Macmillan, one of the largest book publishers in the U.S., said it has been hit by a cyberattack that forced it to shut down its IT systems.
Macmillan spokesperson Erin Coffey told TechCrunch that the company recently experienced a “security incident” that “involved the encryption of certain files on our network.” The attack struck the company on June 25, according to reports, and also impacted its U.K. branch, known as Pan Macmillan.
While the company declined to answer further questions on the nature of the incident or how its systems were compromised, the use of encryption by the hackers indicates that it was ransomware. The attack has not yet been claimed by any major ransomware groups, and it remains unclear whether any sensitive data was stolen.
“As a precautionar …
