This is basically a beginning user's list of security, hardware, and pentesting RSS feeds. This is primarily for use by TC4 members but anyone can use/contribute.

Bash

BASHing Data

• Description: BASHing data is a companion blog to A Data Cleaner's Cookbook
• URL: https://www.datafix.com.au/BASHing/index.html
• Feed: https://www.datafix.com.au/BASHing/BASHing_data.xml

Books

- Humble Bundle

• Description: More or less weekly inexpensive collections of books
• URL: http://blog.humblebundle.com/
• Feed: http://blog.humblebundle.com/rss

Cons

- DefCon blogs

• Description: Links to various blogs associated with Defcon
• URL: http://www.wallofsheep.com/blogs/
• Feed: http://www.wallofsheep.com/blogs/news.atom

Buy/Sell

- Craigslist

• Description: Ads for various tech
• URL (Amateur Radio): https://norfolk.craigslist.org/search/sss?query=amateur%20radio&sort=rel
• Feed (Amateur Radio): http://norfolk.craigslist.org/search/sss?query=amateur%20radio&sort=rel&format=rss
• URL (Raspberry Pi): https://norfolk.craigslist.org/search/sss?query=raspberry%20pi&sort=rel
• Feed (Raspberry Pi): http://norfolk.craigslist.org/search/?areaID=48&catAbb=sss&query=raspberry%20pi&sort=rel&format=rss

CTF

- OxRick

• Description: Mostly write-ups of solutions for various CTF challenges
• URL: https://0xrick.github.io/
• Feed: https://0xrick.github.io/feed.xml

- Aneesh Dogra

• Description: Reverse Engineering, CTF write-ups, etc.
• URL: https://anee.me/
• Feed: https://ctftime.org/writeups/rss/

- CTFtime

• Description: Site that tracks ongoing CTFs
• URL: https://ctftime.org
• URL: https://ctftime.org/ctfs
• Feed: https://ctftime.org/writeups/rss/

- CTFtime write-ups

• Description: Write-up of solutions for vaious CTF challenges (not limited to challenges from CTFtime)
• URL: https://ctftime.org/writeups
• Feed: https://ctftime.org/writeups/rss/

- VulnHub

• Description: Site that provides CTF-type challenges in VM form
• URL: https://www.vulnhub.com
• Feed: https://www.vulnhub.com/feeds/added/rss/

- William McCann

• Description: Includes write-ups of solutions for various CTF-type challenges
• URL: http://wjmccann.github.io
• Feed: https://wjmccann.github.io/feed.xml

Docker

- Container Journal

• Description: Miscellaneous containerization-related news
• URL: http://containerjournal.com
• Feed: http://containerjournal.com/feed/

Exploits

- ExploitDB

• Description: Code for the newest exploits (often can be used as new Metasploit modules)
• URL: https://www.exploit-db.com
• Feed: https://www.exploit-db.com/rss.xml

Hacking

- Hackers-Arise

• Description: Articles and tutorials related to hacking
• URL: https://www.hackers-arise.com/home
• Feed: https://www.hackers-arise.com/feed.xml

Hardware

- Dangerous Prototypes

• Description: Open source hardware projects
• URL: http://dangerousprototypes.com/blog/
• Feed: http://dangerousprototypes.com/blog/feed/

- Element14 Road Tests and Reviews

• Description: Site that provides you with hardware to review (you get to keep the hardware)
• URL: http://www.element14.com/community/groups/roadtest
• Feed: http://www.element14.com/community//groups/feeds/allcontent?socialGroup=1069

- uCHobby

• Description: Making things with microcontrollers
• URL: https://www.uchobby.com/
• Feed: https://www.uchobby.com/index.php/feed/

Linux

Blog O'Matty

• Description: Various Linux-related topics. Some advanced.
• URL: https://prefetch.net/blog/
• Feed: https://prefetch.net/blog/index.xml

