Anonymous says it has several primary, several secondary, and several tertiary botnets involved in the attack. It’s all in response to Sony suing two owners of PlayStation 3s who developed and released code that allows third-party software as well as the Linux operating system to run on the platform. Sony says it violates licensing agreements that come along with buying a PS3. Anonymous is also soliciting the names of likely Sony executives to target with the goal of obtaining personal documents about them and posting them on the Internet.”]
Source: https://www.csoonline.com/article/2127980/sony-s–in-for-a-hell-of-a-wake-up-call—anonymous-says.html

