Radu Marin
CS-OSTI Course
Operational Security for Threat Intelligence (CS-OSTI)
Completion Score – 100%
Course Completed
Performance Metric
Date of Issuance
Presented to
ID
Cristian Sindile
Founder and CEO
2026-03-08
d7d5461c-f371-4db8-bcc0-874666a641fb
Operational Security for Threat Intelligence
RM
Issued to
Radu Marin
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Credential Verification
Issue date: March 8, 2026
ID: d7d5461c-f371-4db8-bcc0-874666a641fb
Issued by
Covert Security
Covert Security delivers threat intelligence research, specialized training, and professional security services to organizations that operate in high-risk environments. We don’t follow best practices, we create them.
Type
Certification
Level
Foundational
Format
Online
Price
Paid
Description
CS-OSTI is the entry point into the Covert Security curriculum. You will build a solid foundation in operational security practices specifically tailored to threat intelligence work — covering identity compartmentalisation, secure communication, dark web navigation, and investigative methodology.
This course is designed for analysts, researchers, and investigators who need to operate safely in hostile digital environments without compromising their identity or their organisation's infrastructure.