r/netsec
Technical Information Security Content & Discussion
Founded May 2007 · Public — anyone can post
/r/netsec is a community-curated aggregator of technical information security content. Our mission is to extract signal from the noise — to provide value to security practitioners, students, researchers, and hackers everywhere.
Members
571,901
572K
Online now
—
not captured in the last snapshot
Posts per day
—
no sample yet
Comments per post
—
no sample yet
Growth · 7d
—
not enough history yet
Growth · 30d
+0.6%
+3.2K members · ≈33d
Published rules
8
1 mention promotion — quoted below
Last post
—
no sample yet
Distinct posters
—
no sample yet
Tracking since Aug 7 · growth spans are the real distance between snapshots, not rounded windows. Posts/day is measured from the community’s own newest posts on Reddit, not from what Prowlo happens to crawl.
Member growth
What r/netsec's rules say about promotion
1 of 8 published rules mentions promotion, advertising or spam. Quoted from the community's own rules page, not summarised.
Commercial advertisement is discouraged.
rule 4 of 8
Our subscribers are here for interesting technical content, not to line your wallet. We don't allow the posting of commercial content unless the submitting user has both a preexisting relationship with our community, and a personal stake in its success. If you have not been submitting quality content or comments to /r/netsec for 6+ months and have had a minimal number of removed submissions, you should refrain from posting links to commercial services or products.
Removal reason shown to posters: Marketing or advertisement
The other 7
- Always link to the original source.
- Titles should provide context.
- Check the new queue for duplicates.
- Don't create unnecessary conflict
- No prohibited content or sources
- No low-quality or political posts
- No tool posts
Read from r/netsec’s published rules on Mar 12. Communities change their rules without notice and enforce requirements (karma, account age, flair) that may live in the sidebar or automod rather than here — the source page is the authority.
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r/netsec — frequently asked
How many members does r/netsec have?
r/netsec has 571,901 members as of our most recent crawl on Sep 9. Prowlo re-checks tracked communities on a rolling schedule, so this figure moves rather than sitting frozen at whatever it was when a scraper last ran.
Is r/netsec growing?
Over the last ≈33 days r/netsec changed by +0.6% — a gain of 3.2K members. We compare against the nearest snapshot we actually hold and state the real span rather than rounding it to a clean "30 days".
How active is r/netsec?
We don't have a reliable posting-rate sample for r/netsec yet. Subscriber count alone is a poor guide to whether a community is active, so treat this one as unverified until the next sample lands.
When was r/netsec created?
r/netsec was founded in May 2007 and is a public — anyone can post community. Age matters: an older community with steady growth has survived Reddit's moderation churn; a young one with a spike may not.
Can I promote my product in r/netsec?
r/netsec publishes 8 rules and 1 of them addresses promotion. The first, “Commercial advertisement is discouraged.”, says: Our subscribers are here for interesting technical content, not to line your wallet. We don't allow the posting of commercial content unless the submitting user has both a preexisting relationship with our community,… Read the full rule text on this page and the community's rules page before posting — moderator enforcement is the thing that actually decides.
How do I monitor r/netsec for mentions?
Hit Watch on this page. Prowlo starts crawling r/netsec into your Dataset — every new post indexed and embedded, searchable semantically, queryable by your AI agent over MCP, and able to trigger keyword alerts in Slack. Prowlo is read-only; it never posts on your behalf.
Can my AI agent read r/netsec's stats?
Yes. Everything on this page is one MCP tool call away: catalog_get_subreddit returns r/netsec's members, growth, promo tolerance and similar communities as typed JSON — free, no credits. Connect your agent to api.prowlo.com/mcp and it can vet the community and start watching it in the same conversation.
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