General Dev>In The News

Why printers add secret tracking dots (2020)

CommunityNews

CommunityNews

Why printers add secret tracking dots (2020)

They’re almost invisible but contain a hidden code – and now their presence on a leaked document has sparked speculation about their usefulness to FBI investigators.

Read in full here:

This thread was posted by one of our members via one of our news source trackers.

1 comment
#spying
5 594 1

Most Liked

dimitarvp

dimitarvp

Yikes. No surprise. I just wonder if B&W have another method of adding the tracking info. Probably the laser can burn those patterns in an almost-invisible manner on the paper? Would be very curious to know.

2
Post #3

Where Next?

View thread on forum
spying
Home General Dev>In The News
#spying
5 594 1
Last post

Popular General Dev topics Top

First poster: dpritchett
General Dev>In The News

It's not what programming languages do, it's what they shepherd you to
It’s not what programming languages do, it’s what they shepherd you to. How many of you have listened, read or taken part in a discussio...
nibblestew.blogspot.com
#programming#languages
50 2055 19
New
First poster: OvermindDL1
General Dev>In The News

My new toy is a USB-C cable with a built-in power meter
You can now buy a 100W USB-C cable with a built-in power meter. They’re just $20 on Amazon, and they work!
theverge.com
#usb
26 1850 12
New
First poster: bot
General Dev>In The News

Tim Cook to take 50% pay hit after shareholder feedback
Apple’s Tim Cook to take 50% pay hit after shareholder feedback. ‘Target compensation’ for CEO down from $99.4m in 2022 to an expected $...
theguardian.com
#feedback
0 1856 0
New
First poster: bot
General Dev>In The News

Fish shell to be rewritten in Rust
Rewrite it in Rust by ridiculousfish · Pull Request #9512 · fish-shell/fish-shell. (Sorry for the meme; also this is obligatory.) I thi...
github.com
/rust#shell#fish
0 1424 0
New
First poster: bot
General Dev>In The News

When Zig is safer and faster than Rust
When Zig is safer and faster than Rust. There are endless debates online about Rust vs. Zig, this post explores a side of the argument I...
zackoverflow.dev
/rust/zig
0 1459 0
New
First poster: joeb
General Dev>In The News

50 Shades of Go
50 Shades of Go: Traps, Gotchas, and Common Mistakes for New Golang Devs. Go is a simple and fun language, but, like any other language,...
devs.cloudimmunity.com
/go
1 1379 1
New
First poster: DevotionGeo
General Dev>In The News

To avoid being replaced by LLMs, do what they can't
To avoid being replaced by LLMs, do what they can’t. What LLM’s can’t do yet
seangoedecke.com
18 1109 7
New
First poster: AstonJ
General Dev>In The News

On the benefits of learning in public
On the benefits of learning in public. Learning in public helps me grow as an engineer and seems to benefit others too. Here’s why I sho...
gilesthomas.com
#learning
6 845 5
New
CommunityNews
General Dev>In The News

Phlex for Rails Emails: Action Mailer without ERB
Rendering Action Mailer emails with Phlex components and layouts: Clean, Composable, and Completely Ruby - Blog post by Camillo Visini
camillovisini.com
/rails#emails
0 805 0
New
CommunityNews
General Dev>In The News

Should managers still code?
Ah, the eternal question, straight from the mailbag.
theengineeringmanager.substack.com
#code
0 893 0
New

Other popular topics Top

AstonJ
General Dev>Dev Chat

What are you listening to?
A thread that every forum needs! Simply post a link to a track on YouTube (or SoundCloud or Vimeo amongst others!) on a separate line an...
#community#music
202 5126 102
New
PragmaticBookshelf
Backend>Learning Resources

Web Development with Clojure, Third Edition
Stop developing web apps with yesterday’s tools. Today, developers are increasingly adopting Clojure as a web-development platform. See f...
pragprog.com
#pragprog#web-development/clojure#published-book/book-web-development-with-clojure-third-edition
5 4584 1
New
Exadra37
Linux>Questions

