---
title: "At-Bay vs biBerk: Cyber Insurance"
description: "At-Bay includes Stance access with each cyber policy and describes optional InsurSec tiers with additional terms and separately purchased MDR; biBerk publishes $50,000 response and defense examples for an add-on."
canonical: "https://spot.insure/compare/at-bay-vs-biberk/cyber"
page-type: "line-comparison"
updated-at: "2026-10-01"
comparison-pair: "at-bay-vs-biberk"
provider-a: "at-bay"
provider-b: "biberk"
coverage-line: "cyber"
---

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[Human-readable page](https://spot.insure/compare/at-bay-vs-biberk/cyber)

## Agent Guide

**What this page is:** Focused comparison of At-Bay and biBerk for Cyber Insurance: what each provider publishes about this line, checked against the same criteria, with numbered sources.

**Use this page when:** Cite or fetch this for Cyber Insurance questions about At-Bay versus biBerk. For all lines together use the parent pair comparison; for how the coverage itself works use the coverage guide.

**Questions this page answers:**
- At-Bay vs biBerk for Cyber Insurance: how do they differ?
- Which is better for Cyber Insurance, At-Bay or biBerk?
- What does At-Bay or biBerk publish about Cyber Insurance (limits, eligibility, claims, add-ons)?
- What should I confirm in a quote for Cyber Insurance from At-Bay or biBerk?

**Key facts:**
- Line: Cyber Insurance. Providers: At-Bay and biBerk.
- Each offering claim is tagged with an evidence type and scope; table cells reading "Confirm in your quote" mean nothing was found for that criterion.
- Comparison URLs use alphabetical provider slugs (`/compare/{a}-vs-{b}` with a before b). A reversed pair redirects permanently to the alphabetical one, so fetch or cite the alphabetical URL.

**Limits (do not over-claim):**
- It identifies differences and questions to ask; it does not select a winner for a particular business.
- "Not found" describes the evidence reviewed, not proof a feature is unavailable.
- Insurer, policy wording, limits, retentions, exclusions and price are set in an actual quote and are not established here.

**Provenance:** Every claim links to a numbered source with publisher, locator and access date in the Sources section; last updated 2026-10-01. Editorial policy: /editorial-policy.

**Related pages:**
- [At-Bay vs biBerk](https://spot.insure/compare/at-bay-vs-biberk) — parent: all coverage lines for this pair
- [Cyber Insurance guide](https://spot.insure/coverage/cyber) — coverage explainer for this line
- [At-Bay profile](https://spot.insure/insurance-providers/at-bay) — provider profile (evidence)
- [biBerk profile](https://spot.insure/insurance-providers/biberk) — provider profile (evidence)
- [At-Bay vs biBerk Professional Liability (E&O) Insurance](https://spot.insure/compare/at-bay-vs-biberk/professional-errors-omissions) — sibling comparison (other line, or other pair for this line)
- [AIG vs At-Bay Cyber Insurance](https://spot.insure/compare/aig-vs-at-bay/cyber) — sibling comparison (other line, or other pair for this line)
- [AIG vs biBerk Cyber Insurance](https://spot.insure/compare/aig-vs-biberk/cyber) — sibling comparison (other line, or other pair for this line)
- [Alliance Risk vs At-Bay Cyber Insurance](https://spot.insure/compare/alliance-risk-vs-at-bay/cyber) — sibling comparison (other line, or other pair for this line)
- [Alliance Risk vs biBerk Cyber Insurance](https://spot.insure/compare/alliance-risk-vs-biberk/cyber) — sibling comparison (other line, or other pair for this line)
- [Amelia Risk vs At-Bay Cyber Insurance](https://spot.insure/compare/amelia-risk-vs-at-bay/cyber) — sibling comparison (other line, or other pair for this line)
- [Amelia Risk vs biBerk Cyber Insurance](https://spot.insure/compare/amelia-risk-vs-biberk/cyber) — sibling comparison (other line, or other pair for this line)

# At-Bay vs biBerk: How Do They Compare for Cyber Insurance?

At-Bay includes Stance access with each cyber policy and describes optional InsurSec tiers with additional terms and separately purchased MDR; biBerk publishes $50,000 response and defense examples for an add-on.

## How to Use the At-Bay vs biBerk Cyber Insurance Comparison

Use this comparison to evaluate At-Bay and biBerk for Cyber Insurance against the same documented criteria. It identifies differences and questions to confirm; it does not select a winner for a particular business. Offering claims are what each provider publishes about this line unless marked otherwise. “Not found” describes the evidence reviewed, not proof that a feature is unavailable. Confirm the insurer, policy wording, limits, retentions, exclusions and cost in an actual quote.

