March 2021
Intermediate to advanced
400 pages
14h 24m
English
Content preview from Wireless and Mobile Device Security, 2nd Edition
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Cross-Site Profiling
Cross-site profiling occurs when a browser accepts cookie requests from third-party advertisers on the website the user is visiting. Most browsers allow third-party cookies by default, although Safari on the iPhone browser does not. (It must be specified in the Preferences screen.) Cross-site profiling is a problem because it allows advertisers and giants like Google to track users across many sites. Google, for example, advertises on many sites, and can track the customer’s movements by collecting third-party cookies via JavaScript that runs in the ads on the host website. Although the information is anonymous, over time, with enough data, advertisers can profile the customer’s interests and preferences, and through cookies ...