Command Line Fu

• Description: User submitted syntax for various tools
• URL: http://www.commandlinefu.com/commands/browse
• Feed: http://www.commandlinefu.com/commands/browse/rss

TuxMachines

• Description: Miscellaneous Linux-related news
• URL: http://www.tuxmachines.org/
• Feed: http://www.tuxmachines.org/node/feed

Metasploit & Associated TTP

- Attack Debris

• Description: A Penetration Testing & Network Security Blog
• URL: https://www.attackdebris.com/
• Feed: https://www.attackdebris.com/?feed=rss2

- ExploitDB

• Description: Code for the newest exploits (often can be used as new Metasploit modules)
• URL: https://www.exploit-db.com
• Feed: https://www.exploit-db.com/rss.xml

- Rapid7's blog

• Description: News from the company that produces Metasploit.
• URL: https://blog.rapid7.com/
• Feed: https://blog.rapid7.com/rss/

- Veil Framework

• Description: Various articles on the use of the Veil Framework (sometimes used with Metasploit)
• URL: https://www.veil-framework.com
• Feed: https://www.veil-framework.com/feed/

News & Discussion

- Coding Horror

• Description: Programming and human factors
• URL: https://blog.codinghorror.com/
• Feed: https://feeds.feedburner.com/codinghorror

- LiquidMatrix

• Description: News, job board, listing of default passwords...
• URL: https://www.liquidmatrix.org/blog/
• Feed: https://www.liquidmatrix.org/blog/feed/

- Ransomware Tracker

• Description: Miscellaneous InfoSec interest (web site has an odd interface)
• URL: https://tech-wreckblog.blogspot.com/
• Feed: https://tech-wreckblog.blogspot.com/feeds/posts/default?alt=rss

People

- Adam Shostack

• Description: Blog from an InfoSec author and instructor (has training on LinkedIn Learning)
• URL: https://adam.shostack.org/blog/
• Feed: https://adam.shostack.org/blog/feed/

- Dan Kaminsky

• Description: One of the Forefathers! Focuses on DNS-related stuff.
• URL (blog): https://dankaminsky.com/
• Feed (blog): https://dankaminsky.com/feed/

- Dan Walsh

• Description: Promoter of SELinux
• URL: https://danwalsh.livejournal.com/
• Feed: https://danwalsh.livejournal.com/data/rss

- Elie Burzstein

• Description: Google InfoSec researcher
• URL: https://elie.net/blog/
• Feed: https://feeds.feedburner.com/inftoint

- Jack Daniel - Uncommon Sense

• Description: Another good InfoSec Curmedgeon who's been at it for a very long time
• URL: http://blog.uncommonsensesecurity.com/
• Feed: http://blog.uncommonsensesecurity.com/feeds/posts/default?alt=rss

- Jeff Soh

• Descriptioin: Discusses various tools and techniques
• URL: http://jeffsoh.blogspot.com/
• Feed: http://jeffsoh.blogspot.com/feeds/posts/default?alt=rss

- Marco Ramilli

• Description: Cybersecurity author
• URL: https://marcoramilli.com/
• Feed: https://marcoramilli.com/feed/

- Michael L. Dickey (aka LonerVamp),

• Description: Miscellaenous geekiness from an OSCP'er
• URL: http://www.terminal23.net/
• Feed: https://www.terminal23.net/feed/

- Raj Chandel

• Description: Tutorials on various attacks, walk-thrus of solutions for various CTF challenges
• URL: https://www.hackingarticles.in/
• Feed: https://www.hackingarticles.in/feed/

- Richard Bejlich - Tao Security

• Description: One of the oldest InfoSec blogs around (older than joatblog/NeighborhoodTechie)
• URL: https://taosecurity.blogspot.com/
• Feed: https://taosecurity.blogspot.com/feeds/posts/default?alt=rss

- Robert Penz

• Description: Linux, InfoSec, and other geekiness
• URL: https://robert.penz.name/
• Feed: https://robert.penz.name/feed/

