Coverage description
An Insurance Services Office (ISO) standard form. It excludes umbrella coverage for bodily injury, property damage and personal and advertising injury arising from a cyber incident, such as unauthorized system access, malicious code or a denial of service attack.
Editions
Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.
| Edition | Filings | Companies | States | Filed |
|---|---|---|---|---|
| 12 23Dec 2023Latest | 169 | 44 | 47 | Feb 2023 to Sep 2026 |
1 other edition date appears in one or two filings each, often carrier-specific versions: 06 26.
What the filings show
- Edition in use: in the past 12 months, 15 companies filed the 12 23 edition.
- CU 00 05 (Exclusion – Violation of Law Addressing Data Privacy) is filed alongside it most often, in 159 of the same filings (94%).
Filed under
Commercial Umbrella & Excess 169Other Commercial Lines 1
Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Sep 2026, excluding withdrawn and rejected filings. One filing can cover several affiliated companies.
Carriers filing this form
The 10 carrier groups with the most filings that include CU 34 56, out of 22 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Insurance Services Office, Inc.Advisory Organization | 63 | 39 | 12 23 | Jan 14, 2026 |
| Farmers Insurance GroupTruck Insurance Exchange | 26 | 26 | 12 23 | May 16, 2024 |
| Pennsylvania National Insurance GroupPennsylvania National Mutual Casualty Insurance Company | 19 | 19 | 12 23 | Oct 11, 2023 |
| Nationwide Corporation Group3 group companies filed it, led by Nationwide Mutual Insurance Company and Crestbrook Insurance Company | 13 | 11 | 12 23 | Jun 30, 2026 |
| Grinnell Mutual GroupGrinnell Mutual Reinsurance Company | 10 | 10 | 12 23 | Mar 26, 2024 |
| Brethren Mutual Insurance Company | 5 | 5 | 12 23 | Jul 21, 2024 |
| Iowa Farm Bureau Group2 group companies filed it, led by Farm Bureau Property and Casualty Insurance Company and Western Agricultural Insurance Company | 5 | 5 | 12 23 | Aug 14, 2026 |
| Tokio Marine Holdings Incorporated Group2 group companies filed it, led by Safety National Casualty Corporation and Philadelphia Indemnity Insurance Company | 4 | 2 | 12 2306 26 | Jun 2, 2026 |
| Church Mutual GroupChurch Mutual Insurance Company, S.I. | 3 | 2 | 12 23 | Jun 26, 2026 |
| Sompo GroupSompo America Insurance Company | 3 | 1 | 12 23 | Jun 15, 2026 |
How the largest insurers handle CU 34 56
Groups among the largest commercial umbrella and excess insurers that filed CU 34 56 or their own version in the past five years.
- Chubb Limited GroupFiles its own version: 07-02-2999 Exclusion – Cyber Incident (36 states)
- Travelers GroupFiles its own version: XP 03 0201 24 Exclusion - Cyber Incident (38 states)
- Berkshire Hathaway GroupUses CU 34 56 in 1 filing
- WR Berkley Corporation GroupFiles its own version: SP 362 Exclusion - Cyber Incident (20 states)
See more forms
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States
Number of filings that include CU 34 56 in each state, Oct 2021 to Sep 2026. Darker states have more filings.
Often filed with
Standard-style form numbers that appear in the same filings most often.
- CU 00 05Exclusion – Violation of Law Addressing Data Privacy159 filings
- CU 21 86Exclusion – Access Or Disclosure Of Confidential Or Personal Material Or Information141 filings
- CU 34 55Exclusion - Electronic Data - Deletion Of Bodily Injury Exception100 filings
- CU 04 02Loss Of Electronic Data Resulting From Physical Injury To Tangible Property Liability Coverage - Subject To Cyber Incident Exclusion97 filings
- CU 04 54Loss of Electronic Data Resulting From Physical Injury To Tangible Property Liability Coverage - Subject To Cyber Incident Exclusion - Deletion Of Bodily Injury Exception95 filings
- CU 04 98Cyber Incident Liability Coverage Subject To Each Cyber Incident Occurrence And Aggregate Limits94 filings
- CU 04 99Cyber Incident Liability Coverage And Loss Of Electronic Data Liability Coverage Subject To Loss Of Electronic Data, Each Cyber Incident Occurrence And Aggregate Limits94 filings
- CU 21 88Exclusion - Access Or Disclosure Of Confidential Or Personal Material Or Information (Coverage B Only)94 filings
- CU 24 77Noncontributory And Order Of Response – Other Insurance Condition85 filings
- CU 22 37Motor Carrier Endorsement70 filings
Recent filings
Latest filings that include this form number. Filed copies open in FilingFocus.
| Submitted | Company | State | Editions | Tracking number |
|---|---|---|---|---|
| Sep 10, 2026 | SECURA Insurance, A Mutual Company | IL | 12 23 | SEIC-135049056 |
| Aug 14, 2026 | Farm Bureau Property and Casualty Insurance Companyand 1 more | KS | 12 23 | FBLB-135001691 |
| Aug 14, 2026 | Farm Bureau Property and Casualty Insurance Companyand 1 more | NE | 12 23 | FBLB-135001697 |
| Aug 14, 2026 | Farm Bureau Property and Casualty Insurance Companyand 1 more | NM | 12 23 | FBLB-135001703 |
| Aug 14, 2026 | Farm Bureau Property and Casualty Insurance Companyand 1 more | UT | 12 23 | FBLB-135001708 |
| Aug 14, 2026 | Farm Bureau Property and Casualty Insurance Companyand 1 more | SD | 12 23 | FBLB-135001719 |
| Jun 30, 2026 | The Medical Protective Companyand 1 more | IL | 12 23 | MDPC-135002488 |
| Jun 30, 2026 | Crestbrook Insurance Companyand 1 more | CO | 12 23 | NWPP-135003098 |
| Jun 26, 2026 | Church Mutual Insurance Company, S.I. | CO | 12 23 | CHMU-134995025 |
| Jun 19, 2026 | Addison Insurance Companyand 1 more | CO | 12 23 | UNFG-134979875 |
| Jun 15, 2026 | Sompo America Insurance Company | CO | 12 23 | SMPJ-134971280 |
| Jun 2, 2026 | Philadelphia Indemnity Insurance Company | IL | 12 23 | PHLX-134967828 |
Most filed ISO CU forms
- CU 34 54 Exclusion - Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS)
- CU 21 86 Exclusion – Access Or Disclosure Of Confidential Or Personal Material Or Information
- CU 00 05 Exclusion - Violation of Law Addressing Data Privacy
- CU DS 01 Commercial Liability Umbrella Declarations
- CU 21 88 Exclusion - Access Or Disclosure Of Confidential Or Personal Material Or Information (Coverage B Only)
- CU 34 44 Broad Abuse or Molestation Exclusion
- CU 34 55 Exclusion - Electronic Data - Deletion Of Bodily Injury Exception
- CU 22 37 Motor Carrier Endorsement
- CU 21 87 Exclusion - Access Or Disclosure Of Confidential Or Personal Information and Data-Related Liability - Limited Bodily Injury Exception Not Included
- CU 04 02 Loss Of Electronic Data Resulting From Physical Injury To Tangible Property Liability Coverage - Subject To Cyber Incident Exclusion
- CU 04 54 Loss of Electronic Data Resulting From Physical Injury To Tangible Property Liability Coverage - Subject To Cyber Incident Exclusion - Deletion Of Bodily Injury Exception
- CU 00 01 Commercial Liability Umbrella Coverage Form
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