The chamber’s chief administrative officer issued a memo Monday that the messaging app is not approved for official use.

Hanan Elatr Khashoggi has alleged that the spyware vendor played a role in the death of her husband.

It’s a major ruling in a landmark lawsuit that has had plenty of twists and turns — with more likely to come.

The ruling strikes at NSO Group’s fundamental strategy in the case, one observer noted.

The company linked to the campaign recently signed a deal with U.S. Immigration and Customs Enforcement.

Star Blizzard, known to be part of Russia’s FSB, moved schemes to the messaging platform last November.

The ruling is arguably the most important to date against the Israeli maker of the Pegasus spyware.

The filing also suggests that customers have a minimal role in operating the spyware, in an apparent contradiction of past NSO Group claims.

The leading maker of spyware offered somewhat different explanations about wanting to see Apple’s lawsuit disappear.

The firm Lookout says that Houthi use of cyberespionage is a sign that mobile surveillance is a growing force in global conflicts.