Embedded Browser Audio Watermarking for SaaS Leakage Tracking
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Solution Overview
Problem
Enterprises face challenges in managing access to network resources and monitoring misuse, particularly with sensitive audio data streams from SaaS applications, which can be easily intercepted or recorded, making it difficult to track down leakage sources.
Innovation Solution
An embedded browser intercepts audio data streams from SaaS applications, adding an inaudible digital watermark that includes enterprise-configurable information, such as source and sensitivity, to the audio output, allowing for secure tracking and identification of leaks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If enterprises allow access to network resources via personal devices, then workforce mobility and access flexibility are improved, but security monitoring and leakage tracking become more difficult
Solution Approach 1:
The system embeds watermarks in audio data streams before they are output to personal devices. This preliminary action ensures that tracking information is already present in the audio content, enabling enterprises to identify leakage sources even when audio is transferred to or played on unauthorized personal devices, thus resolving the contradiction between access flexibility and leakage tracking
Solution Approach 2:
The embedded browser acts as an intermediary between the network application and the audio output. It intercepts audio data streams, embeds watermarks, and then allows the audio to proceed to personal devices. This intermediary approach maintains access flexibility while enabling security monitoring, as the watermarking process occurs transparently within the browser without blocking user access
2Measurement precision
If enterprises implement security monitoring for audio data streams, then leakage tracking capability is improved, but system complexity increases
Solution Approach 1:
The embedded browser performs multiple functions: it provides web browsing capabilities, intercepts audio data streams, embeds watermarks, and enables tracking. By consolidating these functions into a single universally deployed component, the system achieves precise leakage detection without proportionally increasing overall system complexity, as the browser already exists as a standard client application
Solution Approach 2:
The watermarking process is automatically performed by the embedded browser without requiring additional security infrastructure or manual intervention. The browser itself provides the security monitoring capability through its audio interception and watermark embedding functions, reducing the need for separate complex security systems while maintaining high detection precision
Data Source
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AI summary
Embodiments described include systems and methods for incorporating a watermark in an audio output. An embedded browser, which is executable on one or more processors of a client device, may detect an audio data stream from a network application accessed via the embedded browser. A watermarking engine of the embedded browser intercepts the audio data stream responsive to detecting the audio data stream. The watermarking engine incorporates a digital signal corresponding to a watermark into the audio data stream, prior to being produced as an audio output by an audio speaker. The watermarking engine causes the watermark to be present in the audio output produced by the audio speaker, the watermark configured to be inaudible by a human and recordable by an audio recording device.