Four businesses in Dallas and Lewisville are among the victims of Russian hackers who have been operating in North America and Europe.
An indictment handed up by a Dallas federal grand jury says Russian national Aleksandr Ryzhenkov is an expert at getting into corporate computer systems and launching malware attacks. The indictment says he and a group have used phishing expeditions and ransomware to extort millions out of victims. If they don’t pay the computer system is locked up…