General Cybersecurity Subreddits

r/cybersecurity

A subreddit dedicated to all things cybersecurity, from news and discussion to resources and advice.

URL: https://www.reddit.com/r/cybersecurity/

Members: 463K (as of today)

r/netsec

A community for network security professionals to discuss and share information about the latest threats, vulnerabilities, and defense strategies.

URL: https://www.reddit.com/r/netsec/

Members: 470K (as of today)

r/hacking

A subreddit focused on the technical aspects of hacking and cybersecurity, including tools, techniques, and exploits.

URL: https://www.reddit.com/r/hacking/

Members: 2.6M (as of today)

r/crypto

A subreddit for discussing cryptography, including algorithms, protocols, and implementations.

URL: https://www.reddit.com/r/crypto/

Members: 277K (as of today)

r/AskNetsec

A place for security professionals and enthusiasts to ask and answer questions related to cybersecurity.

URL: https://www.reddit.com/r/AskNetsec/

Members: 177K (as of today)

r/Information_Security

A subreddit for sharing news, analysis, and discussion on information security topics.

URL: https://www.reddit.com/r/Information_Security/

Members: 21.1K (as of today)

r/Malware

A community focused on malware analysis, detection, and removal, with discussions on new threats, techniques, and trends.

URL: https://www.reddit.com/r/Malware/

Members: 67.4K (as of today)

r/ReverseEngineering

A subreddit for those interested in reverse engineering software and hardware, including malware analysis, code analysis, and vulnerability research.

URL: https://www.reddit.com/r/ReverseEngineering/

Members: 129K (as of today)

r/Pentesting

A community for penetration testers to discuss and share tools, techniques, and resources.

URL: https://www.reddit.com/r/Pentesting/

Members: 28.7K (as of today)

r/cyber_security

All-things cybersecurity discussions, news sharing and more.

URL: https://www.reddit.com/r/cyber_security/

Members: 17,4K (as of today).

r/CyberSecurityAdvice

A subreddit for discussing all-things cybersecurity.

URL: https://www.reddit.com/r/CyberSecurityAdvice/

Members: 9,600 (as of today)

 

Defense Strategies Subreddits

r/ComputerSecurity

A subreddit focused on computer security, including tips, tricks, and best practices for securing your systems and data.

URL: https://www.reddit.com/r/ComputerSecurity/

Members: 30K (as of today)

r/SecurityAnalysis

A community for security analysts to discuss threat intelligence, security research, and incident response.

URL: https://www.reddit.com/r/SecurityAnalysis/

Members: 186K (as of today)

r/NetSecStudents

A subreddit for students and aspiring professionals in the field of cybersecurity, with resources, advice, and support.

URL: https://www.reddit.com/r/netsecstudents/

Members: 115K (as of today)

r/ThreatIntel

A subreddit for sharing and discussing threat intelligence, including indicators of compromise (IOCs), malware analysis, and threat hunting.

URL: https://www.reddit.com/r/threatintel/

Members: 2,800 (as of today)

r/BlueTeamSec

A subreddit for defenders and blue team members to discuss and share defensive strategies, tactics, and tools.

URL: https://www.reddit.com/r/blueteamsec/

Members: 34K (as of today)

r/RedTeamSec

A community for offensive security professionals to discuss and share techniques, tools, and strategies.

URL: https://www.reddit.com/r/redteamsec/

Members: 21.8K (as of today)

 

Specialized Topics

r/SCADA

A subreddit for discussing supervisory control and data acquisition (SCADA) systems and related cybersecurity issues.

URL: https://www.reddit.com/r/SCADA/

Members: 3,9K (as of today)

r/DigitalForensics

A subreddit for discussing digital forensics and incident response, including tools, techniques, and case studies.

URL: https://www.reddit.com/r/digitalforensics/

Members: 5,200 (as of today)

r/Phishing

A community focused on phishing attacks, including tips for recognizing and avoiding phishing emails and scams.

URL: https://www.reddit.com/r/phishing/

Members: 4,800 (as of today)

 

Operating Systems and Software

r/WindowsSecurity

A community focused on cybersecurity issues related to the Microsoft Windows operating system, including tips, tricks, and best practices.

URL: https://www.reddit.com/r/WindowsSecurity/

Members: 2,600 (as of today)

r/MacOSSecurity

A subreddit for discussing security issues related to the Apple macOS operating system, including hardening, vulnerability management, and patching.

URL: https://www.reddit.com/r/macOSsecurity/

Members: Less than a thousand (as of today)

r/AndroidSecurity

A community focused on cybersecurity issues related to the Android operating system, including malware analysis, vulnerability research, and app security.

URL: https://www.reddit.com/r/Android_Security/

Members: Less than a thousand (as of today)

r/ChromeOS

A community focused on Google Chrome operating system, including cybersecurity related discussions, tips, tricks, and best practices.

