Most companies using AI say their No.1 fear is hackers hijacking the technology, according to a new survey that found attacks are already happening

• Most companies that are early users of artificial intelligence have one big concern about the technology— cybersecurity.
• That's not an idle concern; many say their AI systems have already been breached, according to a new study from Deloitte.
• Researchers have shown that machine-learning systems can be manipulated and can potentially leak valuable data, analysts from Deloitte said in a new report.

Artificial intelligence holds lots of promise among corporations...