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Explore a covert channel technique using only HTML and CSS in HTTP communication through this 28-minute conference talk from BSides Tampa 2020. Learn about the Hex Grid method, witness a live demonstration, and understand the JavaScript function and Python script involved in the process. Examine the receiver's role, test results, performance metrics, and unique aspects of this approach. Discuss potential problems and future developments in this field, concluding with a recap and Q&A session.
