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25 Years of Mass Surveillance Is Enough

Schneier discusses the shift from targeted to mass surveillance after 9/11, highlighting its impact on privacy and law enforcement.

By Bruce Schneier·Sep 15·schneier.com·2 min read

Intelligence analysis by Qwen 2.5 (3B)

25 Years of Mass Surveillance Is Enough
Image: schneier.com

Schneier examines the impact of mass surveillance on privacy and law enforcement since 9/11, noting its growth and implications.

Why it matters

Understanding the long-term effects of mass surveillance is crucial for maintaining privacy and ensuring effective law enforcement.

After 9/11, the government started watching everyone and everywhere to prevent attacks. This led to more mass surveillance, which is now used by police and private companies. But this also means more people's information is available to the government, and it's harder to know if it's helping keep people safe.

Analysis

The Shift to Mass Surveillance After 9/11

The government's shift from targeted to mass surveillance after 9/11 was driven by the fear of terrorism and the need to see and hear everything. This shift was initially justified as a necessary defense against terrorist threats, but it has grown far beyond that justification.

Government Surveillance

The NSA's Upstream program, which involved intercepting both metadata and content from key telecommunications junctures inside the U.S., was initially conducted under a claim of purely presidential authority. However, it was later brought under marginal congressional and programmatic (not targeted) FISA court review via Section 702 of the 2008 FISA Amendments Act.

Private Sector Surveillance

The interrelation between private and governmental mass surveillance is worth examining. Companies like Google and Facebook constantly spy on their users' behavior, and governments primarily obtain the mass surveillance information through private companies. As the technology for mass surveillance and analysis improves, especially with the increased use of AI technologies, the problems attendant to mass surveillance grow as well.

Costs and Benefits

While the NSA occasionally presents examples of the successes due to its mass surveillance programs, especially when those techniques are under public pressure, the examples also regularly fall apart upon serious scrutiny. And even if some utility exists, it must be seriously weighed against the costs. Similarly, there has never been any comprehensive analysis about whether domestic immigration or law enforcement's use of these techniques actually makes people safer, or whether other techniques could produce the same results.

Key points

  • Mass surveillance has grown far beyond its initial purpose of preventing terrorist attacks.
  • The interrelation between private and governmental mass surveillance is significant.
  • There has never been a comprehensive analysis of the costs and benefits of mass surveillance.
The Upside

As technology improves, so does the ability to use mass surveillance for good, such as catching criminals and preventing attacks.

The Downside

The risks of mass surveillance, like privacy violations and misuse of data, are significant and must be carefully considered.

Originally reported at

schneier.com

Discernion covers the story. Read the full piece at the source.

Tagssecurityprivacygovernmenttechnologylaw-enforcement

Author

Bruce Schneier

Intelligence analysis by

Qwen 2.5 (3B)

Published

Sep 15, 2026

Source

schneier.com

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Topics

securityprivacygovernmenttechnologylaw-enforcement

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