There might be something useful to you, here.
GENERAL
- Security Certification Roadmap - Paul Jerimy Media
- DFIR Report
-
YOUTUBE
- Professor Messer - YouTube
- John Hammond - YouTube
- InsiderPhD - YouTube
- MyDFIR
BLOGS
OSINT
- https://github.com/laramies/theHarvester
- https://osintframework.com/
- https://www.varonis.com/blog/what-is-osint
CASE STUDIES
TECHNICAL ASSISTANCE
ELASTIC SIEM
- Event Fields
- ECS Reference
- Winlogbeat Fields
- ECS Fields - Winlogbeat Reference
- Security Module Fields
- Exported Fields - Filebeat Reference
- ECS Fields - Filebeat Reference
YARA
- DFIR Report: Yara Rules
- https://osintframework.com/
- https://www.varonis.com/blog/what-is-osint
- Open Source YARA Rules
- YARA Rules
- VirusTotal-Docs
- YARA Documentation
SIGMA
CCNA
- Port Assignments
- IP Routing - Troubleshooting
- Config optional Spanning Tree features
- Administrative Distance
- WLC Config Guide
- IP Routing - Troubleshooting
- WLC Layer 2 & 3 Security Compatibility Matrix
- Switches: ARP or CAM
- IPV6 Address Types