People¶

Being watched, for most people, is not a decision someone made about them. They were swept into systems built to collect everyone, before any question of individual interest arises. That changes what defence means: the instinct to hide is largely beside the point, and the useful work is shrinking the surface a person presents and keeping the data already held about them accurate, correctable and bounded.
From concern to action¶
Concern |
What can help |
|---|---|
Data brokers hold and sell a profile |
Remove personal data from broker sites, minimise what is stored, reset the advertising ID, pay privately |
Followed from site to site and app to app |
|
“Anonymous” data traced back to a name |
|
A photo or a writing style used to attach a name |
|
Messages or email read in transit, or where others can reach them |
|
One reused or leaked password opening the rest |
|
Hidden metadata in photos and files pointing back to a name |
|
A lost or seized device exposing what is on it |
|
Devices searched at a border or on a risky trip |
|
Smart-home devices watching from inside the network |
|
A device that may be monitored or compromised |
|
An account taken over, a phishing link clicked, or private details posted |
|
Data harvested now to decrypt once the cryptography breaks |
|
Swept up by bulk collection |
Little to do alone; argued at Nations and states and Systems effects |
One thing first¶
An overwhelming list produces inaction; a short list of high-leverage changes produces movement. If only one thing gets done, a password manager and two-factor authentication on the main email account close the most common routes to compromise more than any other single step. Everything else can follow, in whatever order makes sense. Security fatigue is rational; the answer is to sequence, not to lower the bar.
The reach of personal action¶
The surveillance around ordinary life is extensive, but it is not monolithic. Reducing surface area helps even where exposure cannot be removed entirely: a greenhouse with better locks is safer than one with none, even if the walls stay glass.
Some of it, though, personal hygiene cannot reach. The data broker market runs on terms that are technically disclosed and practically unreadable, and opting out profile by profile is laborious and incomplete while the market carries on regardless. That part is a structural condition, and it is argued at Nations and states and Systems effects. Supporting the organisations that press for data protection is not separate from personal security; it is the half of it that individual action cannot buy.
Last reviewed: 2026-07-09.