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Protection of electronic documents.
HTML files, DOC(x), PDF protection

against unauthorized viewing and illegal distribution


What is copyright protection?


Nowadays most information is created, stored and transmitted in the form of e-documents. They can be presented both as corporate confidential materials that are trade secrets and intellectual property and as documents for sale (analytical reports, e-learning, etc.) Such materials are usually copyrighted. Copyright infringement leads to direct losses for publishers and authors, for whom protection of e-documents is a must. How to provide protection of PDF and other e-documents? To get the answer read the article below.


We can protect


ebook protection
email protection
corporate documents protection

We use the StarForce DRM system in our solutions. It allows to protect securely all created and transmitted e-documents against a variety of threats (copyright protection). In addition, it provides an oppurtunity to collect statistics, track relocation of the protected documents and restrict access time to the protected content.


Types of e-documents

Document copy protection Electronic documents containing confidential information for internal use only within a company: project documentation, guideline books, technology descriptions, databases, etc.
Books copy protection Electronic documents as goods to sell, such as e-books, magazines, training courses, manuals, textbooks and etc.
Document copy protection Electronic documents for personal use, such as photos, academic studies, sketches and projects that are sent via the Internet.

Protection of electronic documents to sell

We provide protection for publishers, authors and online bookstores

Electronic book protection


Service: SFContent.com

SFContent.com is a cloud service designed for corporate and private publishers, as well as for online bookstores who need reliable protection of electronic documents, including e-books, magazines, training materials and e-learning programs. The main feature of the service is a built-in DRM system that allows managing distribution and controlling access to secure electronic documents. Nowadays PDF protection is popular worldwide.


How does SFContent.com ensure copyright protection?


Each user receives a personal account where he/she can manage own projects, generate serial numbers, collect statistics about activations and integrate projects with online stores using StarForce API. SFContent.com users don’t need to download additional software to implement protection; all processes are carried out in the browser window which greatly facilitates work.

SFContent.com for copyright protection provides copy protection of electronic documents in the following file formats:


pdf file copy protection XLS copy protection table copy protection protect word doc secure word document word document tracking pic copy protection photo copy protection picture copy protection gif copy protection html copy protection

The solution supports a lot of methods to ensure protection of electronic documents, including DOC(x) and PDF protection.


Application to open protected e-documents


We created StarForce Reader, a special free app, that is used to open protected electronic documents (except HTML). You can download it for Windows, macOS, Android, and iOS. Try our solution to guarantee DOC(x) and PDF protection.



Document protection   Ask us for more information about e-book protection   Trial version of Pdf protection



Protection of electronic documents to send via e-mail

Free secure email service to protect messages and attachments against leakage

Email protection


Service: SFLetter.com

SFLetter.com is a fully-featured email service, which can be used like any other. However, unlike common email services, SFLetter.com allows you to protect outgoing messages and attachments against copying, forwarding, printing and screen grabbing, as well as to track emails by opening time and receiver’s IP address. You can protect any documents, such as personal (correspondence, photographs, drawings, scientific papers, sketches, etc.) and corporate (reports, plans, schedules, etc.). DOC(x) and PDF protection is included.

Freelancers can be identified as a separate group. They create and send their work to customers by email. Using SFLetter.com, they can avoid theft or unauthorized borrowing of their ideas and they can block the illegal publication of created digital materials. If you work through the Internet, DOC (x) and PDF protection are necessary for you.

Similar to SFContent.com, all protected emails and attachments are opened with the help of StarForce Reader. The application has built-in protection against illegal copying and forwarding the content to the third parties. We are delighted to guarantee realible protection of e-documents for you.


Document protection   Ask us for more information about email protection   Register account on SFLetter.com



Protection of corporate electronic documents

pdf document security

We developed StarForce Content Enterprise and StarForce E-m@il Enterprise for corporate users that require the deployment of solutions on the side of the enterprise with specific customization and integration. Both products are responsible for protection of electronic documents and usage control. They guarantee high level of protection of electronic documents.


Document copy protection