Skip to content
Breaches.

Comcast

Disclosed Feb 8, 201610 years ago616,882 accountsUnverified

In November 2015, the US internet and cable TV provider Comcast suffered a data breach that exposed 590k customer email addresses and plain text passwords . A further 27k accounts appeared with home addresses with the entire data set being sold on underground forums.

What is known

People affected616,882 (accounts in the leaked data, per Have I Been Pwned)
DisclosedFeb 8, 2016
HappenedNov 8, 2015
AttackNot stated
Data exposedEmails, Passwords, Addresses
SectorTech
StatusUnverified: not yet confirmed by an official notice, a filing or the organization
Check your emailHave I Been Pwned

Sources

Source
Have I Been Pwned: Comcasthaveibeenpwned.com · Aggregator

Notices filed

WhereFiledPeople
Have I Been Pwnedaccounts in the dataFeb 8, 2016616,882

Other breaches at Comcast

BreachAffected
Comcast customer data stolen in ransomware attack on collector FBCSOct 4, 20241 year agoVendor breach238K
History of this record
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.

Everything about Comcast

New breaches by email

Wednesdays, only in weeks with newly disclosed breaches, the largest first.

Double opt-in. Unsubscribe any time.