At-Bay vs Marsh McLennan Agency: How Do They Compare for 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 McLennan Agency describes arranging cyber for the audience stated on the cited product page. ⁹Company-reported. cyber marketed by marsh-mclennan-agency; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement.

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.

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Organizations managing cyber exposure; exact insurer, policy form, and eligibility are placement-specific. ⁹Company-reported. cyber marketed by marsh-mclennan-agency; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement.

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.

The cited product page describes cyber liability and a cyber-risk management strategy as part of the executive and professional risk offering. Marketing description only; actual coverage, exclusions, conditions, limits, and availability depend on the issued policy and jurisdiction. ⁹Company-reported. cyber marketed by marsh-mclennan-agency; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement.

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.

The cited overview does not set a universal limit or retention for this line. Ask for the proposed policy form, limits, retentions, exclusions, and conditions in the quote. ⁹Not publicly disclosed. Only the cited marketing page was reviewed for published limit and retention information; no policy-form entitlement is inferred.

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.

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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.

The page invites organizations to contact a Marsh McLennan Agency adviser or specialist to discuss placement. The page does not establish a quote, bind, or coverage-effective timeline. ⁹Company-reported. cyber marketed by marsh-mclennan-agency; scope is limited to the cited official product overview and described audience. This is not a policy form or a universal eligibility statement.

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.

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