The court in Rotterdam found Danny M., the owner of Ennetcom, guilty on Tuesday of purposefully supporting criminals.

He has been jailed for 4.5 years for leading a criminal organization that sold and traded cryptophones for criminal use.

The ruling is significant because the cracking of Ennetcom's server in Canada in 2016 sparked a flurry of lawsuits, including the Marengo lawsuit.

If M. were acquitted, hacking the server could possibly be considered illegal.

Offering or possessing an encryption telephone is not punishable.

However, according to the court, M. and his company knew that his customer base consisted of criminals and he facilitated this by, for example, remotely erasing messages on the telephones if suspects had been arrested or if the devices had been seized.

Ennetcom also tried to find out the way in which the Netherlands Forensic Institute (NFI) tried to crack the telephones.

"Apparently the intention was to stay ahead of investigative authorities," the court said.

Because the company focused on criminals, it also knew that the payments (which could also be paid in cash) came from criminals.

That is why, according to the court, there is also money laundering.

An employee of the company was given a three-month suspended prison sentence and 180 hours of community service.

She worked in accounting and prepared false invoices for the company.

After the cracking of Ennetcom, the servers of crypto telephone providers such as PGP Safe, EncroChat and Sky also followed.

These companies are also seen as criminal organisations.