- We scan dark web marketplaces, ransomware leak sites, and infostealer channels continuously. When your credentials appear, you get an alert. We crack hashed passwords to plaintext so you know exactly what to reset.
- Monitor your employees, customers, and third-party vendors. Breachsense tracks leaked usernames, passwords, and session tokens. You’ll know about vendor breaches before they hit your organization.
- Integrate with your security stack via API. Push alerts to your SIEM or SOAR. Trigger automated password resets. No manual dark web browsing required.
Data Breach Monitoring
Search Leaked Breach Files for Your Company’s Data
When a vendor gets hit by ransomware, your data might be in the dump. Breachsense indexes leaked files from ransomware attacks and lets you search for your company name, employee names, or any string. Know exactly what was exposed. Find leaked credentials in stealer logs. Get alerts when your data appears.
Book a demo
How Breachsense Monitors Data Breaches
Detect Breaches in Minutes, Not Months
The average company takes 204 days to discover a breach. Breachsense customers find leaked credentials within hours. That gap is the difference between a password reset and a ransomware incident.
API-First Platform for Security Teams
Built for integration, not dashboards. Push breach alerts to Splunk, Sentinel, or your SOAR. Trigger automated remediation workflows. Query our database directly via REST API.
Full-Text Search on Leaked Files
Search across millions of leaked documents from ransomware attacks. Find your company name, employee names, or domain in vendor breach dumps. Know exactly what was exposed without manually reviewing thousands of files.
Trusted by Enterprise Security Teams and Pen Testers
Our team uses Breachsense data to gain initial access during pen testing and red team engagements. The API is simple to use and the support is always helpful and responds quickly.
Gordon Maddern
Technical Director, Red Cursor
Our Security Colony platform relies on Breachsense data as part of our dark web monitoring service. The data is continuously updated and high quality. Highly recommend!
Nick Ellsmore
SVP Professional Services, Trustwave
We rely on Breachsense for a lot of data. Their frequent database updates, constant availability, and handling of big and small breaches alike means we are always covered.
Bill Mathews
CTO, Hurricane Labs
Data Breach Monitoring Resources
Guides for security teams on breach detection and response
Data Breach Detection: 5 Critical Steps
Our guide on detecting breaches early. Learn the methods, tools, and indicators that help security teams identify unauthorized access before it becomes catastrophic.
Learn MoreHow to Find Data Breaches
Discover where your company’s data has been leaked. We cover the top services and techniques for searching dark web marketplaces, breach dumps, and criminal forums.
Learn MoreEquifax Data Breach Case Study
Learn from one of history’s most catastrophic breaches. This case study breaks down how 147.9 million records were exposed and what organizations can learn from Equifax’s mistakes.
Learn MoreData Breach Detection Tools
Compare the leading breach detection platforms. Understand the key capabilities that separate basic scanners from enterprise-grade monitoring solutions.
Learn MoreCost of a Data Breach
Quantify breach impact with the latest statistics. Discover how breach costs break down across detection, response, lost business, and regulatory fines.
Learn MoreDark Web Monitoring
Understand how continuous dark web monitoring complements breach detection. Learn what sources we monitor and how we turn dark web intelligence into actionable alerts.
Learn MoreCompromised Credential Monitoring
Detect leaked employee and customer credentials before attackers exploit them. Essential for preventing account takeover and unauthorized access.
Learn MoreBreach Protection Platform
Explore our breach protection platform. See how we combine detection, monitoring, and threat intelligence into a unified solution.
Learn MoreFrequently Asked Questions
Data breach monitoring is the continuous process of scanning dark web marketplaces, criminal forums, and private channels for your organization’s compromised data. It alerts security teams the moment employee credentials or sensitive company data appears in a breach. This lets you reset passwords, terminate sessions, and prevent account takeover before attackers exploit the leaked data. Security teams typically use data breach detection tools to automate monitoring across thousands of sources.
We continuously track millions of dark web sources including IRC and Telegram channels, private cybercrime forums, and ransomware leak sites. You’ll get instant alerts the moment we detect your:
- Employee or customer credentials * C-level executive account access * Remote access credentials (SSH, RDP, FTP) * Internal emails or confidential documents * Corporate or government-issued employee IDs This lets you reset passwords and lock down compromised accounts before attackers exploit them.
Real-time breach detection lets you respond within minutes instead of weeks or months. The moment we detect compromised data, you can:
- Reset passwords before account takeover occurs * Terminate active sessions to block unauthorized access * Prevent fraudulent purchases with stolen payment data * Upgrade security controls to address specific vulnerabilities This speed reduces breach costs by an average of $1.9 million compared to delayed detection.
No, they’re different. A data breach involves malicious unauthorized access where attackers compromise a system to steal data. A data leak is accidental exposure of data, often from misconfigurations or human error. Both require monitoring, but breaches typically involve external attackers while leaks can happen without malicious intent. You need to monitor for both to protect your organization’s sensitive information.
Breachsense allows you to search across multiple data breaches, infostealer logs, and combo lists to see if your data has been breached. Use the Breachsense dark web scanner to see which of your organization’s accounts have been compromised.
Detecting a data breach requires continuous monitoring across dark web marketplaces, criminal forums, and ransomware channels for compromised data. By tracking leaked credentials and patterns of unusual activity, you can identify breaches early. Following CISA’s breach prevention guidance alongside continuous monitoring provides a strong defense.
According to IBM’s 2025 Cost of Data Breach Report, the global average cost reached $4.4 million in 2025. Organizations with extensive AI-driven security operations saved $1.9 million compared to those without. Real-time data breach monitoring reduces detection time from months to minutes, significantly lowering breach costs across incident response, legal fees, regulatory fines, and lost business.