12 Days of Defense - Day 4: How to Analyze Email Headers and How Spoofed Email Works 

Deep dive on the complexities of email in this one:
- Overview of how SMTP works
- The simplicity of SMTP protocol
- How email spoofing works
- Reading Received headers
- Sending Policy Framework (SPF) for spoofing prevention
===
My SANS Courses:
- SEC450 - Blue Team Fundamentals: sans.org/sec450
- MGT551 - Building and Leading Security Operations Centers: sans.org/mgt551
PDF Guide to Security Operations: www.sans.org/s...
Blueprint Podcast: sans.org/bluep...
Twitter: / sechubb