r/infosec
Information security (InfoSec) is the practice of protecting sensitive information from unauthorized access, use, disclosure, disruption…
How to think about r/infosec
The community focuses on information security, encompassing topics such as data protection, cybersecurity threats, and best practices for safeguarding sensitive information. Members engage in discussions about the latest trends, tools, and certifications in the field, making it a valuable resource for both professionals and enthusiasts. Its distinct blend of technical insights and community-driven knowledge sharing fosters a collaborative environment for learning and growth in InfoSec.
Confidence 4/5
Audience
Participants typically include cybersecurity professionals, students, and hobbyists who are passionate about information security. The community attracts a diverse demographic, ranging from seasoned experts to newcomers eager to learn. Members often seek to share knowledge, discuss challenges, and stay updated on industry developments, contributing to a supportive yet intellectually rigorous atmosphere.
Posting culture
Content that thrives includes detailed discussions on security practices, case studies, and news related to breaches or vulnerabilities. Members value well-researched posts and practical advice, while low-effort content, such as memes or vague questions, tends to receive downvotes. The community encourages regular participation, with a focus on quality over quantity, making thoughtful contributions more likely to be rewarded.
Brand engagement notes
Brands should approach the community with caution, as overt promotion is often met with skepticism. Authentic engagement through sharing valuable insights, participating in discussions, and providing educational resources can foster goodwill. Content that highlights industry challenges, offers solutions, or showcases innovative tools may resonate well. However, brands should avoid self-promotion and instead focus on building credibility and trust within the community.
Top keywords
What r/infosec talks about
Weighted by how often each term appears in posts and comments, relative to baseline frequency. The largest words are the strongest signals of community focus.
External signals
Where the community looks
Top external domains linked from posts and comments — a quick read on the sources of truth this audience trusts.
Top contributors
Who shapes the conversation
The most active and most-upvoted posters and commenters in this community. Useful when planning outreach or studying a community's tastemakers.
Top posters
By post count
Top commenters
Similar communities
Where this audience also spends time
Topic-adjacent communities surfaced from Reddit's own related subreddit signal.
FAQ
r/infosec — frequently asked questions
Quick facts about this subreddit's size, history, focus, and related communities.
How many subscribers does r/infosec have?
r/infosec has approximately 35,518 subscribers as of May 27, 2026.
When was r/infosec created?
r/infosec was created on August 20, 2008 (18 years ago).
What is r/infosec about?
The community focuses on information security, encompassing topics such as data protection, cybersecurity threats, and best practices for safeguarding sensitive information. Members engage in discussions about the latest trends, tools, and certifications in the field, making it a valuable resource for both professionals and enthusiasts. Its distinct blend of technical insigh…
What subreddits are similar to r/infosec?
Communities similar to r/infosec include r/infosecnews, r/securityctf, r/blackhat, r/netsec, r/cryptography.
Who are the most active posters on r/infosec?
The most frequent posters on r/infosec include u/HeroldMcHerold, u/gcorelabs, u/g0rbe.
Ready to engage on r/infosec?
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