2015年CRI 北京回击美国的黑客指责（在线收听）

China has hit back at recent allegations that it was involved in a cyber attack that hit millions of U.S. federal workers.

Foreign Ministry spokesman Hong Lei says such accusations have been frequent as of late and are irresponsible.

"We have seen many similar media reports and remarks about this, but are they scientific? We know that hacker attacks are conducted anonymously, across nations and that it is hard to track the source. It's irresponsible and unscientific to always make trumped-up presumptions without deep investigation."

US officials say China-based hackers are suspected of breaking into the computer networks of the US government personnel office and stealing identifying information of at least 4 million federal workers.

Hong Lei notes that China firmly fights against cyber attacks and urges Washington to be "less suspicious" and to stop making unverified allegations.

"China consistently places emphasis on the fact that it firmly fights against cyber hacker attacks in any form. China itself is a victim of hacking attacks. We would like to conduct international cooperation to build a peaceful, secure and collaborative cyberspace. We hope the US can be less suspicious and stop making unverified presumptions, but show more trust and participate more through cooperation."

The US has frequently accused China of being behind attacks into its domestic systems.

But Beijing has refuted such accusations as "groundless."