Your credentials are likely already for sale, and you might not even know it. Our latest intelligence analysis reveals a staggering reality: 18,976,643,999 individual records have been compromised across 14,699 distinct breaches tracked in the HEROIC database. But what's most alarming isn't the scale—it's how the nature of these breaches has fundamentally changed.
The Stealer Log Epidemic
Stealer logs now represent 8,892 breaches—more than 60% of all incidents we track. This isn't an accident; it's the natural evolution of cybercrime economics. Unlike traditional database breaches that require sophisticated network intrusions, stealer malware operates on a disturbing business model: mass infection of ordinary users through malicious downloads, phishing emails, and compromised software.
Once installed, these information-stealing trojans silently harvest everything—browser passwords, cookies, cryptocurrency wallets, authentication tokens, and browsing history. The stolen data is then packaged into "logs" and sold in bulk on underground forums.
Recent entries in our database paint a vivid picture of this ecosystem. Just this month, we've indexed breaches like "POWERCLOUDMAIN SHTORM," "BreachForumsCloud," and "Obsidian Project"—all uploaded by anonymous Telegram users. While individually these contain relatively few records (712 to 10,367 each), they represent the continuous, automated flow of fresh credentials into criminal marketplaces.
Combolists: The Weaponization of Stolen Data
The second-largest category reveals another troubling trend. Database combolists account for 1,717 breaches in our index. These aren't original breaches—they're aggregated collections of credentials compiled from multiple sources.
Consider the scale: The XSS.IS Combolist contains 2.47 billion records, while "Misc Combolists" holds another 1.93 billion. These massive compilations serve as credential-stuffing arsenals, allowing attackers to test username-password combinations across thousands of websites simultaneously.
The Ga$$Pacc Collection (518 million records) and AntiPublic (348 million records) demonstrate how criminals continuously merge, deduplicate, and refresh their databases with plaintext passwords—making them immediately actionable for attacks.
The Password Problem Persists
Despite years of security awareness campaigns, 10,629 breaches contain plaintext passwords—credentials stored without any encryption or hashing. That's over 72% of all incidents. Even more concerning, our data shows that 1,822 verified breaches still expose passwords in readable format.
When you examine the top breaches, nearly all contain plaintext credentials:
- XSS.IS Combolist: emails, usernames, and plaintext passwords
- Collection #1: 649 million records with immediately usable credentials
- Pemiblanc: 344 million email-password pairs in clear text
This means attackers don't need decryption skills or computing power. They can simply log in as you, immediately, on any service where you've reused that password.
Beyond Passwords: The Full Digital Profile
Modern breaches harvest comprehensive personal profiles. Our analysis shows email addresses appear in 14,189 breaches, URLs in 8,799, and phone numbers in 1,021. First and last names appear in over 1,400 breaches each.
The Verifications.io breach exemplifies this data fusion threat—722 million records containing emails, phone numbers, and full names. The Chinese social network Weibo exposed 503 million phone numbers. This combination enables sophisticated social engineering, SIM-swapping attacks, and identity theft far beyond simple account takeovers.
What This Means for You
The data tells an uncomfortable truth: if you've had an email address for more than a few years, your credentials are almost certainly compromised. With nearly 19 billion records exposed and new stealer logs appearing daily, the question isn't whether you're in a breach database—it's how many times.
Here's what you must do:
Immediately check your exposure. Don't wait until you notice suspicious account activity. With 9,560 verified breaches in our database, specific details about your compromised accounts are likely already documented. You need to know exactly which credentials have been exposed and where.
Assume password reuse equals instant compromise. If you've used the same password across multiple services, and any one of them appears in our 1,822 plaintext password breaches, attackers can access all those accounts immediately.
Enable multi-factor authentication everywhere. Even with stolen passwords, MFA blocks most automated credential-stuffing attacks that leverage these massive combolists.
Take Action Now
The breach landscape has evolved from isolated incidents to a continuous deluge of stolen credentials. Stealer malware operates 24/7, harvesting fresh data from infected systems. Combolist aggregators constantly merge and refresh their databases. Criminal marketplaces process this stolen data with industrial efficiency.
Your first step is visibility. Find out exactly which of your credentials have been exposed. Our database indexes 14,699 distinct breaches across nearly 19 billion records—including specific data types, breach dates, and exposure details.
Check your email, username, or phone number at LeakedSource to see your complete exposure profile across all indexed breaches. You can't protect what you don't know is compromised.
Don't become another statistic in the next billion-record breach. Your digital security starts with knowing where you're already exposed.