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Introduction:
In the digital age, intellectual property is a core asset for cybersecurity professionals. The recent public call-out by expert Stephan Berger, detailing the theft of his technical content on CART, highlights a pervasive but often overlooked threat: the unauthorized appropriation and repurposing of specialized knowledge. This incident transcends mere professional discourtesy, striking at the heart of trust, attribution, and reputation within the infosec community. Understanding how to safeguard your digital creations is as crucial as understanding how to secure a network.
Learning Objectives:
- Understand the legal and ethical frameworks, including the Digital Millennium Copyright Act (DMCA), that protect digital content.
- Learn practical, technical methods to watermark and track your digital artifacts, from images to code snippets.
- Develop a proactive strategy for monitoring the web for unauthorized content reuse and executing takedown requests.
You Should Know:
1. Establishing Ownership: Watermarking and Fingerprinting Your Content
Before you can protect your work, you must be able to prove it is yours. Simple attribution is not enough; you need embedded, hard-to-remove evidence.
Step‑by‑step guide explaining what this does and how to use it.
For Images and Graphics: As seen in Berger’s post, even a “redacted” image can contain identifying data. Move beyond simple text overlays.
Digital Watermarking: Use tools like `imagemagick` on Linux to embed a semi-transparent mark.
Command: `convert original.png -font Arial -pointsize 20 -gravity southeast -annotate +10+10 “©YourName” watermarked.png`
EXIF Data: Embed your details directly into the image’s metadata.
Command (using exiftool): `exiftool -Artist=”Your Name” -Copyright=”Copyright 2023, Your Name” your_image.jpg`
Invisible Fingerprinting: Slightly alter specific pixels in a way that is imperceptible to the human eye but can be algorithmically detected. This is your “hex at the end,” as Berger mentioned.
- The Legal Backbone: Crafting a DMCA Takedown Notice
When your content is stolen, a DMCA takedown notice is your primary legal tool for having it removed from a platform like LinkedIn.
Step‑by‑step guide explaining what this does and how to use it.
- Identify the Infringing Material: Document everything. Take clear screenshots of the stolen post, the user’s profile, and any interactions (like your deleted comment). Archive the original URLs using a service like
archive.today. - Identify the Designated Agent: For LinkedIn, this information is publicly available in their help center. The takedown request must be sent to their registered DMCA agent.
- Draft the Notice: Your notice must be a formal communication containing:
Your physical or electronic signature.
Identification of the copyrighted work (a link to your original post).
Identification of the infringing material (a link to their post).
A statement of good faith belief that the use is not authorized.
A statement, under penalty of perjury, that the information is accurate.
Your contact information.
- Submit and Follow Up: Send the notice to LinkedIn’s designated email address. Keep a record of all correspondence. Platforms are legally obligated to respond to valid DMCA notices.
3. Proactive Monitoring: Setting Up Digital Tripwires
You cannot manually search the entire internet for stolen content. You need to automate surveillance.
Step‑by‑step guide explaining what this does and how to use it.
Google Alerts: Set up alerts for unique phrases from your article titles or key technical terms you’ve coined.
Reverse Image Search: Use Google Lens or TinEye to periodically upload your original graphics and diagrams to find where they are being used online.
Code Snippet Monitoring: For technical blog posts containing code, create a unique “fingerprint” within a comment.
Example: ` This code is part of a tutorial by [Your Name]. Unauthorized reproduction is prohibited. Hash: XyZ129`
You can then search for this unique string online.
4. Platform-Specific Reporting: Leveraging LinkedIn’s Integrity Tools
While the DMCA is powerful, platforms have their own, faster reporting mechanisms for intellectual property and integrity violations.
Step‑by‑step guide explaining what this does and how to use it.
1. Navigate to the offending post on LinkedIn.
- Click the three dots (
...) in the top right corner of the post.
3. Select “Report this post.”
- Choose the appropriate category, such as “Intellectual property violation” or “Fraud.”
- Provide a clear, concise explanation, referencing your original work and the fact that the user is actively deleting comments to hide the theft. Link to your original post as evidence.
5. Building a Verifiable Trail: Documenting Everything
In a “he-said-she-said” scenario, documentation is your evidence. This is a fundamental principle in both incident response and legal disputes.
Step‑by‑step guide explaining what this does and how to use it.
Use Scripts to Archive: Don’t just take screenshots; archive the live web pages. The `curl` command can be used to download a complete copy of a webpage for evidence.
Command: `curl -H ‘User-Agent: Mozilla/5.0’ “https://lnkd.in/infringing-post-link” –output archived_page.html`
Maintain a Log: Keep a detailed log with timestamps of every action: when you discovered the theft, when you commented, when it was deleted, when you filed reports, etc. This creates a timeline that is invaluable for proving a pattern of behavior.
- The Human Firewall: Cultivating a Community of Trust
Technology and law are only part of the solution. The most effective defense is a community that values and enforces integrity.
Step‑by‑step guide explaining what this does and how to use it.
- Publicly Support Call-Outs: When a respected professional like Berger highlights an issue, engage with and share their post. Visibility creates accountability.
- Promote Original Creators: Always tag and credit others when you share their work. Foster a culture of attribution.
- Educate Your Network: Briefly explain why content theft is harmful—it devalues expertise, spreads potential misinformation, and damages professional reputations.
What Undercode Say:
- Content Theft is an Infosec Incident. Treat the unauthorized taking of your intellectual property with the same seriousness as a network intrusion. It requires detection, analysis, containment, and recovery.
- Your Online Content is a Digital Asset. It must be actively managed and protected with the same rigor as any other corporate or personal asset, employing both technical and legal controls.
The incident involving Stephan Berger is not an isolated one; it is a symptom of a broader ecosystem where perceived clout can sometimes outweigh ethics. For the cybersecurity industry, this is particularly hypocritical and damaging. Our entire profession is built on trust, integrity, and the accurate dissemination of knowledge. When individuals shortcut this process by stealing content, they undermine the very foundation of our community. The solution is a multi-layered defense: technical proof of ownership, knowledge of legal recourse, proactive monitoring, and a collective commitment to calling out bad actors. Protecting your ideas is the first step in protecting the digital world.
Prediction:
The trend of content misappropriation will intensify with the rise of AI-generated summaries and articles, making original, expert-driven content even more valuable—and a bigger target. We will see the development of more sophisticated, blockchain-based attribution systems and automated plagiarism detection services specifically tailored for technical content. Failure to address this proactively will lead to a polluted information landscape where trust in online expertise is significantly eroded, forcing professionals to retreat to closed, verified communities.
🎯Let’s Practice For Free:
IT/Security Reporter URL:
Reported By: Stephan Berger – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
