Comcast Cable Communications, LLC

Companies / web services

Aliases / services: コムキャスト・ケーブル / Xfinity / エックスフィニティ / Comcast Cable Communications, LLC
Official website: https://www.xfinity.com/

Sources identifying the operating company

https://www.xfinity.com/corporate/legal/visitoragreement

Each response applies only to its stated service scope. “Not listed” does not mean unpatched or unaffected.

Response status by service

Xfinity customer accounts

Response status: Not listed
Response information checked: 2026-10-29

Current re-audit: Related incident verified; PHP connection not stated · Research date: 2026-10-29

An October 16–19, 2023 intrusion exploited a Citrix vulnerability. Usernames and hashed passwords, plus contact details, birth dates and partial Social Security numbers for some customers, were taken.

Scope: A PHP connection and response to the current PHP vulnerabilities are not listed.

What users should do

Complete the Xfinity password reset, change reused passwords elsewhere and enable multifactor authentication.

Official service URL

https://www.xfinity.com/

Source URLs

2023-12 official security noticehttps://assets.xfinity.com/assets/dotcom/learn/Data-Incident.pdfService and operation documentation

Related official sources

Operator and official informationOfficial information directoryIdentifies Comcast Cable Communications, LLC and the relevant service scope.
2023-12 official security noticeOfficial notice; link to this PHP incident unconfirmedAn October 16–19, 2023 intrusion exploited a Citrix vulnerability.