Product Histories


DVDR-Cops ULTRA (WIN key-DVD-R)

New technology implemented for the 2016 contract with the Japanese Ministry of Defense.

Secure Download (web distribution)

A total distribution solution for Windows and macOS developed for Macmillan in 2015.

WebCops with QR-codes (web protection)

QR-code scan for smartcode activation in 2013.

USB-Cops for macOS OS X (USB stick key)

Developed for the French educational system in 2011.

CAD-Cops (web protection)

Developed for a large Japanese client in 2009, in order to secure CATIA CAD data files.

USB-Cops (USB stick key)

Released in the spring of 2008. It allows standard low cost USB memory sticks to be used for safe distribution of programs and data files.

DVDR-Cops (WIN key-DVD-R)

Finalized in 2007. The final development made it possible to use any DVD-R media and still be guarded against casual copies.

UNI-Cops (WIN web & key-disc)

Released in 2006. Combines our various protections and makes it possible to handle multi-platform distribution.

CDR-Cops for Duplicators (WIN key-CD-R)

In 2005, CDR-Cops was expanded to handle CD-R duplication machinery.

DVD-Cops for Linux (Linux key-DVD)

Our renowned DVD-Cops was moved to the Linux platform in 2004 .

CDR-Cops (WIN key-CD-R)

Developed in late 2003. Applies our powerful CD-Cops principles to standard CDRs and standard CDR-burners. This is very handy for on-demand productions where glass-master replication is too costly.

WebCops for Mac OS-X (MAC Web control)

Developed during the summer 2003. It is a conversion of the PC version of the software, allowing the customer to use the same security system on Mac OS-X and PC platforms.

CD-Cops for Linux (Linux key-CD)

Developed during the summer of 2003. It is a conversion of the PC version of the software. This was the first high-quality copy protection system for the Linux platform, making it possible to prevent high-end products from being copied.

eCops (Protecting on-line web pages)

This system was developed as an innovative solution to the problem of securing on-line content. Rather than the old name/password system that is both unsafe and cumbersome for the legal user, a safe and convenient system was created.

WebCops (Web control)

WebCops was developed as a Web based successor to DialCops in the spring of 1999 and released later that year. It allows distribution over the internet with automated web control over license conditions. It was later expanded to allow manual telephone access codes and QR-codes to be used in cases where there is no internet connection. It was used on the Windows XP Plus package, and is now guarding large titles for leading publishers, including most of Macmillan's series of educational Software.

PDF-Cops

This system was made as a custom solution using our Crypto Technology. Later on we expanded the system to incorporate many DialCops features without requiring modifications to the browser. Expanded in 2000 to allow access to individual documents via an access code.

DVD-Cops (WIN key-DVD)

The worlds first protected DVD-ROM was released late in 1998. This event was a central part of an article in the well known e-Media magazine. DVD-Cops like CD-Cops does not require any changes to the mastering process - an advantage since this process is quite delicate for DVDs. Today it is being used to protect volume products against cheap burners and DVD-Rs.

Cops Crypto

In late 1997, we developed a complex and sophisticated technology that allowed us to protect data files even when used with a standard browser. The largest Danish map company was the first to use this technology. Since then it has been used on databases and graphics files. Crypto handles many data types, like DXR movie files and digital maps. Later, in connection with PDF files, a more specialized system, known as PDF-Cops, was constructed.

NetCops

In the early 90s, we had a DOS-based network security product. Its simultaneous licensing technology led to consultancy jobs for Platinum in the US and Royal Dutch Shell in Holland. This product is now obsolete, and we are re-using the name for our CD-Cops Network Edition. This system was released due to CD-Cops customer requests in 1997. Here on modern operating systems the same basic features are available. And with full control over the number of named users or simultaneous users, it is possible to get a better, more fair price for network products. Today NetCops is used by leading publishers around the world.

CD-Cops (WIN key-CD)

CD-Cops was released in 1996 and immediately got a lot of interest from newspapers and radio/television. Well-known companies such as DeAgostini and Oxford University Press began using it (and still do!). In 1999 CD-Cops was selected over all other CD-ROM protection systems by the leading Chinese security distributor in an extensive test conducted by China's national testlab.  Likewise, in the year 2000, Mediawise in the Middle East selected CD-Cops for distribution in this area.

DialCops (WIN Access codes)

The comprehensive DialCops concept allowed control of individual access to documents and programs, both on single-user machines and on network installations via an access code given over the telephone. For two reasons this product never reached its potential: it required implementation changes and was not marketed aggressively. DialCops works well and is still used; more importantly, the concept proved its value and has been given new life in our PDFCops and WebCops products.

WinCops

This product came from our work for Lotus International - functioning almost like Cop's Copylock, but running in the Windows protected-mode environment.
This product has been discontinued since it was made to protect 16-bit DLLs and because Windows NT/2000/XP have restricted access to the floppy diskette.

OS2Cops


Developed in 1991 for Lotus 1-2-3 and used to protect their OS/2 spreadsheet in the Middle East. It was a challenge to force the protected files to run at the same privilege level as the innermost code in the OS/2 kernel. We have stopped selling this product now that OS/2 is no longer a popular end-user operating system.

Cop's Copylock (DOS key-disk)

Cop's Copylock was released in 1984.
Diskette-based copy protection schemes at that time were unreliable and could crash hard disks. Moreover, they were easily hacked. So there was a real need for a good system.
In 1988 and 89 we exhibited at Comdex, Las Vegas and Cop's Copylock became known. Cop's Copylock was selected by Lotus 1-2-3 in 1990 for use in large areas of the world where serious professional piracy was a problem: places like the Middle East, Russia, Chile, Spain and Asia.
We continue to sell it today, though requests for diskette-based DOS security have nearly disappeared.

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Link Data Security has developed copy‑protection and security solutions for more than 30 years. We support Windows, Mac and Linux on almost any electronic media. Our copy-protection is an investment, not a cost.

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