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Let's recap what we have learned in this section.

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The first thing that you always have to do is to collect all the usernames that you have found on different

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social media accounts or different online accounts.

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This will help you to focus on these usernames without you getting distracted.

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After you collect all the usernames, you can use search engines to search for these usernames, so

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you can use the internal search operator to see whether a certain username has been used in a certain

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URL that is indexed by search engines.

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Next, you can use people search engine or online tools to find additional accounts with the same username.

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So we have learned how we can use ID crawl to search by username to find some social media accounts

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that we were not aware of, and we have learned how we can use What's My Name and Blackbird to find

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more accounts that we didn't find before.

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And we will cover people's search engine in depth in the next section.

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And the last thing that you want to do is to search for this username in leaked databases.

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And once you identify in which data leak or data breach this username has been found, then you can

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either search for this username on the hashed, or you can download the database or the data leak and

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search for this username and find any additional information that are associated with this username.