Skip to main content (Press Enter).
Toggle navigation
Center for Development of Security Excellence
Defense Counterintelligence and Security Agency
CDSE
Search
Search ...:
Search
Search ...:
Search
I'm interested in...
Counterintelligence
Cybersecurity
General Security
Industrial Security
Information Security
Insider Threat
Operations Security
Personnel Security
Physical Security
Special Access Programs
I'm looking for...
Case Studies
Job Aids
My Certificates/Digital Badges/Transcripts
My Certificates of Completion for Courses
My Webinar Certificates of Attendance
My Digital Badges
My Certifications
My Transcripts
Security Awareness Games
Security Posters
Security Shorts
Security Training Videos
Toolkits
Webinars and Conferences
I'm in need of...
Annual Mandatory Training
Controlled Unclassified Information (CUI) Training
Derivative Classification Training
Marking Classified Information Training
Operations Security (OPSEC) Training
Personally Identifiable Information (PII) Training
SPēD Certification
Home
Training
Security Shorts
Resources for Suspicious Emails CI021
Resources for Suspicious Emails CI021
Suspicious Emails Student Guide