Adobe 2013 Data Breach
ObscureIQ Breach Intelligence
Low SeverityWebsite / service breach
Adobe Creative Software Platform Breach (2013): 152 Million User Accounts Including Weakly Encrypted Passwords & Hints Exposed
Software company focused on digital media.
Verified by ObscureIQ Intelligence
23/100Breach Risk Index
5Data Value
25Market Recency
512dSince Breach
Breach Intelligence Summary
Entity: Adobe · Actor: Unknown · Sources: 9 references
Attack: Unknown
Profile: Company · Digital media and creative software · SaaS and enterprise software platform · Global
Timeline: Breach (2013-10-04) · Indexed (Dec 01, 2024) · Year (2013)
Exposure: 152.4M records · 4 fields: Email Address, Password, Password Hint, Username
Status: Confirmed
Executive Summary
Adobe suffered one of the largest credential breaches in consumer software history when attackers accessed its systems in October 2013. The breach exposed approximately 152 million user accounts. Adobe confirmed that attackers also accessed source code for multiple products, though the method of entry was not publicly disclosed. The exposed data included usernames, email addresses, encrypted passwords, and password hints stored in plain text. The encryption used was weak symmetric encryption rather than proper password hashing, meaning passwords could be and were largely recovered from the ciphertext. The plain-text hints compounded the problem further, often revealing the passwords directly or narrowing guesses to a small number of possibilities. Together, these failures turned what might have been a partial exposure into near-complete credential disclosure at massive scale. Adobe notified affected users and the breach drew scrutiny from regulators and security researchers. For the roughly 152 million people affected, the practical risks remain real even years later. Recovered credentials from this breach have circulated in criminal markets and been used in credential-stuffing attacks, where stolen username-password pairs are tested against other services. Anyone who used the same password on Adobe as on other accounts, and who has not since changed those passwords, remains at risk of unauthorized access across any service where those credentials match.
ObscureIQ assessment: Exposure enables account takeover, phishing, and business impersonation. Adobe’s role in creative, document, and enterprise workflows also makes downstream fraud and document-themed attacks more effective.
Breach Impact
The 2013 Adobe breach remains one of the most consequential consumer-software credential exposures ever disclosed. Adobe said attackers illegally accessed customer information and source code for multiple products, while HIBP says roughly 153 million accounts were affected and that the exposed data included internal IDs, usernames, email addresses, encrypted passwords, and password hints stored in plain text. That combination made the breach especially damaging because weak password cryptography and visible hints materially increased password recovery, credential stuffing, phishing, and account takeover risk at enormous scale.
About Adobe
Adobe is a global software company focused on creative tools, digital documents, and experience technologies for individuals, enterprises, and governments. Its core business spans Creative Cloud, Document Cloud, Acrobat, Express, Firefly, and enterprise digital experience products, making it one of the most important infrastructure companies in modern creative and document workflows.
Why They Hold Your Data
Digital media and SaaS platforms collect user identity, billing records, subscription history, project-linked metadata, enterprise account data, and collaboration activity across creative and document workflows.
Recent Developments
Adobe’s recent public posture has been defined by aggressive AI integration across its product stack. In fiscal Q1 2026, the company reported that AI-first ARR had more than tripled year over year, and in March 2026 Adobe announced further Firefly expansion plus agentic AI assistants across Photoshop, Express, and Acrobat, reinforcing that AI-led workflow expansion is central to its current strategy.
Data Points Exposed
4 verified field types
Email Address
Password Critical
Password Hint High
Username
Field names are shown in full for clarity and search visibility. Canonical machine keys are emitted only in this page’s structured data.
Exploitation & Downstream Threats
Threat Activity:Critical
Primary downstream threats:
- Credential stuffing against reused passwords across other platforms
- Targeted phishing campaigns using exposed email addresses
Threat vectors:
- Phishing, credential stuffing & account takeover
- Credential stuffing & account takeover
- Hint-assisted brute force
- Cross-platform tracking & credential stuffing
Recommended Actions
If you believe your information may be included:
Change Reused Passwords
Update this account and anywhere you reused the password; use a manager.
Enable MFA Everywhere
Turn on multi-factor authentication on email first, then financial accounts.
Report & Recover
If you spot misuse, start an official recovery plan and report fraud.
Frequently Asked Questions
What happened in the Adobe breach?▾
Adobe suffered one of the largest credential breaches in consumer software history when attackers accessed its systems in October 2013. The breach exposed approximately 152 million user accounts. Adobe confirmed that attackers also accessed source code for multiple products, though the method of…
What data was exposed?▾
Verified fields include Email Address, Password, Password Hint, Username.
What should I do if I was affected?▾
Change reused passwords, enable MFA, and (if identity or financial data is involved) freeze your credit and monitor your accounts.
Sources & References
Every claim on this page is traceable. This breach draws on:
Breach Index
Breach Index
Cross-source
9ghz
Cross-source
BreachForums_Official_Index
Cross-source
DataViper.io
Cross-source
Dehashed
Cross-source
LeakBase.pw
Cross-source
databases.today
ObscureIQ Intelligence
ObscureIQ proprietary analysis
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