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Header Enrichment

2 min read

For my own purposes, I've been gathering some links on uses of "header enrichment" (a lovely, Orwellian term), which I hadn't realized was the term typically used to describe network-level insertion of user identifiers (or potentially other information, like billing information) into outgoing network traffic.

We've been talking about this practice in one way or another in the privacy community for years, without common terminology. The push to end-to-end encrypt more web traffic in response to Snowden revelations has spurred active reactions from some middleboxes/network providers who are simultaneously trying to find new sources of revenue.