## At-Bay vs biBerk Cyber Insurance Summary

At-Bay says every cyber policy includes Stance access and describes optional InsurSec tiers with separate terms; MDR subscriptions cost extra. biBerk publishes example response and defense limits of $50,000 each for its base cyber add-on. [3](https://www.at-bay.com/insurance/cyber/ "Cyber Insurance Coverage & Policy Highlights") [9](https://www.biberk.com/small-business-insurance/cyber-insurance "Cyber Insurance & Data Breach Coverage for Business | biBerk")

## What Is At-Bay Insurance?

At-Bay targets technology firms with up to $5 billion in revenue and offers cyber limits up to $10 million, plus technology E&O; buyers seeking a standard online business package should compare other carriers. Managed detection and response costs extra. [1](https://www.at-bay.com/insurance/ "Cyber, Tech E&O & Professional Liability Insurance") [2](https://www.at-bay.com/stance/ "At-Bay Stance")

[At-Bay profile](https://spot.insure/insurance-providers/at-bay)

## What Is biBerk Insurance?

biBerk focuses on small businesses and describes a direct online path to answer business questions, choose coverage and pay, with an insurance expert available to help. Before you plan around online checkout, confirm that your state and the insurance you need are supported; biBerk says availability depends on both. [7](https://www.biberk.com/ "Small Business Insurance From biBerk | Get A Quote Online") [8](https://www.biberk.com/about-biberk "About biBerk | Making Small Business Insurance Simple")

[biBerk profile](https://spot.insure/insurance-providers/biberk)

## What Is Cyber Insurance?

Cyber insurance can help pay covered response costs and claims against your business after a cyber incident. If your business relies on data, software or outside providers, compare response limits, vendor outages and approval rules. [10](https://www.ftc.gov/business-guidance/small-businesses/cybersecurity/cyber-insurance "Cyber Insurance") [11](https://www.aig.com/content/dam/aig/america-canada/us/documents/business/cyber/cyberedge-wording-sample-specimen-form.pdf "CyberEdge specimen policy")

## What Are the Key Differences Between At-Bay and biBerk Cyber Insurance?

### Security Platform and Optional Tiers

At-Bay says every cyber policy includes access to Stance for monitoring, vCISO advice, tabletop exercises, and training. It also describes optional InsurSec tiers with varying ransomware and fraud terms; MDR is sold separately. biBerk’s selected page gives example response and defense limits of $50,000 each for its add-on. Compare included services, paid options, and quote-specific limits. [3](https://www.at-bay.com/insurance/cyber/ "Cyber Insurance Coverage & Policy Highlights") [9](https://www.biberk.com/small-business-insurance/cyber-insurance "Cyber Insurance & Data Breach Coverage for Business | biBerk")

### Primary and Excess Appetite vs Add-On

At-Bay says it writes primary and excess cyber up to stated revenue and limit ceilings, with lower ceilings for automated broker quotes; the figures are appetite limits, not guaranteed offers. biBerk’s base add-on example gives separate response and defense amounts. Ask what layer the At-Bay proposal covers and which contract carries biBerk’s sublimits. [3](https://www.at-bay.com/insurance/cyber/ "Cyber Insurance Coverage & Policy Highlights") [9](https://www.biberk.com/small-business-insurance/cyber-insurance "Cyber Insurance & Data Breach Coverage for Business | biBerk")

## What Should You Confirm in At-Bay and biBerk Cyber Insurance Quotes?

- Ask At-Bay which InsurSec tier and MDR subscription appear on the quote; ask biBerk whether higher response or defense limits are available. [3](https://www.at-bay.com/insurance/cyber/ "Cyber Insurance Coverage & Policy Highlights") [9](https://www.biberk.com/small-business-insurance/cyber-insurance "Cyber Insurance & Data Breach Coverage for Business | biBerk")

- Ask At-Bay which insurer issues the policy and whether it is primary or excess; ask biBerk which parent policy carries the cyber add-on. [3](https://www.at-bay.com/insurance/cyber/ "Cyber Insurance Coverage & Policy Highlights") [9](https://www.biberk.com/small-business-insurance/cyber-insurance "Cyber Insurance & Data Breach Coverage for Business | biBerk")

