The same unidentified hackers from China that targeted Facebook last week apparently hit a small number of machines used by Apple employees. The news was first reported by Reuters.

Thankfully, despite being hacked, no data was actually stolen:

Apple, which is working with law enforcement to track down the hackers, told Reuters that only a small number of its employees’ Macintosh computers were breached, but “there was no evidence that any data left Apple.”

Apple also told Reuters that it is planning on releasing a tool later today to protect Macs against the software used in the attacks.

AllThingsD also received a short statement from Apple about the incident:

“Apple has identified malware which infected a limited number of Mac systems through a vulnerability in the Java plug-in for browsers,” the company said in a statement to AllThingsD. “The malware was employed in an attack against Apple and other companies, and was spread through a website for software developers. We identified a small number of systems within Apple that were infected and isolated them from our network. There is no evidence that any data left Apple. We are working closely with law enforcement to find the source of the malware.”

Facebook announced on Friday that the same group recently targeted laptops of its employees with a sophisticated attack. No user data was reportedly compromised.

We’ll keep you updated regarding any more information we find out.