Rather than subscribe to dozens of newsletters via email, aggregate RSS feeds in one place. Feedly is great for this. It has a web application and smartphone (iOS or Android) app. This makes it efficient to scroll through hundreds of headlines quickly.
Create an account and import the feedly.opml file to loads up everything I have below:
Bleeping Computer
Help Net Security
Security Week
/r/netsec
Dark Reading
Infosecurity
The Register - Security
The Hacker News
KnowBe4 Security Awareness Training Blog
Malwarebytes Labs
Twitter red team list https://www.twitter.com/i/lists/1270700272285696001 via rss.app
Twitter Bug Bounty list https://twitter.com/i/lists/1253517962272743424 via rss.app
Twitter Pentest Tools list https://twitter.com/i/lists/1269682302939848705 via rss.app
CSO Online
HITBSecNews
Packet Storm Security
Security Tool Files = Packet Storm
Electronic Frontier Foundation
KitPloit - PenTest Tools
Latest Hacking News
Security Affairs
Security on TechRepublic
miloserdov.org
Security Intelligence
Security News: Cyberseucrity, Hacks, Privacy, National Security (wired .com)
Threatpost
ZDNet | Security RSS
Cisco Talos Intelligence Group
Cybercrime Magazine
IT Security Guru
Offensive Security
Hacking Articles
Rapid7 Blog
Cyberwarzone
GBHackers on Seucrity
Hexacorn
Krebs on Security
Nakes Security
Network World Seucrity
Pen Test Partners
PortSwigger Blog
Schneier on Security
Security - TechCrunch
Security Conversations
Secruity Through Education
Stories by Chad Warner (via Medium.com)
TrustedSec
We are OSINTCurio.us
Webroot Blog
WonderHowTo security
(IN)SECURE Magazine
0patch Blog
Application Security Research, News, and Education (veracode)
CIO Security
Cyber Security Sauna
CyberScoop
Darknet
Defending DIgital
Errata Security
Exploit Database
Fire Eye Threat Research
IT Security Expert Blog
Living Security blog
Netsparker blog
Nmap announce
OccamSec
Optiv blog
Orange Cyberdefense
Packt - SecPro
Pentesting (pentestmag.com)
Red Siege Information Security
Securelist
Seucrity Weekly
Securousis blog
Tenable blog
The Last Watchdog
The State of Seucrity
Thinkst Thoughts
tl;dr sec
Trend Micro Research, News, and Perspectives
Web Security Blog - Acunetix
Pocket Casts for iOS manages podcasts and can import audiobooks in mp3 format. Install Pocket Casts and import podcasts.opml.
8th Layer Inisghts
Any Port on the Net
Brakeign Down Security Podcast
CYBER
Cyber Seucrity Headlines
Cyber Security Sauna
Cyber Work
Darknet Diaries
Defensive Security Podcast
Down the Seucrity Rabbithole
The Hacker Mind
Hacker Valley Blue
Hacker Valley Red
Hacker Valley Studio
Hacking Humans
How to Fix the Internet
The Industrial Security Podcast
LevelUp Cyber
Malicious Life
The Official Offensive Seucurity Podcast
Open Source Security Podcast
Paul's Security Weekly
The Privacy, Seucrity, & OSINT Show
Risky Business
SANS Internet Stormcenter Daily Cyber Seucrity
The Security Ledger
Security Now
The Social-Engineer Podcast
The THreatpost Podcast
The Tripwire Cyberseucrity Podcast
TrustedSec Security Podcast
Your Cyber Path: How to Get Your Dream Cybersecurity Job