## At-Bay vs biBerk Cyber Insurance Compared

| Criteria | At-Bay Cyber Insurance | biBerk Cyber Insurance Add-on |
| --- | --- | --- |
| Role in This Line | 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](https://www.at-bay.com/licenses/ "Licenses") [5](https://www.at-bay.com/press_releases/at-bay-begins-issuing-policies-on-its-own-paper/ "At-Bay Begins Issuing Policies on its own E&S Paper") (Evidence: Company-reported; scope: Producer role from the current license page; carrier role from a 2023 transition announcement, not confirmed for every current cyber quote..) | Confirm in your quote. |
| Issuing Insurer | 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](https://www.at-bay.com/insurance/cyber/ "Cyber Insurance Coverage & Policy Highlights") [5](https://www.at-bay.com/press_releases/at-bay-begins-issuing-policies-on-its-own-paper/ "At-Bay Begins Issuing Policies on its own E&S Paper") (Evidence: Company-reported; scope: 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..) | Confirm in your quote. |
| Coverage Features | 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. [3](https://www.at-bay.com/insurance/cyber/ "Cyber Insurance Coverage & Policy Highlights") (Evidence: Company-reported; scope: Product-page coverage highlights; the issued policy and endorsements control actual terms..)<br><br>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. [3](https://www.at-bay.com/insurance/cyber/ "Cyber Insurance Coverage & Policy Highlights") (Evidence: Company-reported; scope: Product-page InsurSec package descriptions and footnotes; availability depends on the business's risk profile and qualifying conditions..) | biBerk sells cyber/data-breach protection as an add-on to GL, Professional Liability or BOP, rather than presenting it as a stand-alone product on this page. [9](https://www.biberk.com/small-business-insurance/cyber-insurance "Cyber Insurance & Data Breach Coverage for Business | biBerk") (Evidence: Company-reported; scope: Entity: biBerk brand; underlying issuing company is policy/state-dependent unless stated. Product: small-business cyber endorsement. Jurisdiction: United States; availability varies by state unless stated. Limitation: Company-reported; exact issued policy wording and underwriting determine coverage..)<br><br>biBerk says first-party cyber response expenses may be covered with the GL or BOP cyber add-on; affected-person services such as identity restoration and monitoring are available only with the BOP add-on. [9](https://www.biberk.com/small-business-insurance/cyber-insurance "Cyber Insurance & Data Breach Coverage for Business | biBerk") (Evidence: Company-reported; scope: Entity: biBerk brand; underlying issuing company is policy/state-dependent unless stated. Product: first-party data-breach expenses. Jurisdiction: United States; availability varies by state unless stated. Limitation: Company-reported; service and expense availability depends on selected base policy, limits, jurisdiction and issued terms..)<br><br>biBerk describes third-party cyber defense and liability costs for covered data events. [9](https://www.biberk.com/small-business-insurance/cyber-insurance "Cyber Insurance & Data Breach Coverage for Business | biBerk") (Evidence: Company-reported; scope: Entity: biBerk brand; underlying issuing company is policy/state-dependent unless stated. Product: third-party cyber liability. Jurisdiction: United States; availability varies by state unless stated. Limitation: Company-reported; exact issued policy wording and underwriting determine coverage..) |
| Limits and Retentions | 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. [3](https://www.at-bay.com/insurance/cyber/ "Cyber Insurance Coverage & Policy Highlights") (Evidence: Company-reported; scope: Published appetite ceilings, not guaranteed offers; underwriting and the appetite guide control individual accounts..) | biBerk publishes an example base cyber package with $50,000 response expense and $50,000 defense liability limits. [9](https://www.biberk.com/small-business-insurance/cyber-insurance "Cyber Insurance & Data Breach Coverage for Business | biBerk") (Evidence: Company-reported; scope: Entity: biBerk brand; underlying issuing company is policy/state-dependent unless stated. Product: base add-on example limits. Jurisdiction: United States; availability varies by state unless stated. Limitation: Company-reported; exact issued policy wording and underwriting determine coverage..) |
| Risk Services | 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. [3](https://www.at-bay.com/insurance/cyber/ "Cyber Insurance Coverage & Policy Highlights") (Evidence: Company-reported; scope: Product-page InsurSec and footnote descriptions; MDR pricing is described as estimated and subject to change..) | Confirm in your quote. |
| How to Apply | 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. [3](https://www.at-bay.com/insurance/cyber/ "Cyber Insurance Coverage & Policy Highlights") (Evidence: Company-reported; scope: Product-page submission instructions; the Broker Platform route is limited to accounts within its lower appetite ceilings..) | Confirm in your quote. |
| Claims Support | 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. [6](https://www.at-bay.com/claims/ "Claims Handling") (Evidence: Company-reported; scope: Claims-handling page process description; does not establish claim outcomes or payment speed..) | Confirm in your quote. |

