Security Onion 🧅​

@securityonion@infosec.exchange
2K Followers
0 Following
623 Posts

Peel back the layers of your network and make your adversaries cry!

Free platform for threat hunting, enterprise security monitoring, and log management.

Questions: http://securityonion.net/discuss

Websitehttps://securityonion.net
Bloghttps://blog.securityonion.net
Docshttps://securityonion.net/docs
YouTubehttps://securityonion.net/youtube
Traininghttps://securityonionsolutions.com/training
Applianceshttps://securityonionsolutions.com/hardware
Security Onion 🧅​4d ago

Quick Malware Analysis: NETSUPPORT RAT pcap from 2025-06-18

https://blog.securityonion.net/2025/07/quick-malware-analysis-netsupport-rat.html

Security Onion 🧅​5d ago
We recently celebrated 16 years of the Security Onion project and today we celebrate 11 years of Security Onion Solutions as a company! Thanks to our customers and community for your support throughout the years! We've come a long way, but the best is yet to come!
Security Onion 🧅​Jun 30

Quick Malware Analysis: Lumma Stealer pcap from 2025-06-26

https://blog.securityonion.net/2025/06/quick-malware-analysis-lumma-stealer.html

Security Onion 🧅​Jun 30

Security Onion Documentation printed book now updated for Security Onion 2.4.160!

https://blog.securityonion.net/2025/06/security-onion-documentation-printed.html

Security Onion 🧅​Jun 30

ICYMI last week we released Security Onion 2.4.160 now with more AI power!

https://blog.securityonion.net/2025/06/security-onion-24160-now-available.html

Security Onion 🧅​Jun 25

Security Onion 2.4.160 now available including Playbooks, Guided Analysis, MCP Server, and more!

https://blog.securityonion.net/2025/06/security-onion-24160-now-available.html

Security Onion 🧅​Jun 4

On this day in 2009, the very first version of #SecurityOnion was released!

We've come a long way in 16 years, but the best is yet to come!

Security Onion 🧅​May 22
Security Onion 2.4.150 Hotfix 20250522 now available!
https://blog.securityonion.net/2025/05/security-onion-24150-hotfix-20250522.html
Security Onion 2.4.150 Hotfix 20250522 now available!

Last week, we released version 2.4.150: https://blog.securityonion.net/2025/05/security-onion-24150-celebrating.html This week, an upstream ...

Security Onion 🧅​May 21

Quick Malware Analysis: SMARTAPESG / NETSUPPORT RAT / STEALC pcap from 2025-03-26

https://blog.securityonion.net/2025/05/quick-malware-analysis-smartapesg.html

Quick Malware Analysis: SMARTAPESG / NETSUPPORT RAT / STEALC pcap from 2025-03-26

Thanks to Brad Duncan for sharing this pcap from 2025-03-26 on his malware traffic analysis site! Due to issues with Google flagging a warni...

Security Onion 🧅​May 20

Security Onion Documentation printed book now updated for Security Onion 2.4.150!

https://blog.securityonion.net/2025/05/security-onion-documentation-printed.html

Security Onion Documentation printed book now updated for Security Onion 2.4.150!

We've been offering our Security Onion documentation in book form on Amazon for a few years and it's now been updated for the recently relea...

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Security Onion 🧅​Jun 4

On this day in 2009, the very first version of #SecurityOnion was released!

We've come a long way in 16 years, but the best is yet to come!

Show threadRichard BejtlichJun 4
@securityonion congratulations!!
Show threadSecurity Onion 🧅​Jun 4
@taosecurity Thanks for all your support through the years!