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OSINT 과정: Google Dorks와 Boolean으로 검색 [KO]
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OSINT 과정: Google Dorks와 Boolean으로 검색 [KO] by PapaHR delivers a practical, hands‑on Udemy experience for anyone who wants to master open‑source intelligence. Updated July 2026, this free OSINT Udemy course teaches you how to uncover hidden data for recruitment, marketing, sales, journalism, and investigations. You gain real‑world techniques—Google Dorks, Boolean operators, X‑ray searches, and AI‑enhanced tools—that translate directly into actionable insights and a Udemy certificate of completion.
What You'll Learn
- Build advanced Google Dork queries to locate hidden files, cameras, and directories across the web.
- Master Boolean search logic and X‑ray techniques for deep‑web and database investigations.
- Learn how OSINT supports recruitment, marketing, sales, journalism, and security research.
- Understand ethical considerations and global case studies such as Bellingcat’s investigative methods.
- Create person‑search workflows using usernames, social profiles, images, emails, and phone numbers.
- Implement verification steps to confirm contact information accuracy and source reliability.
- Apply hypothesis‑driven search strategies, source‑mapping, and prioritization logic to complex queries.
- Analyze real‑world case studies and receive personalized feedback on systematic assignments.
Course Details
- Instructor: PapaHR
- Enrolled students: 169,534
- Language: Korean (ko‑KR)
- Last updated: July 2026
- Certificate: Yes, upon completion
- Includes: Lifetime access, mobile‑friendly videos, exclusive Telegram community for Q&A and resource sharing
What This Course Covers
1. OSINT Foundations
- Definition of OSINT and its role in recruitment, marketing, sales, and journalism
- Ethical guidelines and legal considerations for open‑source investigations
- Global success stories, including Bellingcat’s investigative workflow
2. Search Preparation & Tooling
- Setting up browsers, extensions, and plugins for efficient data gathering
- Choosing optimal search platforms and configuring source generation pipelines
- Building hypotheses and mapping sources before launching queries
3. Core Search Techniques
- Boolean operators and logical grouping for precise results
- X‑ray (site‑specific) searches across corporate and public databases
- Specialized media search tactics for images, videos, and social content
4. Google Dorks Mastery
- Introduction to Google Dork syntax and operator families
- Accessing curated Dork lists to uncover hidden files, cameras, and directories
- Practical exercises extracting data from obscure web locations
5. Person Search Strategies
- Leveraging LinkedIn, Facebook, and niche platforms to locate individuals
- Username and nickname exploration across multiple social networks
- Reverse‑image lookup and profile verification techniques
6. Contact Information Retrieval
- Email discovery methods, validation tools, and deliverability checks
- Phone number and address extraction from public records and social footprints
- Cross‑referencing contact data to ensure accuracy and relevance
Who Should Take This Course
- Recruiters and talent sourcers looking for hidden candidate profiles
- Sales professionals needing competitive intelligence on prospects
- Marketers seeking deep audience insights and trend data
- Journalists and researchers requiring reliable public‑source verification
- Security analysts and investigators performing digital forensics
Prerequisites
- No prior experience needed — this course is beginner‑friendly
- Basic familiarity with web browsers and search engines is recommended
Why Enroll in This Course
This OSINT training provides a complete, ready‑to‑use toolkit for uncovering information that standard searches miss. A free coupon offers 100 % off for a limited time, making the entire curriculum accessible without cost. Enrolling now lets you start building high‑impact search strategies before the coupon expires later this month. Compared with other Udemy listings, this course combines AI‑enhanced tools, real‑world case studies, and a supportive community for immediate application.
Course Highlights
- Lifetime access to all video lessons, assignments, and updates
- Self‑paced learning that fits any schedule or workload
- Certificate of completion recognized by employers and professional networks
- Mobile‑friendly design for learning on smartphones and tablets
- Exclusive Telegram group for peer support, feedback, and resource sharing
- Practical, hands‑on exercises with downloadable search templates and scripts
Frequently Asked Questions
Q: Is this course really free?
A: Yes, the course can be accessed at no cost when you apply the available free coupon. The coupon provides 100 % off the regular Udemy price for a limited period.
Q: What will I learn in this OSINT course?
A: You will learn how to craft advanced Google Dork queries, apply Boolean logic, perform X‑ray searches, locate people and contact information, and verify data ethically. The curriculum includes real‑world case studies and ready‑to‑use search templates.
Q: Do I get a certificate after completing this course?
A: A Udemy certificate of completion is awarded once you finish all lectures and assignments. The certificate can be added to your LinkedIn profile or résumé.
Q: Is this course suitable for beginners?
A: Absolutely. The course starts with OSINT fundamentals and requires no prior technical background. It gradually builds toward advanced search techniques, making it ideal for newcomers.
Q: How long do I have to enroll for free?
A: The free coupon is available for a limited time, typically a few weeks from the date you view the offer. Enroll as soon as possible to secure the 100 % discount before the coupon expires.
Final Thoughts
OSINT 과정: Google Dorks와 Boolean으로 검색 [KO] equips recruiters, marketers, investigators, and security professionals with the skills to discover hidden data quickly and ethically. Enroll now, claim the free coupon, and start mastering OSINT techniques that give you a decisive edge in any data‑driven role. Your journey to uncovering the unseen begins today.
Affiliate link — we may earn a commission
Affiliate link — we may earn a commission. Learn more

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