely advises professional service firms, directors and their insurers on the resolution of professional negligence claims that are made against them. 

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Relevant experience

  • Co-ordinating (alongside CMS Scotland) the defence of a £50m claim brought against the former Joint Administrators of Glasgow Rangers. 
  • Defending a large firm of loss adjusters against a USD5m claim concerning the adjustment of a property loss. 
  • Co-ordinating defence and advising London Market insurers in respect of a £15m dishonest assistance claim against an offshore professional services firm and certain of its directors.
  • Defending Joint Administrators of a retail park against a £2.5m misfeasance claim alleging that the assets of the company were sold at an undervalue.      
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Publications

  • Directors’ Liability and Indemnification, A Global Guide, Third Edition– Globe Law and Business 2016.
  • Directors and Officers Liability Insurance Deskbook, Fourth Edition – American Bar Association, Contributing Editor.
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Education

  • 2001 – LPC, College of Law, Guildford.
  • 2000 – CPE, College of Law, Guildford.
  • 1999 – BSc, Cardiff University, Cardiff.
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Feed

14/11/2023
Common IT security weaknesses lead to ICO reprimand
The UK Information Commissioner’s Office (“ICO”), the UK’s data protection regulator, has issued a reprimand following infringements of the UK General Data Protection Regulation (“GDPR”) to...
27/06/2023
Covid-19 Business Interruption – At the Premises disease clauses
It is now over two years since the Supreme Court’s judgment in the FCA Test Case on non-damage business interruption (BI) cover for losses arising from the Covid-19 pandemic and English Courts are still...
19/01/2023
Court of Appeal rules on exclusion for losses caused by “pollution or contamination”
The Court of Appeal has ruled that a policy exclusion for damage caused by pollution or contamination did not exclude cover for material damage and business interruption resulting from a fuel leak at...
28/10/2022
Business Interruption Insurance and Covid-19: aggregation and furlough...
In January 2021, the Supreme Court delivered its judgment in the FCA’s Test Case on non-damage business interruption (BI) cover for losses arising from the Covid-19 pandemic. See our previous Law-Now...
24/03/2022
CMS Professional Indemnity Insurance Seminar
Our annual professional indemnity event for insurance professionals took place in Cannon Place on Thursday 24 March 2022. A video recording of the event is now available to watch here. As usual, the...
15/03/2022
Cyber and Data Breach Claims
We are pleased to invite you to a series of seminars for 2021/22 delivered by the CMS Financial Lines Insurance Team. A key theme observed by our team over recent years is the growing complexity of Financial...
24/02/2021
The FCA Test Case: Video Series
The Supreme Court delivered its keenly-an­ti­cip­ated judgment in the FCA’s Test Case on non-damage business interruption (BI) cover for losses arising from the COVID-19 pandemic on 15 January 2021. The...
19/01/2021
Business Interruption Insurance and Covid-19: FCA’s expectations following...
On 17th June 2020, the FCA published finalised guidance setting out the regulator’s expectations in respect of their regulatory obligations (under FCA Principles, ICOBS and DISP) for Insurers and insurance...
18/01/2021
Business Interruption Insurance and Covid-19: FCA’s expectations following...
The Supreme Court delivered its keenly-an­ti­cip­ated judgment in the FCA’s Test Case on non-damage business interruption (BI) cover for losses arising from the COVID-19 pandemic on 15 January 2021. The...
15/10/2020
Reinsurance: COVID-19 – where are we now?
At different stages in the COVID-19 pandemic, we have considered the impact on the reinsurance market. Most recently (see our Law-Now), we considered the likely implications of the “second wave”...
15/10/2020
Reinsurance: COVID-19 – where are we now?
Exposures Whilst many insurers and reinsurers scramble to impose pandemic exclusions for 1 January 2021 renewals, there nevertheless remain significant areas of cover that could still be impacted by the...
16/09/2020
FCA Update and Guidance following judgment in the Business Interruption...
The much-awaited decision in the FCA’s High Court test case in relation to non-damage business interruption (BI) insurance policies and their response to the COVID-19 pandemic was published yesterday...