r/OT_ICS_Security is a subreddit with 255 members. The most common kinds of discussions are news and pain & anger, and the community frequently discusses cybersecurity, ot, ics, security, and critical infrastructure.
OT/ICS Security News and Discussion
Popular Themes in r/OT_ICS_Security
#1
News
: "Microsoft says attackers are hacking energy grids by exploiting decades-old software"
36 posts
#2
Pain & Anger
: "ICS vulnerabilities found in Siemens, Sewio, InHand Networks, SAUTER Controls, Hitachi Energy, Johnson Controls hardware"
4 posts
#3
Advice Requests
: "Best Resources to Dive into OT and ICS Tech? 🌐"
3 posts
#4
Solution Requests
: "Any opinions on new solution for remote access to OT devices?"
2 posts
#5
Ideas
: "Beyond MFA: Can We Make Accessing Critical Infrastructure—Even in Air Gaps—Safe in 2023?"
1 post
Popular Topics in r/OT_ICS_Security
#1
Cybersecurity
: "Mounting need for ICS Cybersecurity professionals to broaden training, break barriers, while closing skills gap"
39 posts
#2
Ot
: "Best Resources to Dive into Ot and ICS Tech? 🌐"
35 posts
#3
Ics
: "Best Resources to Dive into OT and Ics Tech? 🌐"
35 posts
#4
Security
: "OT Security Hygiene Scorecard"
28 posts
#5
Critical Infrastructure
: "Australia launches CI-ISAC cybersecurity body to work on lifting cyber resilience across Critical Infrastructures"
9 posts
#6
Vulnerabilities
: "ICS Vulnerabilities found in Siemens, Sewio, InHand Networks, SAUTER Controls, Hitachi Energy, Johnson Controls hardware"
6 posts
#7
Manufacturing
: "Manufacturing and Cyberattacks: New Research Reveals Work Stoppages"
5 posts
#8
Iot
: "Iot Edge password policy"
4 posts
#9
Ransomware
: "Ransomware activity in industrial environments almost doubles, with over 70% focused on manufacturing sector"
3 posts
#10
Electric Utilities
: "Where does cybersecurity end for Electric Utilities?"
2 posts
Member Growth in r/OT_ICS_Security
Yearly
+61 members(31.4%)
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Last updated: June 8, 2026