"Ill intentions" refers to having harmful or malicious purposes towards someone or something. It describes when a person has negative or negative motives and plans to cause harm or trouble intentionally. Full definition
I'm quite sure that attendees will have cameras, as tourists are wont to do and the last thing we need is some people with ill intentions taking photos of military installations. (religion.blogs.cnn.com)
She is asked to go on a journey that turns out to be full of ill intentions. (booklistonline.com)
There are other people who have ill intentions who will see what you're doing online. (411-money.com)