AMD or Intel for Programming with Linux as the OS?
I am thinking in building or buy a desktop computer for programing, both professionally and on my free time, and my choice of OS is Linux...
#mobile#android#web-development#linux#desktop-computer#mobile-development
36 6006 10
New
AstonJ
General Dev>Hardware

Seen any cool new keyboards?
We have a thread about the keyboards we have, but what about nice keyboards we come across that we want? If you have seen any that look n...
/keyboards#mechanical-keyboards
49 5910 39
New
PragmaticBookshelf
Backend>Learning Resources

Concurrent Data Processing in Elixir
Learn different ways of writing concurrent code in Elixir and increase your application's performance, without sacrificing scalability or...
pragprog.com
#pragprog/elixir#published-book/book-concurrent-data-processing-in-elixir
78 6059 24
New
PragmaticBookshelf
Community>In The Spotlight

Spotlight: Erin Dees (Author) Interview and AMA!
Author Spotlight Erin Dees @undees Welcome to our new author spotlight! We had the pleasure of chatting with Erin Dees, co-author of ...
#author-spotlight/ruby/rails/book-effective-testing-with-rspec-3/book-seven-more-languages-in-seven-weeks/book-cucumber-recipes#rspec
24 4247 11
New
hilfordjames
Windows>Chat

Taskbar Overflow Menu (NOT System Tray Overflow)
There appears to have been an update that has changed the terminology for what has previously been known as the Taskbar Overflow - this h...
#taskbar-overflow-win-11
3 3715 2
New
sir.laksmana_wenk
Game Dev>Questions

I want to learn how make a game, but where should I start?
I’m able to do the “artistic” part of game-development; character designing/modeling, music, environment modeling, etc. However, I don’t...
#game-dev
15 4965 9
New
RobertRichards
Game Dev>Chat

Hair Salon Games for Girls Fun
Hair Salon Games for Girls Fun Girls Hair Saloon game is mainly developed for kids. This game allows users to select virtual avatars to ...
#ios#android#unity#fun
2 3556 1
New
PragmaticBookshelf
Backend>Learning Resources

Simplicity
Fight complexity and reclaim the original spirit of agility by learning to simplify how you develop software. The result: a more humane a...
pragprog.com
#pragprog#published-book/book-simplicity
10 6553 8
New
Back to top

Sponsor Spotlight

Manning

Develop your skills with books, videos, and courses.

General Dev>In The News

General Dev In The News ❯

Latest on Devtalk

Devtalk ❯

We ❤️ helpful members!

We reward our most helpful members via our MOTM scheme - by giving away a whopping 25 books per year!

Member of the Month

Devtalk Sponsors

Pragmatic Bookshelf

Practical resources that improve the lives of professional developers.

Erlang Solutions

We build trusted fault-tolerant systems that scale to billions of users.

Honeybadger

Real-time error tracking, performance insights, and observability for devs.

EEF

Supporting innovation across the BEAM ecosystem.

coders51

We build reliable cloud platforms for business-critical systems.

Manning Publications

Develop your skills with books, videos, and courses.

AppSignal

Catch errors, track performance, monitor hosts and more.

WyeWorks

Enabling companies to succeed by building software people love.

Pragmatic Studio

Courses that move you from confusion to "Aha, now I get it!"

Linux New Media

Publishing Linux Magazine, ADMIN, and MakerSpace for 25+ years.

View all our sponsors ❯

Categories:

Sub Categories:

Popular Portals

Devtalk Sponsors

Pragmatic Bookshelf

Practical resources that improve the lives of professional developers.

Erlang Solutions

We build trusted fault-tolerant systems that scale to billions of users.

Honeybadger

Real-time error tracking, performance insights, and observability for devs.

EEF

Supporting innovation across the BEAM ecosystem.

coders51

We build reliable cloud platforms for business-critical systems.

Manning Publications

Develop your skills with books, videos, and courses.

AppSignal

Catch errors, track performance, monitor hosts and more.

WyeWorks

Enabling companies to succeed by building software people love.

Pragmatic Studio

Courses that move you from confusion to "Aha, now I get it!"

Linux New Media

Publishing Linux Magazine, ADMIN, and MakerSpace for 25+ years.

View all our sponsors ❯

We're in Beta

About us Mission Statement See our Roadmap