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Supply Chain Security

NetFlow and IPFIX Explained: Flow Records, Collectors and Privacy

NetFlow and IPFIX turn traffic into flow records: who talked to whom, when, on which ports and how much. How export, collection, security and privacy work.

Oct 23, 202648 min read
Supply Chain Security

How to Build an AIBOM for Closed AI Models, and What to Ask Vendors

You cannot list a closed model's training data, but you can record each model ID, endpoint, data flow and retention setting you use, then ask vendors.

Oct 23, 202642 min read
Supply Chain Security

EU AI Act Training Summaries vs AIBOMs: What GPAI Providers Disclose

Article 53 makes GPAI providers publish a narrative summary of training content, not a dataset-level AIBOM. What the template asks for and what it omits.

Oct 23, 202642 min read
Supply Chain Security

Closed Model Training Data: What You Don't Know and Why It Is a Risk

Closed AI vendors describe training data in prose, not per-dataset lists. What stays unknown, the enterprise risks it creates, and how to manage them.

Oct 23, 202642 min read
Supply Chain Security

Why Anthropic and OpenAI Do Not Publish AIBOMs for Their Models

Anthropic and OpenAI publish system cards and prose training data descriptions, not machine readable AIBOMs. Here is the gap, field by field, and what to do.

Oct 23, 202643 min read
Supply Chain Security

How a Printed Circuit Board Is Made: Laminate to Assembled Board

A PCB starts as glass epoxy clad in copper, is imaged, etched, laminated, drilled and plated, then gets parts soldered on, tested and its first firmware.

Oct 23, 202642 min read
Supply Chain Security

How a Hard Disk Drive Is Made: Platters, Heads, Motors and Firmware

A hard drive is sputtered platters, wafer built heads flying nanometres above them, a spindle motor and firmware. Here is each step, substrate to box.

Oct 23, 202645 min read
Supply Chain Security

Unified Kernel Images Explained: UKI, systemd-boot and Measured Linux Boot

A UKI packs the Linux kernel, initrd and command line into one signed EFI file. Learn how systemd-boot loads it and how PCR 11 lets the TPM unlock disks.

Oct 23, 202646 min read
Supply Chain Security

OpenBSD Release History and Security Innovations: W^X to pledge and unveil

OpenBSD 8.0 (20 October 2026) is its 61st release. Here is every security milestone from W^X and ProPolice to pledge, unveil, KARL and syspatch.

Oct 23, 202644 min read

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