A 20-year-old Illinois man has pleaded guilty to running multiple DDoS-for-hire services that launched millions of attacks over several years. The plea deal comes almost exactly five years after KrebsOnSecurity interviewed both the admitted felon and his father and urged the latter to take a more active interest in his son’s online activities.
Sergiy P. Usatyuk of Orland Park, Ill. pleaded guilty this week to one count of conspiracy to cause damage to Internet-connected computers and for his role in owning, administering and supporting illegal “booter” or “stresser” services designed to knock Web sites offline, including exostress[.]in, quezstresser[.]com, betabooter[.]com, databooter[.]com, instabooter[.]com, polystress[.]com and zstress[.]net.