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In this lesson we’ll examine how user identification is performed via DNS servers. What many overlook or ignore is actually a powerful means of identification and deanonymization. We’ll provide real-world examples and review techniques for correctly configuring DNS within a system.

The myth of absolute anonymity in the darknet is stubborn. It's sustained by the marketing of marketplace platforms, fragmentary guides and the confidence that Tor by itself solves all problems. In practice, however, most deanonimizatons happen not because Tor was hacked, but because of systemic...

WebAssembly opens up new possibilities for browser fingerprinting: code execution characteristics can be used to analyze the underlying hardware environment and detect VMs, VPSs, and server hardware. Let’s explore how JavaScript + WASM work together to create a fingerprint, how this technology...

I want to examine a messenger that few people know about, even though its architecture offers a level of anonymity unattainable by most popular apps - including those commonly considered "secure". The problem even good messengers don’t solve Signal encrypts the contents of messages end to...