Rokstone Underwriting (Aventum Group (UK))

Rokstone Athena Cyber

by Rokstone Underwriting
B2BAMGABroker onlyEnglish
Last updated 18.07.2026

Rokstone Athena Cyber is a cyber insurance product underwritten by Rokstone Underwriting (Aventum Group (UK)), available in UK. It is aimed at small and medium-sized businesses, mid-market companies, large enterprises and multinational groups. Coverage limits reach up to Up to US$10M line size (primary or excess). . The policy extends beyond standard cyber liability with Primary & excess and Tech E&O combined. The carrier holds an AM Best rating of A-rated Lloyd's capacity. It is distributed through insurance brokers.

Product Details§ 01

Max Insurance Limit
Up to US$10M line size (primary or excess).
Market Focus
SME, Mid-market, Large, Multinational
Coverage
Primary & excess, Tech E&O combined
AM Best Rating
A-rated Lloyd's capacity
MGA / Direct
MGA
Policy Language
English
NIS2 / DORA Support
Not applicable.
War Exclusion
War and nation-state cyber exclusion applied (LMA-aligned).
Broker Only
Yes

Advantages & Limitations§ 02

Advantages

  • Rokstone Athena Cyber: dedicated cyber, technology and media underwriting division of Aventum-owned Rokstone Underwriting; officially launched 15 July 2026.
  • Backed by A-rated Lloyd's capacity; line size up to US$10M.
  • Cyber and technology combined liability for businesses with up to US$250M revenue; acts as primary lead insurer (up to US$250M revenue) or supports excess layers (quota-share or excess basis).
  • Three-tier distribution: streamlined solutions for micro-SME; digital quote-to-bind platform for SME; bespoke solutions for mid-market and large corporate.
  • Core sectors: agriculture, construction, financial institutions, hospitality and leisure, manufacturing, professional services, retail, technology, transportation.
  • Team: Debbie Hobbs (Head of Cyber, Technology & Media; ex-Miller), Lucy Barker-Hahlo (Deputy Head; ex-Mosaic), Umber O'Doherty (Cyber Counsel; ex-Miller).
  • Rokstone: one of the largest global MGAs; US$1.1B+ GWP across specialty lines; proprietary ATOMX technology ecosystem.

Limitations

  • Wholesale broker-only distribution (London market MGA); no direct placement.
  • Primary lead limited to businesses with revenue up to US$250M; larger risks on excess/quota-share basis only.
  • Line size capped at US$10M.
  • No published proactive security services at launch.
  • Standard Lloyd's state-backed cyber attack exclusion applies (LMA5566/5567 per Lloyd's Market Bulletin Y5381).

Contact & Response§ 03

24/7 Crisis Hotline
Via policy documentation.

Frequently asked questions§ 04

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Who is Rokstone Athena Cyber designed for?

Rokstone Athena Cyber by Rokstone Underwriting targets small and medium-sized businesses, mid-market companies, large enterprises and multinational groups in UK.

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Does Rokstone Athena Cyber help with NIS2 or DORA compliance?

Rokstone Underwriting indicates the following NIS2/DORA support for this product: Not applicable..

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How can I buy Rokstone Athena Cyber in UK?

Rokstone Athena Cyber is sold through insurance brokers — broker contact: https://rokstoneuw.com/contact. Compare it with alternatives in UK on Ryskly before approaching a broker.