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Cybersecurity research, writeups, and threat analysis by buchodi.
News
Meta's smart glasses companion app ships a complete, dormant face-recognition pipeline on a stock account.
Stella is the companion app for Meta's smart glasses. Inspecting version 273.0.0.21 of the Android build (com.facebook.stella), I found the entire computational and storage stack for on-device facial recognition: three face models, a local database schema
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AppLovin's mediation protocol.
I broke the cipher AppLovin wraps around its ad-mediation traffic and decrypted several thousand real requests captured. The conclusion is straightforward: The encrypted bid request carries enough device data to deterministically re-identify the same iPho
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How ChatGPT serves ads. Here's the full attribution loop.
OpenAI's ad platform has two halves. On the ChatGPT side, the backend injects structured single_advertiser_ad_unit objects into the conversation SSE stream while the model is responding. On the merchant side, a tracking SDK called OAIQ runs in the visitor
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Cracking a Malvertising DGA From the Device Side
When piracy streaming sites inject third-party JavaScript into your browser, the domains hosting that JavaScript are designed to be invisible. They rotate every three hours, use algorithmically generated names on cheap TLDs, and vanish before anyone notic
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Apple's Spotlight Search Results Come With Engagement Metrics. No One Knew.
How Apple's Spotlight API exposes undocumented interaction data for every search result it serves to over a billion devicesWhen an iPhone user types a query into Spotlight, Apple's servers return ranked results spanning web pages, apps, maps, news, knowle
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