At-Bay vs Marsh Cyber Insurance

At-Bay places cyber insurance through its disclosed producer, At-Bay Insurance Services LLC, which is licensed as an insurance producer in all 50 states. At-Bay says eligible new excess-and-surplus (E&S) cyber business has been written on its own carrier paper, At-Bay Specialty Insurance Company, since August 2023. ^4,5Company-reported. Producer role from the current license page; carrier role from a 2023 transition announcement, not confirmed for every current cyber quote.

Marsh's cyber risk practice places and advises on cyber insurance brokerage; it does not underwrite the policies it places. ¹¹Company-reported. Marsh corporate cyber insurance product page.

Marsh McLennan Agency (MMA), Marsh's middle-market subsidiary, places cyber coverage and acts as a carrier liaison, combining placement with claims advocacy. ¹⁴Company-reported. MMA cyber solutions page.

The current cyber product page does not name an issuing insurer. At-Bay's 2023 announcement says new E&S cyber business is quoted on At-Bay Specialty Insurance Company paper, but that is a historical statement, not a per-quote disclosure. ^3,5Company-reported. Cyber product page checked today names no insurer; the carrier-transition release is dated August 2023 and does not cover every current state or account.

The reviewed pages do not name a specific cyber insurer for a standard placement. Marsh's Cyber ECHO excess facility lets clients choose underwriting from Lloyd's of London syndicates, company markets or Bermuda-based insurers, so the carrier varies by placement. ¹²Not publicly disclosed. Cyber ECHO facility page, which covers excess layers rather than every primary policy Marsh places.

Not described in the reviewed sources.

MMA says any company can benefit from cyber coverage, but prioritizes organizations that store significant customer data, run large customer databases or hold valuable digital assets. ¹⁴Company-reported. MMA cyber solutions FAQ; MMA describes its own client base as middle-market organizations generally.

At-Bay lists direct and contingent business interruption and system failure coverage, social engineering and invoice manipulation coverage for all classes of business, full limits for cryptojacking and bricking, broad cyber extortion coverage including cryptocurrency payment, and reputational-harm coverage for PR costs from adverse publicity. ³Company-reported. Product-page coverage highlights; the issued policy and endorsements control actual terms.

At-Bay sells cyber insurance with optional InsurSec security tiers: Core includes vulnerability monitoring and a fraud-defense sub-limit; Advanced adds a reduced ransomware retention and a zero-hour ransomware waiting period; Complete adds a $0 financial-fraud retention and a $1 million financial-fraud sub-limit. Each higher tier requires a separately purchased managed detection and response (MDR) subscription. ³Company-reported. Product-page InsurSec package descriptions and footnotes; availability depends on the business's risk profile and qualifying conditions.

MMA lists incident investigation and response costs, network interruption/extra expense, extortion and ransomware payments, data restoration, and security and privacy liability as core cyber coverages, with media liability, privacy regulatory defense and reputation-based income loss available as additional coverages. ¹⁴Company-reported. MMA cyber solutions page; actual policy wording and insurer vary by placement.

At-Bay says it writes primary and excess cyber insurance for businesses with revenue up to $5 billion and limits up to $10 million. Through its Broker Platform, brokers can get automated quotes only for businesses up to $100 million in revenue and $3 million in limits. ³Company-reported. Published appetite ceilings, not guaranteed offers; underwriting and the appetite guide control individual accounts.

Marsh says its Cyber ECHO excess facility can provide over $200 million of cyber capacity per client, with a free first reinstatement and a paid second reinstatement for separate cyber events within a policy year. ¹²Company-reported. Cyber ECHO facility page; describes excess capacity Marsh can arrange, not a standard primary limit.

Every At-Bay cyber policy includes access to At-Bay Stance, a security platform with vulnerability monitoring, vCISO advisory and tabletop exercises, and security awareness training. Managed detection and response (MDR) for endpoints or email costs extra, $16 or $25 per user per month respectively, and is sold separately by At-Bay Security, LLC. ³Company-reported. Product-page InsurSec and footnote descriptions; MDR pricing is described as estimated and subject to change.

Not described in the reviewed sources.

You apply for At-Bay cyber coverage by emailing a submission to underwriting@at-bay.com or by requesting an automated quote through At-Bay's Broker Platform. ³Company-reported. Product-page submission instructions; the Broker Platform route is limited to accounts within its lower appetite ceilings.

You engage a named Marsh or MMA cyber specialist to design a placement; the reviewed pages describe advisor-led placement and risk analytics rather than an online self-serve quote. ^11,14Company-reported. Marsh and MMA cyber pages, which list dedicated cyber brokerage and placement leaders.

At-Bay describes an in-house claims team and a named breach-coach phone line for active ransomware or system-interruption incidents, alongside a published cyber incident roadmap that assembles response partners after a claim is reported. ⁶Company-reported. Claims-handling page process description; does not establish claim outcomes or payment speed.

Marsh's global claims and incident-management specialists review cyber claims, support litigation management and work with forensic accountants to prepare proof of loss, advocating with insurers on the client's behalf. ¹³Company-reported. Claims Advocacy expertise page; recovery outcomes described as company-reported and not independently verified.