The official website of China UnionPay (http://www.chinaunionpay.com) has been hacked, and a backdoor program was implanted on its homepage. Users who visit the site may get infected. Engineers from Rising Antivirus introduced that the program planted on the UnionPay website is called "Black Hole 2005 (Backdoor.BlackHole.2005.a)". If the infected computer has a webcam installed, hackers can spy on the user through this program.