Headless Browser URL Tracking Parameter Stripping
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Solution Overview
Problem
Web links often contain tracking parameters that redirect users through tracking domains, posing security risks such as malware and phishing attacks by tracking online movements and exposing devices to threats.
Innovation Solution
A method involving a headless browser operating in an isolated environment to identify and replace tracking parameters in URLs, ensuring safe navigation by redirecting users through a destination URL without tracking parameters, using a security server that simulates user device features and stores tracking data for analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If users select web links containing tracking parameters, then users can access destination web pages, but users are exposed to security risks including malware and phishing attacks through tracking domains
Solution Approach 1:
A security server acts as an intermediary between the user's browser and the destination web page. When a user clicks a web link, the security server intercepts the request, analyzes the URL for tracking parameters, and either blocks the request or strips tracking parameters before forwarding to the destination. This mediator approach allows users to access web pages safely without directly exposing their devices to malicious tracking domains.
Solution Approach 2:
The system performs preliminary analysis of web links before users navigate to destination pages. The security server proactively scans URLs for tracking parameters, evaluates potential security risks, and prepares a safe navigation path in advance. This preliminary action prevents users from accidentally navigating to malicious tracking domains while maintaining seamless access to legitimate destinations.
2Reliability
If tracking parameters are removed from URLs, then user security is improved, but the ability to track user navigation for analytics purposes is reduced
Solution Approach 1:
The system segments the URL into different components (destination parameter, tracking parameters) and processes them separately. The security server identifies and extracts the essential destination information while isolating and removing tracking parameters. This segmentation allows the system to preserve useful navigation information while eliminating harmful tracking data, achieving both security and analytics needs through separate handling of URL components.
3Measurement precision
If a headless browser in an isolated environment is used to evaluate URLs, then accurate identification of tracking parameters is achieved, but system complexity increases
Solution Approach 1:
Instead of analyzing URLs purely through text pattern matching, the system creates a virtual copy of the browser environment (headless browser in isolated container) to actually execute and observe the URL's behavior. This copying approach allows precise identification of tracking parameters by watching what domains the URL attempts to contact, providing high measurement precision through behavioral analysis rather than just static text analysis.
Data Source
AI summary
Protecting against a tracking parameter in a web link. In one embodiment, a method may include receiving an input URL during a browser navigation session on a user device, the input URL including parameters, determining that the parameters include a tracking parameter, pausing the browser navigation session on the user device, launching the input URL in a headless browser that operates in an isolated environment that simulates one or more features of the user device, landing on a destination web page in the isolated environment, identifying a URL of the destination web page as a destination URL, and resuming the browser navigation session on the user device by replacing the input URL, which includes the tracking parameter, with the destination URL, which does not include the tracking parameter, in order to protect the user device from the tracking parameter.