Bruce Schneier points out that the Citizen Lab has identified another Israeli "Cyberweapons Arms Manufacturer" besides the NSO group, called Candiru: https://www.schneier.com/blog/archives/2021/07/candiru-another-cyberweapons-arms-manufacturer.html
Right now I'm not so sure about "Cyber Defense" products coming from the same region, where it's probable that personnel moves betwen those companies (looking at you, Checkpoint)...
@galaxis I'm pretty sure, we're looking at the tip of the iceberg ; these tools have been around for a long time, and will get commoditized.
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