URL: https://www.reddit.com/r/chromeos/

Members: 567K (as of today)

 

Social Engineering Subreddits

r/OSINT

A community focused on open-source intelligence (OSINT) techniques and tools for gathering information about individuals or organizations.

URL: https://www.reddit.com/r/OSINT/

Members: 66,2K (as of today)

 

Cybersecurity Education and Career Subreddits

r/Cybersecurity101

A subreddit for beginners to learn about cybersecurity fundamentals, including terminology, concepts, and tools.

URL: https://www.reddit.com/r/Cybersecurity101/

Members: 14K (as of today)

r/Hacking_Tutorials

A community for sharing hacking tutorials and techniques, including beginner-friendly guides and advanced techniques.

URL: https://www.reddit.com/r/Hacking_Tutorials/

Members: 227K (as of today)

r/CybersecurityJobs

A community for discussing cybersecurity job opportunities, career paths, and education.

URL: https://www.reddit.com/r/CyberSecurityJobs/

Members: 21,2K (as of today)

r/CybersecurityMemes

Who doesn’t like memes? We got you a subreddit for cybersecurity-related memes and humor.

URL: https://www.reddit.com/r/CybersecurityMemes/

Members: 1,100 (as of today)

 

Cybersecurity News and Blogs Subreddits

r/cyber

A subreddit for sharing news and discussion on all things cybersecurity.

URL: https://www.reddit.com/r/cyber/

Members: 16,1K (as of today)

r/InfosecNews

A subreddit for sharing cybersecurity news and analysis from around the web.

URL: https://www.reddit.com/r/InfoSecNews/

Members: 14,6K (as of today)

r/cybernewsroom

A subreddit focused on cybersecurity news, insights and discussions from the industry.

URL: https://www.reddit.com/r/cybernewsroom/

Members: Less than a thousand (as of today)

r/Darknet

A subreddit for discussing the darknet and dark web, including cybersecurity issues related to underground markets and forums.

URL: https://www.reddit.com/r/darknet/

Members: 251K (as of today)

 

Cybersecurity Tools and Techniques Subreddits

r/PenetrationTesting

A subreddit for discussing penetration testing, including tools, techniques, and best practices.

URL: https://www.reddit.com/r/PenetrationTesting/

Members: 5,400 (as of today)

r/ComputerForensics

A subreddit for discussing digital forensics, including techniques for analyzing and recovering data from electronic devices.

URL: https://www.reddit.com/r/computerforensics/

Members: 56.7K (as of today)

r/ExploitDev

A subreddit for discussing exploit development, including techniques for discovering and exploiting software vulnerabilities.

URL: https://www.reddit.com/r/ExploitDev/

Members: 10,4K (as of today)

 

Threat Intelligence Subreddits

r/MalwareAnalysis

A subreddit for discussing malware analysis techniques and tools, including malware behavior analysis, malware signature creation, and more.

URL: https://www.reddit.com/r/MalwareAnalysis/

Members: 2,600 (as of today)

r/Malwarebytes

A community focused on the antivirus software Malwarebytes, including tips, tricks, and best practices for malware detection and removal.

URL: https://www.reddit.com/r/Malwarebytes/

Members: 8,200 (as of today)

 

Hardware Security Subreddits

r/HardwareHacking

A subreddit for discussing hardware hacking techniques and tools, including firmware analysis, hardware reverse engineering, and more.

URL: https://www.reddit.com/r/hardwarehacking/

Members: 12,3K (as of today)

r/IoT

A subreddit for discussing the Internet of Things (IoT), including discussions on IoT security, privacy, and best practices.

URL: https://www.reddit.com/r/IOT/

Members: 37,2K (as of today)

r/ChipDesign

A community focused on the design of computer chips, including discussions on chip security, reverse engineering, and more.

URL: https://www.reddit.com/r/chipdesign/

Members: 10,8K (as of today)

 

Privacy and Anonymity Subreddits

r/privacy

A community dedicated to privacy and online security, with discussions on topics like encryption, surveillance, and data protection.

URL: https://www.reddit.com/r/privacy/

Members: 1.3M (as of today)

r/Tor

A community focused on the Tor network, including discussions on Tor security, anonymity, and dark web browsing.

URL: https://www.reddit.com/r/hacking/

Members: 2.6M (as of today)

r/VPNTorrents

A subreddit for discussing VPNs and torrenting, including discussions on privacy, security, and online anonymity.

URL: https://www.reddit.com/r/hacking/

Members: 2.6M (as of today)

r/Signal

A community focused on the encrypted messaging app Signal, including discussions on privacy, security, and messaging best practices.

URL: https://www.reddit.com/r/hacking/

Members: 2.6M (as of today)

r/PrivacyGuides

A community focused on privacy-enhancing tools and services, including VPNs, ad-blockers, and encrypted communication apps.

URL: https://www.reddit.com/r/PrivacyGuides/

Members: 54.8K (as of today)