The string includes facebook install . That suggests the log might be from:

: Periodically search for your organization's name, along with keywords like "password" and "log" to ensure no sensitive information is inadvertently exposed.

To help secure your infrastructure against credential exposure and search engine harvesting, please consider how we should proceed.

Securing your infrastructure against search engine exposure requires a multi-layered approach to file permissions and indexing rules. 1. Move Logs Out of the Web Root

A "script kiddie" or a security researcher looking for "low-hanging fruit" enters the string into Google:

: Access to a personal Facebook account reveals private messages, birth dates, and locations, which can be leveraged for targeted phishing or social engineering. Remediation and Prevention

Each word in this search string targets a specific piece of exposed data [2].

: Tells Google to find pages where all the specified words (username, passwordlog, etc.) appear in the text.

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A developer uploads a log file to a public GitHub repository, then deletes it. But Google has already cached it. Or they move a log file from a private server to a public CDN for “easier sharing.”

Are you looking to set up an to detect exposures?

The Anatomy of a Google Dork: Understanding "allintext:username filetype:log passwordlog facebook install"