## Related Pages for At-Bay vs biBerk Cyber Insurance

- [At-Bay vs biBerk](https://spot.insure/compare/at-bay-vs-biberk): all coverage lines, business roles, service and claims.
- [What Is Cyber Insurance?](https://spot.insure/coverage/cyber): Cyber insurance can help pay covered breach response, data recovery, interruption and liability costs; vendor incidents and funds-transfer fraud need separate checks.
- [At-Bay vs biBerk Professional Liability (E&O) Insurance](https://spot.insure/compare/at-bay-vs-biberk/professional-errors-omissions)
- [AIG vs At-Bay Cyber Insurance](https://spot.insure/compare/aig-vs-at-bay/cyber)
- [AIG vs biBerk Cyber Insurance](https://spot.insure/compare/aig-vs-biberk/cyber)
- [Alliance Risk vs At-Bay Cyber Insurance](https://spot.insure/compare/alliance-risk-vs-at-bay/cyber)
- [Alliance Risk vs biBerk Cyber Insurance](https://spot.insure/compare/alliance-risk-vs-biberk/cyber)
- [Amelia Risk vs At-Bay Cyber Insurance](https://spot.insure/compare/amelia-risk-vs-at-bay/cyber)
- [Amelia Risk vs biBerk Cyber Insurance](https://spot.insure/compare/amelia-risk-vs-biberk/cyber)

## Sources for At-Bay vs biBerk Cyber Insurance

### Sources About At-Bay

1. [Cyber, Tech E&O & Professional Liability Insurance](https://www.at-bay.com/insurance/). At-Bay; Product cards and agency disclosure. Accessed 2026-09-16.
2. [At-Bay Stance](https://www.at-bay.com/stance/). At-Bay; Real Protection Against Real Threats; Endpoint, Email, MXDR; footnotes 1 and 3–6. Accessed 2026-09-16.
3. [Cyber Insurance Coverage & Policy Highlights](https://www.at-bay.com/insurance/cyber/). At-Bay; Cyber Coverage Highlights; Primary & Excess Appetite; InsurSec Packages (Core, Advanced, Complete); footnotes 1–7. Accessed 2026-09-23.
4. [Licenses](https://www.at-bay.com/licenses/). At-Bay; At-Bay Insurance Services LLC producer introduction and 50-state P&C/surplus-lines license table. Accessed 2026-09-23.
5. [At-Bay Begins Issuing Policies on its own E&S Paper](https://www.at-bay.com/press_releases/at-bay-begins-issuing-policies-on-its-own-paper/). At-Bay; August 9, 2023 release: "At-Bay ... has begun issuing Cyber and Tech E&O policies under its Delaware-based Excess and Surplus (E&S) carrier, At-Bay Specialty Insurance Company"; "All E&S Cyber and Tech E&O new business in eligible states and territories is now being quoted on At-Bay Specialty Insurance Company paper, as of August 7, 2023". Accessed 2026-09-23.
6. [Claims Handling](https://www.at-bay.com/claims/). At-Bay; At-Bay Cyber Incident Roadmap; Call an At-Bay Breach Coach; The At-Bay Claims Team. Accessed 2026-09-23.

### Sources About biBerk

7. [Small Business Insurance From biBerk | Get A Quote Online](https://www.biberk.com/). biBerk; Online purchase steps, lines 183–197; small-business audience and industries, lines 231–238; state/type availability, lines 290–295. Accessed 2026-09-28.
8. [About biBerk | Making Small Business Insurance Simple](https://www.biberk.com/about-biberk). biBerk; Making small business insurance simple and direct sales without an insurance broker, lines 72–89; online assistance, lines 76–78. Accessed 2026-09-28.
9. [Cyber Insurance & Data Breach Coverage for Business | biBerk](https://www.biberk.com/small-business-insurance/cyber-insurance). biBerk; Cyber add-on coverage, costs and claims. Accessed 2026-09-28.

