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Supply Chain Security

How Wireless Earbuds Are Made: LE Audio Chips, Batteries and Firmware

True wireless earbuds pair a Bluetooth audio SoC with MEMS mics, a tiny lithium cell and signed firmware. How they are built, tested, updated and paired.

Oct 24, 202639 min read
Supply Chain Security

How to Remove Your Data from Data Brokers: Delete Act, DROP, Opt-Outs

California's DROP sends one deletion request to every registered data broker. How it works, how opt-outs and GDPR requests compare, and what lasts.

Oct 24, 202645 min read
Supply Chain Security

Mobile Advertising IDs Explained: IDFA, GAID, ATT and How to Reset Them

IDFA and Google's advertising ID let apps link your activity across companies. How they work, what ATT changed, and how to reset or delete them today.

Oct 24, 202644 min read
Supply Chain Security

The Sovereign Tech Agency Explained: Public Money for Open Source

The Sovereign Tech Agency is Germany's public funder for open source infrastructure. Learn its programmes, how it picks projects and what it changes.

Oct 24, 202640 min read
Supply Chain Security

Software Freedom Conservancy Explained: Projects, GPL Enforcement

Software Freedom Conservancy is a 501(c)(3) charity, founded in 2006, that sponsors open source projects and enforces the GPL. Here is how it works.

Oct 24, 202644 min read
Supply Chain Security

MCP Apps Explained: Interactive UI from MCP Servers and How to Secure It

MCP Apps let an MCP server ship an HTML view that the host renders in a sandboxed iframe. How it works, where it is weak, and how to lock it down.

Oct 24, 202645 min read
Supply Chain Security

WebMCP Explained: Website Tools for Browser Agents and How to Secure Them

WebMCP lets a web page register JavaScript tools that browser agents call in the user's session. How the API works, the risks, and how to lock it down.

Oct 24, 202646 min read
Supply Chain Security

A Shared Vision of SBOM Explained: The 2025 Multinational Guidance

CISA, NSA and 16 partner agencies issued A Shared Vision of SBOM in September 2025. What it asks, what it leaves open, and how to meet each regime.

Oct 24, 202644 min read
Supply Chain Security

The Doppler Effect Explained With Worked Examples: Sirens to Radar and GPS

The Doppler effect shifts a wave's frequency when source or observer moves. Formulas, siren, satellite, radar and GPS worked examples, and its history.

Oct 24, 202649 min read

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