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Most people know that stolen passwords are traded online. What is harder to know is whether any of those passwords belong to employees at your company.
That is the problem Lunar is trying to solve. Built by Webz.io, Lunar monitors exposed company credentials and alerts organizations when their data appears in breaches, criminal databases or information stolen directly from infected computers.
The idea is similar to personal credit monitoring, but for a company’s digital identity. Instead of waiting to discover that someone has logged into an account, Lunar gives a business an earlier signal that the information needed for that login may already be circulating online.
A breach can start on an employee’s home computer
Corporate data does not always leave a company through an attack on its own systems.
An employee may download malicious software onto a personal computer while using it for work. This type of malware, commonly called an infostealer, quietly collects passwords, browser cookies, saved login details and information about the infected device.
If the employee has logged into work applications from that computer, corporate credentials can become part of the stolen data. The company itself may remain untouched while access to its email, cloud tools or internal systems is packaged for criminals.
Traditional security software usually concentrates on activity inside the company’s network. Lunar looks for what has already escaped into external sources.
Start with a company domain
Lunar is designed to make this kind of monitoring accessible beyond large security departments.
A company creates an account, verifies that it controls its internet domain and can then see whether email addresses connected to that domain appear in known data breaches, credential collections or infostealer records.
The results show the types of exposure found and when they appeared. More detailed information can include the affected username, malware involved, infected device data, exposed services and other forensic details that help a company understand what happened.
This matters because a leaked email address alone says very little. A recent record containing a working password or browser session may require immediate action. An old breach involving a retired account carries a different level of risk.
Finding the password before it is used
Companies often discover stolen credentials only after someone tries to use them. At that point, an attacker may already have entered an account, downloaded data or moved into other systems.
Earlier visibility changes the response. A company can reset the exposed password, terminate active sessions, check the employee’s device and review the affected account for suspicious activity.
Lunar does not replace password managers, multifactor authentication or endpoint protection. It covers a different part of the problem: informing a company when its information has appeared outside the systems it controls.
That makes it useful even for organizations with basic IT operations. The person receiving an alert could be a security analyst, an IT administrator, a founder or an operations manager. They do not need to understand criminal forums or know where stolen data is traded. Lunar turns those sources into a list of company-specific events.
Making breach visibility a standard business tool
Large companies already pay threat intelligence providers to monitor stolen data. Smaller organizations often lack the budget and staff to do the same, even though their employees use the same cloud platforms and face the same credential-stealing malware.
Lunar offers free monitoring so a company can see whether exposure exists before deciding whether it needs more advanced capabilities. Its paid features add deeper forensic information, faster alerts, filtering and integrations with tools such as email, Slack and Microsoft Teams.
The larger idea is simple: a company should not need to become a cybersecurity specialist to learn that its credentials have been stolen.
Every organization regularly checks its bank accounts, software usage and website availability. Checking whether company access credentials have appeared in a breach may soon become another ordinary part of running a business.
Lunar is built around the belief that knowing about the exposure is the first step. Once a company knows which account is affected, where the information came from and how recent it is, it has a chance to act before the stolen data becomes an active intrusion.