### Sources for the Cyber Insurance Guide

10. [Cyber Insurance](https://www.ftc.gov/business-guidance/small-businesses/cybersecurity/cyber-insurance). Federal Trade Commission; Opening; First-Party and Third-Party Coverage; First-Party Coverage; Third-Party Coverage; What Should Your Cyber Insurance Policy Cover. Accessed 2026-09-16.
11. [CyberEdge specimen policy](https://www.aig.com/content/dam/aig/america-canada/us/documents/business/cyber/cyberedge-wording-sample-specimen-form.pdf). AIG; General Terms §§4–6, PDF pp.3–6; Security and Privacy §1 p.11, §2(l)/(p) p.14, §3 pp.15–18, exclusions p.18; Event Management §1 and §2(h), PDF pp.19–20. Accessed 2026-09-16.

Updated 2026-10-01. Spot, a product of Tools for Enlightenment, publishes this research and works in the commercial insurance market. The comparison applies the same criteria to both providers. [Editorial policy](https://spot.insure/editorial-policy). To suggest a correction, [contact Spot](https://spot.insure/contact) with the page URL and supporting source.

## At-Bay Review Scores for 2026

Review Score: 9.5 / 10 from 2 rated sources, equally weighted.

At-Bay’s public review evidence is thin: one old G2 review and a BBB complaint record. It is not enough to judge day-to-day service or claims handling.

- BBB: BBB rating A (A+ to F). At-Bay identity; US commercial insurance review/satisfaction evidence sought on BBB. Period: accessed 2026-09-25. Checked 2026-09-25. [At-Bay | BBB Business Profile](https://www.bbb.org/us/ca/mountain-view/profile/insurance-companies/at-bay-1216-1000025767)
- G2: G2 star rating 4.5 (5 stars); 1 reviews. At-Bay company/product feedback; G2 seller profile identifies its offering as cybersecurity insurance and lists San Francisco headquarters. Not an insurance-policy claims or commercial-buyer satisfaction study. Period: review dated 2020-09-21. Checked 2026-09-25. [At-Bay seller profile and reviews](https://www.g2.com/es/sellers/at-bay)

Reviewed 2026-09-25. [Read the sourced review](https://spot.insure/insurance-providers/at-bay/reviews).

## biBerk Review Scores for 2026

Review Score: 9.0 / 10 from 3 rated sources, equally weighted.

Customers rate biBerk well: Trustpilot shows 4.5 out of 5 from 2,620 reviews, and NerdWallet gives it 4.0. The complaints are about slow service after you buy, billing and audits, and slow refunds.

- NerdWallet: NerdWallet editorial rating 4.0 (out of 5). NerdWallet's own editorial review of biBerk as a US small-business insurer. Not a customer average. Period: updated Feb 13, 2026. Checked 2026-09-29. [biBerk Insurance Review 2026](https://www.nerdwallet.com/business/insurance/learn/biberk-insurance)
- Trustpilot: TrustScore 4.5 (out of 5); 2620 reviews. Trustpilot's biBerk profile. All lines and states; not tied to a specific policy. Period: profile accessed 2026-09-29; 714 in last 12 months. Checked 2026-09-29. [biBerk Business Insurance Reviews](https://www.trustpilot.com/review/biberk.com)
- BBB: BBB business grade A+ (BBB letter grade). BBB Omaha, NE profile for biBerk, a Berkshire Hathaway Company. Grade, reviews and complaints are separate measures. Period: profile accessed 2026-09-29. Checked 2026-09-29. [biBerk, a Berkshire Hathaway Company - BBB profile](https://www.bbb.org/us/ne/omaha/profile/insurance-agency/biberk-a-berkshire-hathaway-company-0714-300108690); [biBerk BBB customer reviews](https://www.bbb.org/us/ne/omaha/profile/insurance-agency/biberk-a-berkshire-hathaway-company-0714-300108690/customer-reviews); [biBerk BBB complaints](https://www.bbb.org/us/ne/omaha/profile/insurance-agency/biberk-a-berkshire-hathaway-company-0714-300108690/complaints)

Reviewed 2026-09-29. [Read the sourced review](https://spot.insure/insurance-providers/biberk/reviews).

## Agent and Developer Resources

- [Markdown page](https://spot.insure/compare/at-bay-vs-biberk/cyber.md)
- [Developer resources](https://spot.insure/developers)
- [Public MCP server](https://spot.insure/mcp)
- [MCP server manifest](https://spot.insure/server.json)
- [OpenAPI description](https://spot.insure/openapi.json)
- [Public page index](https://spot.insure/llms.txt)