Leaked Credentials Monitoring

Credentials leak through multiple channels. Infostealer malware infects devices and harvests saved browser passwords. Third-party breaches expose credentials when vendors get hacked. Credential harvesting through phishing tricks users into entering passwords on fake sites. Once leaked, credentials end up in stealer logs and dark web marketplaces.

Leaked credentials monitoring scans dark web marketplaces and infostealer logs for exposed login credentials linked to your organization. It also covers breach databases and criminal forums. When employee passwords appear in these sources, you get an alert so you can reset them before attackers exploit the exposed data.

Because credentials leak constantly and attackers move fast. IBM X-Force 2025 reports an 84% increase in phishing emails delivering infostealers. These infections harvest passwords from employee devices and dump them into stealer log channels within hours. Without monitoring, you won’t know credentials are exposed until attackers use them for account takeover or lateral movement.

Act fast. Reset the exposed passwords immediately and terminate any active sessions for affected accounts. Check for signs of unauthorized access or suspicious activity. If the credentials were harvested by infostealer malware, the infected device needs to be isolated and remediated. Finally, notify affected users and enforce a password change.

Leaked credentials are exposed but not necessarily being used by attackers yet. Compromised credentials are actively being exploited. Think of it as a timeline: credentials get leaked first, then attackers find them, then they become compromised. Leaked credentials monitoring catches them early in this timeline, while compromised credential monitoring detects active exploitation.