At-Bay vs Chubb 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.

Chubb underwrites Cyber Enterprise Risk Management (Cyber ERM) directly. It covers cyber, privacy and media exposures for organizations of any size that handle sensitive data or run a network or website. ⁹Company-reported. Cyber Insurance Coverage & Products page, Cyber Enterprise Risk Management section.

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 describe Chubb as the carrier but do not name the specific Chubb-group underwriting entity for cyber policies; the issued policy would name the entity. ^10,9Not found in reviewed sources. Both cyber pages as read on 2026-09-23.

Not described in the reviewed sources.

Chubb says there are no minimum premiums and premiums scale for all risk sizes, offers Cyber Central and Marketplace quoting for risks under $100 million in revenue, and a customizable large-account cyber risk management solution for organizations over $1 billion in revenue. ⁹Company-reported. Cyber Insurance Coverage & Products page eligibility and quoting description.

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.

Chubb lists first-party cyber incident response fund, business interruption (with contingent business interruption for outsourced technology providers), digital data recovery, and network extortion; third-party cyber/privacy/network security liability, payment card loss, regulatory proceedings and media liability; and cyber crime coverages (computer fraud, funds transfer fraud, social engineering fraud) available by endorsement. ⁹Company-reported. Cyber insurance coverage list on the products page; subject to exclusions and the policy as issued.

Chubb offers a Widespread Event Endorsement with separate limits and retentions for systemic cyber events, a Ransomware Encounter Endorsement that lets buyers tailor limits and retentions for ransomware losses, and a Neglected Software Exploit Endorsement that gives a 45-day grace period to patch published vulnerabilities before risk-sharing shifts toward the policyholder. ⁹Company-reported. Innovative coverage concepts section; endorsement availability depends on underwriting.

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 reviewed pages do not publish specific per-policy limit or retention amounts; Chubb says it can build large insurance tower programs with substantial primary limits for organizations over $1 billion in revenue but gives no figures. ⁹Not found in reviewed sources. Cyber Insurance Coverage & Products page as read on 2026-09-23.

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.

Chubb says cyber policyholders get access to a panel of pre-approved incident response providers, a 24/7 hotline and Cyber Alert app, a Cyber Threat Intelligence Team, a Vulnerability Management Outreach program, and the Chubb Cyber Index for trend and cost data. ¹⁰Company-reported. Cyber Insurance for Businesses page, Cyber Services and Beyond Risk Transfer sections.

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.

Agents and brokers can quote cyber alone through Cyber Central or bundled with other lines through Chubb Marketplace; multinational programs can be serviced locally in more than 35 countries. ⁹Company-reported. Cyber Insurance Coverage & Products page quoting section.

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.

Chubb reports 24/7 incident response availability by hotline or its Cyber Alert app, and publishes an annual Cyber Claims Landscape report analyzing claim frequency, severity and ransomware trends. ¹⁰Company-reported. Cyber Insurance for Businesses page; claims scenarios and report are company-reported.