r/encryption

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r/crypto
102k  subs
Cryptography is the art of creating mathematical assurances for who can do what with data, including but not limited the classical example of encrypting messages so that only the key-holder can read it. Cryptography lives at an intersection of math, programming, and computer science. This subreddit covers the theory and practice of modern and *strong* cryptography, and it is a technical subreddit focused on the algorithms and implementations of cryptography.
https://reddit.com/r/crypto/
r/TOR
76k  subs
News and discussion about the Tor anonymity software. New to Tor? Please read the Tor FAQ!
https://reddit.com/r/TOR/
Providing tools and knowledge to protect your privacy against global, mass surveillance.
https://reddit.com/r/privacytoolsIO/
r/privacy
508k  subs
The intersection of technology, privacy, and freedom in a digital world.
https://reddit.com/r/privacy/
r/netsec
323k  subs
A community for technical news and discussion of information security and closely related topics.
https://reddit.com/r/netsec/
r/ProtonMail
24k  subs
Official subreddit for ProtonMail, a secure email service based in Switzerland. ProtonMail is privacy-focused, uses end-to-end encryption, and offers a clean user interface and full support for PGP and standalone email clients.
https://reddit.com/r/ProtonMail/
r/security
102k  subs
A friendly and professional place for discussing computer security.
https://reddit.com/r/security/
r/VPN
74k  subs
*** ##[Virtual Private Network](https://en.wikipedia.org/wiki/Virtual_private_network) Create a secure communication channel over an insecure network (like the Internet). References for understanding and building VPNs ***
https://reddit.com/r/VPN/
r/GnuPG
5k  subs
GnuPG (GPG), and opensource alternative to PGP, allows to encrypt and sign your data and communication, features a versatile key management system as well as access modules for all kind of public key directories.
https://reddit.com/r/GnuPG/
r/linux
414k  subs
All things Linux and GNU/Linux -- this is neither a community exclusively about the kernel Linux, nor is exclusively about the GNU operating system.
https://reddit.com/r/linux/
r/tails
23k  subs
Tails is a live operating system aimed at protecting your privacy and anonymity that you can start on almost any computer from a USB stick or a DVD.
https://reddit.com/r/tails/
r/onions
141k  subs
The Best Parts of the Anonymous Internet | Tor Onion Routing Hidden Services | .onions
https://reddit.com/r/onions/
r/codes
26k  subs
Hiding data, cracking codes, finding hidden messages. We welcome posts that aren't as suitable for /r/crypto, such as basic cipher-cracking challenges and discussions of simple data hiding.
https://reddit.com/r/codes/
r/hacking
802k  subs
A subreddit dedicated to hacking and hackers. Constructive collaboration and learning about exploits, industry standards, grey and white hat hacking, new hardware and software hacking technology, sharing ideas and suggestions for small business and personal security.
https://reddit.com/r/hacking/
r/HowToHack
178k  subs
Welcome to the guide by Zempirians to help you along the path from a neophyte to an elite... From here you will learn the resources to expand your knowledge and from there you can access our stronger resources for hands on training and wargames.... Free Public Access to Zempirians Training Lab - http://training.zempirians.com
https://reddit.com/r/HowToHack/
r/opensource
86k  subs
A subreddit for everything [open source](http://en.wikipedia.org/wiki/Open_source) related.
https://reddit.com/r/opensource/
r/archlinux
97k  subs
For users of the much loved Linux distro, Arch Linux.
https://reddit.com/r/archlinux/
r/VeraCrypt
2k  subs
VeraCrypt: Free Disk Encryption Software, a fork of TrueCrypt.
https://reddit.com/r/VeraCrypt/
r/selfhosted
53k  subs
A place to share alternatives to popular online services that can be self hosted without giving up privacy or locking you into a service you don't control.
https://reddit.com/r/selfhosted/
r/linux4noobs
131k  subs
Linux introductions, tips and tutorials. Questions are encouraged. Any distro, any platform! Explicitly noob-friendly.
https://reddit.com/r/linux4noobs/
r/Monero
160k  subs
This is the official subreddit of Monero (XMR), a secure, private, untraceable currency that is open-source and freely available to all.
https://reddit.com/r/Monero/
r/ProtonVPN
8k  subs
This is the official subreddit for ProtonVPN. We discuss blog posts, upcoming features, technical support, and general online security issues.
https://reddit.com/r/ProtonVPN/
r/Ubuntu
122k  subs
The Ubuntu community on Reddit
https://reddit.com/r/Ubuntu/
r/GPGpractice
4k  subs
This is a community focusing on learning and using the libre encryption software Gnu Privacy Guard. Ask a question or post your public key so that other users can send you encrypted messages.
https://reddit.com/r/GPGpractice/
r/sysadmin
364k  subs
A reddit dedicated to the profession of Computer System Administration.
https://reddit.com/r/sysadmin/
r/compsci
598k  subs
Computer Science Theory and Application. We share and discuss any content that computer scientists find interesting. People from all walks of life welcome, including hackers, hobbyists, professionals, and academics.
https://reddit.com/r/compsci/