Adobe

Disclosed Oct 3, 201338,000,000 affectedConfirmed

Attackers steal Adobe source code and data on 38 million active users

Adobe disclosed attacks that took customer IDs, encrypted passwords and data on 2.9 million customers including encrypted card numbers, plus source code; it later said about 38 million active users were affected, while a leaked file held about 152 million records.

What is known

People affected	38,000,000 (as reported by the organization)
Disclosed	Oct 3, 2013
Happened	Oct 4, 2013
Attack	Hacking
Data exposed	EmailsPasswordsNamesPayment cardsSource code
Sector	Tech · US
Status	Confirmed
Check your email	Have I Been Pwned

Sources

Aggregatorhaveibeenpwned.com

Have I Been Pwned: Adobe

The organizationblog.adobe.com

Important Customer Security Announcement

Newsbbc.co.uk

Adobe hack: At least 38 million accounts breached

Notices filed

TotalOct 3, 2013

Research38,000,000 people

Accounts in the dataDec 4, 2013

Have I Been Pwned152,445,165 people

History of this record

source_type2026-09-25

aggregator to companyby seedSource

source_url2026-09-25

https://haveibeenpwned.com/Breach/Adobe to https://blog.adobe.com/en/publish/2013/10/03/important-customer-security-announcementby seedSource

status2026-09-25

disclosed to confirmedby seedSource

verified_by2026-09-25

empty to researchby seedSource

verified2026-09-25

0 to 1by seedSource

country2026-09-25

empty to USby seedSource

attack2026-09-25

unknown to hackingby seedSource

data_types2026-09-25

["emails","passwords"] to ["emails","passwords","names","payment-card","source-code"]by seedSource

records_basis2026-09-25

hibp to organizationby seedSource

records2026-09-25

152445165 to 38000000by seedSource

disclosed2026-09-25

2013-12-04 to 2013-10-03by seedSource

summary2026-09-25

In October 2013, 153 million Adobe accounts were breached with each containing an internal ID, username, email, encrypted password and a password hint in plain text. The password cryptography was poorly done and many were quickly resolved b to Adobe disclosed attacks that took customer IDs, encrypted passwords and data on 2.9 million customers including encrypted card numbers, plus source code; it later said about 38 million active users were affected, while a leaked file held abby seedSource

title2026-09-25

empty to Attackers steal Adobe source code and data on 38 million active usersby seedSource

Added2026-09-25

First recordedby backfillSource

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

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