Skip to content

r/Infosec↗

Information Security

Information security (InfoSec) is the practice of protecting sensitive information from unauthorized access, use, disclosure, disruption, modification, or destruction. It encompasses a broad range of measures, both physical and digital, designed to safeguard information and information systems. The core principles of information security are confidentiality, integrity, and availability (the CIA triad).

41k subscribers180 posts / mo in Sep 2026142 authors / mosince 2008

r/Infosec has 41k members (+28% over the last 12 months). It gets about 180 posts a month from 142 people. Top topics: Cybersecurity Politics & Policy.

Free report

When to post on r/Infosec

You've used today's free reports

Visitors without an account can open 3 subreddit reports a day. The best time to post on r/Infosec, removal risk and the rest of the report are one step away.

Size and growth

How r/Infosec has grown

r/Infosec

Subscriber growth

Subscribers over time

+28%in 12 months · +7.5% in 3 months · +3.0% in 1 month
Oct 202641k
Growing41k subscribers
Data since Jun 2018Live · through Oct 2026
r/Infosec

Monthly activity

Posts, comments and authors per month

+195%vs Sep 2025 · +29% last 3 months vs the 3 before
Sep 2026180
BusierPeaked at 180 in Sep 2026
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/Infosec

Top topics

Share of the subreddit's posts

  1. Cybersecurity Politics & Policy6.9%

Brands people mention

Most-mentioned brands and sites, last 12 months

Can you post

Posting rules for r/Infosec

Which post types r/Infosec allows, the karma and account age it asks for, required flair, and every community rule — read from Reddit.

Unlock this for r/Infosec

The blurred cards are a preview of the layout. The real numbers for r/Infosec open with an account.

Timing and removals

How often posts get removed on r/Infosec

The best day and hour for r/Infosec, how many posts moderators remove and which kinds, the shape of its year, and weekdays against weekends.

Unlock this for r/Infosec

The blurred cards are a preview of the layout. The real numbers for r/Infosec open with an account.

What to post

What works on r/Infosec

Title and body length that does well on r/Infosec, and its mix of text posts, links, images, galleries and video.

Unlock this for r/Infosec

The blurred cards are a preview of the layout. The real numbers for r/Infosec open with an account.

Who writes here

Who posts on r/Infosec

Gender and age of the people who write on r/Infosec, the countries and US states they live in, their jobs, and whether a few regulars carry the conversation.

Unlock this for r/Infosec

The blurred cards are a preview of the layout. The real numbers for r/Infosec open with an account.

How they talk

What people ask for on r/Infosec

Requests for recommendations, help and alternatives on r/Infosec, its signature words and phrases, the brands and sites people link with counts, and the tone of the comments.

Unlock this for r/Infosec

The blurred cards are a preview of the layout. The real numbers for r/Infosec open with an account.

The full report

See all of r/Infosec

Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research