Enterprise-class printers have evolved into powerful, networked devices with the same vulnerabilities as anything else on the network. On March 24th of this year, 59 printers at Northeastern University in Boston suddenly output white supremacist hate literature. Attackers located unsecured printer ports and then sent each a PDF file and print command, he says. The attacker printed one copy on each machine but could just as easily have printed thousands, he adds. HP’s chief security advisor: “A printer without password protection is a goldmine for a hacker””]
Source: https://www.csoonline.com/article/3077480/printer-security-is-your-companys-data-really-safe.html