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Dark Web Monitoring Platform & Breach Detection 2026 | DarkThreatX
Plain-English definitions of the dark web, breach and threat-intelligence terms you will encounter. A reference for security teams, MSPs and anyone protecting their data.
The part of the internet intentionally hidden and accessible only through anonymising software such as Tor, where stolen data and illicit goods are frequently traded.
All web content not indexed by search engines, including private databases and login-protected pages. Most of it is legitimate, unlike the dark web.
The Onion Router, an anonymity network used to access .onion sites and host much of the dark web.
A package of data harvested from an infected device by infostealer malware, typically containing saved passwords, cookies, autofill data and system details.
Malware such as RedLine, Lumma or Raccoon that silently steals credentials, cookies and files from a victim device and exfiltrates them for sale.
A bulk list of email and password pairs compiled from breaches, used for credential-stuffing attacks.
An attack that uses leaked username and password pairs to automatically attempt logins across many services, exploiting password reuse.
A criminal who gains and then sells access to compromised networks, often to ransomware groups.
A site where text is posted publicly; attackers use them to leak or share stolen data and credentials.
A dark web site where ransomware groups publish stolen data to pressure victims who refuse to pay.
An incident in which protected data is accessed or disclosed without authorisation, often ending up for sale on the dark web.
Stealing active session tokens so an attacker can hijack a logged-in session and bypass passwords and MFA.
The trade and fraudulent use of stolen payment-card data on underground forums and marketplaces.
Personally identifiable information such as names, addresses, IDs and dates of birth that can be used for identity theft.
Publishing private personal information about an individual online, often to harass or enable fraud.
Collected and analysed data about threats and threat actors used to anticipate and defend against attacks.
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