ISO endorsement ยท commercial general liability

CG 04 25 Cyber Incident Liability Coverage Subject To Each Cyber Incident Occurrence And Aggregate Limits

Filings
134
latest Oct 6, 2026
Filing companies
62
19 carrier groups
States
47
including DC
Latest edition
12 25
most filed: 12 23

Coverage description

An Insurance Services Office (ISO) standard form. It covers bodily injury and property damage caused by a cyber incident under Coverage A, subject to separate each cyber incident occurrence and aggregate limits, and excludes notification, monitoring, forensic and similar cyber response costs.

Editions

Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.

EditionFilingsCompaniesStatesFiled
12 25Dec 2025Latest451438Jul 2024 to Jun 2026
12 23Dec 2023905247Feb 2023 to Oct 2026

Where filings record what this form replaced, they name earlier edition 12 23. Only some filings record replacements.

What the filings show

  • Edition in use: in the past 12 months, 13 companies filed the 12 23 edition and 8 companies filed 12 25.
  • The newer 12 25 edition first appears Jul 12, 2024 and has been filed by 14 companies in 38 states so far.
  • CG 04 37 (Loss Of Electronic Data Resulting From Physical Injury To Tangible Property Liability Coverage - Subject To Cyber Incident Exclusion) is filed alongside it most often, in 134 of the same filings (100%).

Filed under

Commercial General Liability 125Other Liability 6Other other liability 2Cyber Liability 1

Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Oct 2026, excluding withdrawn and rejected filings.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 CG 04 25, out of 19 in total.

CarrierFilingsStatesEditions, most filed firstLast filed
Insurance Services Office, Inc.Advisory Organization804312 2312 25Apr 9, 2025
Nationwide Corporation Group10 group companies filed it, led by Allied Insurance Company of America and Nationwide Agribusiness Insurance Company111112 23Nov 22, 2023
Siriuspoint GroupSiriusPoint America Insurance Company6112 2312 25Jun 15, 2026
CNA Insurance Group6 group companies filed it, led by American Casualty Company of Reading, Pennsylvania and Continental Casualty Company5312 23Oct 6, 2026
Southern Trust Insurance Company5312 23Jun 24, 2026
Liberty Mutual Group10 group companies filed it, led by Employers Insurance Company of Wausau and LM Insurance Corporation4312 2512 23May 19, 2026
Church Mutual GroupChurch Mutual Insurance Company, S.I.3212 23Jun 26, 2026
Sompo GroupSompo America Insurance Company3112 23Jun 18, 2026
Tokio Marine Holdings Incorporated GroupSafety National Casualty Corporation3112 23Feb 17, 2026
American International Group10 group companies filed it, led by AIG Assurance Company and AIG Property Casualty Company2112 23Feb 7, 2024

How the largest insurers handle CG 04 25

Groups among the largest commercial general liability insurers that filed CG 04 25 or their own version in the past five years.

  • Chubb Limited GroupFiles its own version: LD-385888 Cyber Incident Liability Coverage Subject to Each Cyber Incident Occurrence and Aggregate Limits (25 states)

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States

Number of filings that include CG 04 25 in each state, Oct 2021 to Oct 2026. Darker states have more filings.

