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EFF Guide to Street Level Surveillance

www.eff.org Reference Curated collections & archives Security & privacy Candidate
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Page preview · captured 2026-07-20

Resurfaced independently across 3 calendar years, with breakout response in 2 of them.

submissions
3
submitters
3
observed span
2015–2019
peak thread · 26 comments
166 pts
latest 20+ return · 2018-02-23
119 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

I would like to see them cover Bluetooth and 802.11-based tracking. Most people I've talked to are unaware that their wifi device periodically sends out probe requests containing its unique MAC address (some more frequently than others, in my testing), which can be used to correlate your location and build a profile. It's not even difficult, I set up a Raspberry Pi to do it and graphed the arrival and departure times of individual workers in my office. There are…

It’s saddening but not surprising how much of this technology was developed for killing people abroad, and is now being used against US citizens. Deploying Predator drones that can detect a face at 25kft from Afghanistan on US soil, without any meaningful regulation or political debate, is pretty terrifying.

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
2

100+ points or 50+ comments

Total points
294

reference only — not used in Hall rules or ranking

Total comments
50

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2015-08-06EFF Guide to Street Level SurveillanceFirst breakout · Best threadaestetix16626
2018-02-23A Guide to Law Enforcement Spying TechnologyLatest 20+ point returnlobo_tuerto11924
2019-10-24Street level surveillance: a guide to law enforcement spying technologyanigbrowl90