- @KimZetter - Journalist | Cyber/National security
- @Bing_Chris - Reuters reporter: cyber, intel & foreign affairs
- @briankrebs@infosec.exchange - Journalist | Cybercrime, security, & privacy
- @a_greenberg - Journalist | Cyber/National security
- @DAlperovitch - Geopolitics/NatSec, Russia, China, Cyber
- @JohnHultquist - Chief Analyst, Mandiant Intelligence (Google)
- @SwiftOnSecurity - Former Helpdesk/Current Security Professional | Long rants. Often insightful.
- @GossiTheDog - Cybersecurity Researcher w/ strong CVE analysis.
- @BushidoToken - Threat Intelligence & Hunting | Co-author of SEC FOR589
- @uuallan - Ransomware reporting
- @aejleslie - Cybercrime & Hacktivism
- @cyb3rops - Head of Research @nextronsystems #DFIR #YARA #Sigma | detection engineer
- @vxunderground - The largest collection of malware source code, samples, and papers on the internet
- @_JohnHammond - Cybersecurity Researcher
- @_RastaMouse - Offensive Security Author (Zero Point Security)
- @NinjaParanoid - Brute Ratel C4 Author
- @MsftSecIntel - Microsoft Threat Intelligence | Follow for security research and threat intelligence
- @Unit42_Intel - Palo Alto Threat Intelligence | Follow for security research and threat intelligence
- @TheDFIRReport - Incident/Intrusion Write-ups
- @SECurityTr8Ker - Monitors the SEC's RSS feed for 8-K filings disclosing cybersecurity incidents
- @DailyDarkWeb - Dark Web Monitoring & Threat Intelligence Feed
Spotify linked, also available elsewhere
- Darknet Diaries - Cybercrime/Darkweb storytelling by Jack Rhysider
- Risky Business - Weekly information security podcast featuring news and in-depth interviews with industry experts
- The Defender's Advantage - Mandiant/Google cybersecurity reports
- Out of the Woods: The Threat Hunting Podcast - Intel 471's threat hunting podcast
- SANS Daily StormCast - A brief daily summary of what is important in information security
- Threat Vector by Palo Alto - Cybersecurity reporting by Palo Alto
- Microsoft Threat Intelligence Podcast - Cybersecurity reporting by Microsoft
- Malicious Life - Cybersecurity storytelling by Cybereason
- Living Off the Living Off the Land - A great collection of resources to thrive off the land
- MITRE ATT&CK® - Knowledge base of adversary tactics and techniques based on real-world observations
- Microsoft Incident Response Ninja Hub - Guides and resources that the Microsoft Incident Response team has developed
- Ransomware.live - Information and updates on the ever-evolving landscape of ransomware
- Malware Information Sharing Platform Threat Actor Library - MISP Threat Sharing (MISP), Malware Information Sharing Platform is an open source threat intelligence platform.
- Attack the SOC - Defend, Detect, Respond: Exploring Azure Security and more