Ever since untraceable/private cryptocurrency, there's a huge demand for cybersecurity because scammers/hackers are using those coins to extort money from the users. Remember those old ransomware attacks? those cybersecurity firms are a good thing IMO
Are you pertaining to the wannacry ransomeware? As far as I know, the person behind the shutdown of that ransomeware is also associated with the creation of many other malwares, how can we be sure that cybersecurity firms will take care of our privacy and cryptos? unless they would be handled by a higher authorities