Marios Batalias
CERTIFICATE
OF
COMPLETION
THIS IS TO CERTIFY THAT
THE HOLDER HAS SUCCESSFULLY COMPLETED THE OPERATION GAMBLER OSINT CTF CHALLENGE, DEMONSTRATING PRACTICAL PROFICIENCY IN OPEN SOURCE INTELLIGENCE TECHNIQUES APPLIED TO COMPLEX, REAL WORLD INVESTIGATIVE SCENARIOS.
UK OSINT COMMUNITY
JOSHUA RICHARDS
OPERATION GAMBLER OSINT CTF
Distributed by:
MB

Issued to

Marios Batalias

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ORDER

Credential Verification

Issue date: January 18, 2026

ID: 71bee664-d10c-4f06-8b52-be92b6a50543

Issued by

UK OSINT Community

Type

Other

Level

Introductory

Price

Free

Description

The UK OSINT CTF challenge tests an investigator’s ability to apply open source intelligence techniques to identify, analyse, and connect publicly available data relating to Chinese digital, corporate, and online ecosystems within a realistic investigative scenario.

Skills

OSINT

China OSINT