Tennessee: 5 filingsTN5Alabama: 1 filingAL1Florida: 0 filingsFLGeorgia: 4 filingsGA4Oklahoma: 2 filingsOK2South Carolina: 6 filingsSC6Arkansas: 2 filingsAR2Missouri: 2 filingsMO2Indiana: 2 filingsIN2Louisiana: 4 filingsLA4Ohio: 1 filingOH1Wisconsin: 0 filingsWITexas: 2 filingsTX2Kentucky: 3 filingsKY3Iowa: 2 filingsIA2Kansas: 2 filingsKS2Mississippi: 2 filingsMS2North Carolina: 1 filingNC1Nebraska: 2 filingsNE2South Dakota: 0 filingsSDMontana: 2 filingsMT2New Hampshire: 2 filingsNH2Virginia: 2 filingsVA2Arizona: 2 filingsAZ2Pennsylvania: 2 filingsPA2Rhode Island: 2 filingsRI2Michigan: 2 filingsMI2Alaska: 1 filingAK1District of Columbia: 2 filingsDC2Idaho: 2 filingsID2Maryland: 3 filingsMD3West Virginia: 2 filingsWV2Utah: 3 filingsUT3Wyoming: 2 filingsWY2Delaware: 1 filingDE1New Mexico: 4 filingsNM4Colorado: 27 filingsCO27Connecticut: 2 filingsCT2Maine: 2 filingsME2North Dakota: 2 filingsND2Illinois: 4 filingsIL4Minnesota: 1 filingMN1New Jersey: 0 filingsNJNew York: 1 filingNY1Massachusetts: 2 filingsMA2Washington: 3 filingsWA3Oregon: 3 filingsOR3Vermont: 2 filingsVT2California: 3 filingsCA3Nevada: 3 filingsNV3Hawaii: 2 filingsHI2
FewerMore filingsNone

Often filed with

Standard-style form numbers that appear in the same filings most often.

  • CG 04 37Loss Of Electronic Data Resulting From Physical Injury To Tangible Property Liability Coverage - Subject To Cyber Incident Exclusion134 filings
  • CG 04 71Loss Of Electronic Data Resulting From Physical Injury To Tangible Property Liability Coverage - Subject To Cyber Incident Exclusion - Deletion Of Bodily Injury Exception132 filings
  • CG 04 95Cyber Incident Liability Coverage And Loss Of Electronic Data Liability Coverage Subject To Loss Of Electronic Data, Each Cyber Incident Occurrence And Aggregate Limits132 filings
  • CG 34 92Cyber Incident Liability Coverage Subject To Each Cyber Incident Occurrence And Aggregate Limits130 filings
  • CG 34 97Exclusion - Cyber Incident130 filings
  • CG 21 08Exclusion - Access Or Disclosure Of Confidential Or Personal Material Or Information (Coverage B Only)127 filings
  • CG 21 06Exclusion - Access Or Disclosure Of Confidential Or Personal Material Or Information125 filings
  • CG 40 35Exclusion - Cyber Incident125 filings
  • CG 00 69Exclusion - Violation Of Law Addressing Data Privacy122 filings
  • CG 33 53Exclusion - Access Or Disclosure Of Confidential Or Personal Material Or Information90 filings

Recent filings

Latest filings that include this form number. Filed copies open in FilingFocus.

SubmittedCompanyStateEditionsTracking number
Oct 6, 2026American Casualty Company of Reading, Pennsylvaniaand 5 moreCA12 23CNAB-135091690
Jun 30, 2026American Casualty Company of Reading, Pennsylvaniaand 5 moreCO12 23CNAB-135005337
Jun 26, 2026Church Mutual Insurance Company, S.I.CO12 23CHMU-134947220
Jun 24, 2026Southern Trust Insurance CompanyGA12 23STTR-134864949
Jun 18, 2026Sompo America Insurance CompanyCO12 23SMPJ-134985965
Jun 17, 2026Atlantic Specialty Insurance CompanyNM12 2512 23BEAC-134983795
Jun 15, 2026SiriusPoint America Insurance CompanyCO12 23MRTN-134978899
Jun 15, 2026SiriusPoint America Insurance CompanyCO12 23MRTN-134978902
May 19, 2026Employers Insurance Company of Wausauand 5 moreKY12 25LWCM-134952492
May 15, 2026Employers Insurance Company of Wausauand 5 moreNM12 25LWCM-134951490
May 14, 2026Employers Insurance Company of Wausauand 5 moreCO12 25LWCM-134945757
Mar 25, 2026SiriusPoint America Insurance CompanyCO12 25MRTN-134759782

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