The big SEPE hack is the work of Ryuk: how the cyberattack could have come about, what went wrong and why it is now one of the biggest threats on the internet No appointments, no web, no systems: Public Employment Service professionals already know what it's like to ransomware that has forced them to suspend and delay appointments with users, and to attend with paper and pen to many job seekers. The public body itself acknowledged incidents on its Twitter profile. Sources from the Ministry of Labor have confirmed to an attack with Ryuk, one of the most prevalent ransomware families in recent years.