QuinStreet
HighThe QuinStreet breach in late 2015 exposed 4.9 million user records across 28 technology forums.
- Records exposed
- 4,907,802 records
- Breach date
- Breach Dec 14, 2015
- Last update
- Updated Dec 17, 2016
What data was exposed?
Fields reported as compromised in this breach record.
Why does this breach matter?
In-depth analysis of the breach and its implications.
In late 2015, the performance marketing enterprise QuinStreet experienced a security breach compromising 28 of its online platforms, primarily technology-focused forums. Over 4.9 million user records were exposed, including dates of birth, email addresses, IP addresses, usernames, website activity, and passwords protected with salted MD5 hashes. QuinStreet responded by notifying affected users and enforcing password resets.
Impact Analysis
Understanding the scope and consequences of this breach.
- User Impact
- Users faced potential exposure of their personal information, leading to targeted phishing risks.
- Business Impact
- The organization faced reputational damage and increased scrutiny on its security practices.
- Affected Sectors
- Technology
- Marketing
- Geographic Impact
- Global
What You Should Do
Recommended actions to take in response to this breach.
If You Were Affected
- •Change any reused passwords that match those used on QuinStreet-affiliated sites.
- •Monitor online accounts for suspicious activity.
Preventive Measures
- •Utilize complex, unique passwords managed with a password manager.
- •Enable multi-factor authentication on accounts.
Frequently Asked Questions
Common questions about this breach and what it means for you.