- Rishi Narang - Cyber Sins

• Description: Tools, techniques, and news
• URL: https://cybersins.com/
• Feed: https://cybersins.com/rss

- Russ McRee

• Description: Miscellaneous InfoSec, tools, and techniques
• URL: https://holisticinfosec.io/
• Feed: https://holisticinfosec.io/index.xml

Podcasts

Command Line Heroes

• Description: Red Hat sponsored podcast on various tech topics
• URL: https://www.redhat.com/en/command-line-heroes
• Feed: https://feeds.pacific-content.com/commandlineheroes

FLOSS Weekly

• Description: Weekly podcast on various open source projects and tools
• URL: https://twit.tv/shows/floss-weekly
• Feed: http://leoville.tv/podcasts/floss

Going Linux

• Description: Podcast for computer users who just want to use Linux to get things done
• URL: http://goinglinux.com/index.html
• Feed: http://goinglinux.com/mp3podcast.xml

Hacker Public Radio

• Description: Your ideas, projects, opinions - podcasted.
• URL: http://hackerpublicradio.org/index.php
• Feed: http://hackerpublicradio.org/hpr_mp3_rss.php

Publications (Free)

Full Circle Magazine

• Description: Ubuntu Linux (includes downloadable PDF version)
• URL: http://fullcirclemagazine.org
• URL (downloads): https://fullcirclemagazine.org/downloads/
• Feed: https://fullcirclemagazine.org/feed/

(IN)Secure Magazine

• Description: Downloadable PDF magazine on InfoSec
• URL (downloads): https://www.helpnetsecurity.com/insecuremag-archive
• Feed: none

The MagPi Magazine

• Description: Downloadable PDF magazine on Raspberry Pi
• URL: https://www.raspberrypi.org/magpi/
• URL (downloads): https://www.raspberrypi.org/magpi/issues/
• Feed: none

Reverse Engineering

Azeria Labs

• Description: Web site of RE traininer. Includes tutorials on assembly language (visit web site for more info)
• URL: https://azeria-labs.com/
• Feed: https://azeria-labs.com/feed/

- Reddit - Reverse Engineering

• Description: Reddit feed for reverse engineering
• URL: https://www.reddit.com/r/ReverseEngineering/
• Feed: https://www.reddit.com/r/ReverseEngineering/.rss

Social Media

- Infosec-Handbook

• Descriptioin: Twitter-like service focusing on InfoSec
• URL: https://mastodon.at/@infosechandbook
• Feed: https://mastodon.at/users/infosechandbook.atom

Tools & Techniques

- Kali

• Description: Blog for the Kali Linux distro
• URL: https://www.kali.org/blog/
• Feed: https://www.kali.org/feed/

- Zach Grace

• Description: Zach Grace's blog - mostly relates to offensive security
• URL: https://www.thezdi.com/blog/
• Feed: https://www.thezdi.com/blog?format=RSS

Vulnerabilities

Google's ProjectZero

• Description: News and updates from the Project Zero team at Google
• URL:https://googleprojectzero.blogspot.com/
• Feed: https://googleprojectzero.blogspot.com/feeds/posts/default?alt=rss

Zero-Day Initiative - Published Vulnerabilities

• Description: Blog and list of published and soon-to-be published advisories
• URL (blog): https://www.thezdi.com/blog/
• Feed (blog): https://www.thezdi.com/blog?format=RSS
• URL (published advisories): https://www.zerodayinitiative.com/advisories/published/
• Feed (published advisories): https://www.zerodayinitiative.com/rss/published
• URL (soon-to-be published advisories): https://www.zerodayinitiative.com/advisories/upcoming/
• Feed (soon-to-be published advisories): https://www.zerodayinitiative.com/rss/upcoming

Remember, it's not really a blog unless it allows comments and has at least one RSS feed. Anything else viewed with suspicion.