r/cybersecurity is a subreddit with 1.6M members. The most common kinds of discussions are advice requests, and the community frequently discusses website, app, cybersecurity, career, and security, and they frequently recommend/review edr, siem, and antivirus.
This subreddit is for discussing cybersecurity topics, research, and emergent threats/findings.
Popular Themes in r/cybersecurity
#1
Advice Requests
: "Help us feedback for our project"
2 posts
Popular Topics in r/cybersecurity
#1
Website
2 posts
#2
App
2 posts
#3
Cybersecurity
2 posts
#4
Career
2 posts
#5
Security
2 posts
#6
Automation
1 post
#7
Advice
1 post
#8
Ai
1 post
#9
Openai
1 post
#10
Cloud
1 post
Products Discussed in r/cybersecurity
Edr
129 reviews
#1
CrowdStrike
4.3★ from 56 reviews
#2
Microsoft
3.8★ from 21 reviews
#3
SentinelOne
3.7★ from 15 reviews
Siem
121 reviews
#1
Splunk
4.3★ from 12 reviews
#2
Wazuh
4.8★ from 9 reviews
#3
Rapid7
4.1★ from 8 reviews
Antivirus
31 reviews
#1
Microsoft Defender
4.2★ from 5 reviews
#2
CrowdStrike
4.2★ from 5 reviews
#3
SentinelOne
4.3★ from 4 reviews
Flair Used in r/cybersecurity
#1
Personal Support & Help!
: "Bank hit by botnet on OTP SMS endpoint. Motivation + defense ideas?"
11 posts
#2
News - General
: "Attackers are scanning the internet for Linux servers vulnerable to CVE-2026-98432 (CVSS 9.8), a critical TCP race-condition flaw that could allow remote root access. Over 2.1 million servers reportedly exposed. Ubuntu still has no patch."
8 posts
#3
Career Questions & Discussion
: "Good security conferences in Europe?"
8 posts
#4
Business Security Questions & Discussion
: "Feeling lost with the massive increase of AI security agents"
6 posts
#5
Other
: "Tenable discarding results from scan and I don't know why"
4 posts
#6
FOSS Tool
: "GitHub - kamehameha-ctrl/sniperscope: SniperScope is a high-performance External Attack Surface Management (EASM), passive/active OSINT intelligence, and forensic reporting workstation designed for cybersecurity auditors, SOC analysts, and penetration testers."
2 posts
#7
New Vulnerability Disclosure
: "Debian and Ubuntu APT Flaw Lets MitM Attackers Swap Verified Packages and Run Code as Root"
2 posts
#8
Threat Actor TTPs & Alerts
: "CISA Confirms Active Exploitation of WordPress Core Vulnerability"
1 post
#9
News - Breaches & Ransoms
: "Supply Chain Attack targeting the Goddess of Victory: NIKKE PC launcher."
1 post
#10
Survey
: "[Academic Research] Help collect data for ransomware research"
1 post
Member Growth in r/cybersecurity
Yearly
+257k members(19.7%)
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About
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This page gives a focused view of r/cybersecurity, including current member size, discussion patterns, product reviews, and related communities to explore.
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Last updated: November 5, 2026