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The location: operator is the least useful in providing the attacker with sensitive VPN-related information, because it does not directly relate to VPN configuration, credentials, or vulnerabilities. The location: operator finds information for a specific location, such as a city, country, or region. For example, location:paris would return results related to Paris, France. However, this operator does not help the attacker to identify or access VPN servers or clients, unless they are specifically named or indexed by their location, which is unlikely.

The other operators are more useful in providing the attacker with sensitive VPN-related information, because they can help the attacker to find pages or files that contain VPN configuration, credentials, or vulnerabilities. The intitle: operator restricts results to only the pages containing the specified term in the title. For example, intitle:vpn would return pages with VPN in their title, which may include VPN guides, manuals, or tutorials. The inurl: operator restricts the results to only the pages containing the specified word in the URL. For example, inurl:vpn would return pages with VPN in their URL, which may include VPN login portals, configuration files, or directories. The link: operator searches websites or pages that contain links to the specified website or page. For example, link:vpn.com would return pages that link to vpn.com, which may include VPN reviews, comparisons, or recommendations. References:

Google Search Operators: The Complete List (44 Advanced Operators)

Footprinting through search engines

Module 02: Footprinting and Reconnaissance