Synthient Stealer Log Threat Data
CriticalSynthient exposed 183M email addresses and passwords from internet sources in 2025.
Exposed data classes
Fields reported as compromised in this breach record.
Detailed Analysis
In-depth analysis of the breach and its implications.
In 2025, Synthient consolidated and analyzed a vast repository of threat data sourced from various internet channels. This analysis resulted in identifying 183 million unique compromised email addresses associated with websites where credentials were used and corresponding passwords. This collection, now indexed for detailed searching, provides insights into credential exposure patterns across domains and sites.
Impact Analysis
Understanding the scope and consequences of this breach.
- User Impact
- End users face increased risk of identity theft and unauthorized account access.
- Business Impact
- Organizations may experience heightened vulnerability due to compromised user credentials.
- Affected Sectors
- Information Technology
- Cybersecurity
- Geographic Impact
- Global
What You Should Do
Recommended actions to take in response to this breach.
If You Were Affected
- •Change passwords for affected accounts immediately.
- •Enable two-factor authentication on all accounts.
- •Monitor for suspicious account activity.
Preventive Measures
- •Use strong, unique passwords for each online account.
- •Implement cybersecurity training for end users.
- •Employ password managers for secure credential storage.
Frequently Asked Questions
Common questions about this breach and what it means for you.