Islamic State group hackers hinder the group because of their poor coding abilities, according to security researchers.

Kyle Wilhoit, a senior security researcher at DomainTools, said ISIS creates easily crackable encryption programs. The United Cyber Caliphate (UCC) was created when 17 different hacker groups pledged allegiance to ISIS. The group’s coding skills are “garbage,” Wilhoit said at security conference DerbyCon in Kentucky. He elaborated on the problems with the group’s tools, saying their malware had basic bugs, the secure email system it created leaked users’ information and the web attack tool did not take down a significant target.

Read more: International Business Times