Hans leads DAC Beachcroft's multi-award winning cyber and breach response team. The team has responded to thousands of breaches and cyber incidents, helping clients of all sizes, from SME to global corporates, across all sectors. He is a true specialist, guiding clients through their crisis and defending any regulatory investigation and privacy litigation that follows.

As a litigator, he advises on disputes from all sectors. His practice includes national and international litigation and other forms of dispute resolution.

Hans is ranked in upper tiers of Chambers & Partners and Legal 500. He is widely published on the topic of cyber risk, data protection, and information security and regularly speaks at industry and client-sponsored events. He is an expert on cyber insurance and supports emerging initiatives and product developments.

Hans’ relevant experience includes: 

• Personally advising on nearly 1,000 breaches and cyber incidents in over 10 years of specialising in this area of law 
• Advising clients in the defence of volume compensation claims following data breaches and cyber incidents 
• Securing injunctions against persons unknown in mitigation of data leaks 
• Advising clients in relation to regulatory investigations and contesting enforcement action 
• Advising the cyber insurance sector on industry initiatives, including cyber war exclusions, system cyber risks, and ransomware payment policies

Endorsements:

• “Hans Allnutt is simply superb: clear, calm, and strategically innovative in complex cyber litigation.” - Legal 500 UK, 2026 
• “DAC Beachcroft has a reputation as being the first call in responding to cyber incidents and data breach matters. Their deep technical expertise combined with practical incident management is unmatched. In my view, they are simply the best in this area”. - Legal 500 UK, 2026 
• “Head of DAC Beachcroft's cyber risk practice, Hans Allnutt focuses on contentious data cases. His grasp of data breaches makes him a strong choice for clients seeking representation for breach response, including for matters under investigation by the ICO” - Chambers & Partners UK, 2025