Few minutes after UP website has been successfully hacked, the hackers presented a map in the website that showed islands in the South China Sea that are disputed by Philippines and China.
Look how the hackers successfully showed the South China Sea map that highlighted the Huangyan Island which they claimed.

Photo screenshop of UP Website hacked by alleged Chinese hackers (technology.inquirer.net)
DOWNTIME NOTICE
The University of the Philippines System website (http://www.up.edu.ph) is currently undergoing maintenance. The UP Computer Center is conducting an evaluation of the website and its contents. This website will be restored to its operational status as soon as the maintenance checks have been completed. Thank you.
The hacked UP website is currently undergoing maintenance. So, you cannot access it today.
The network engineer of UP computer centre, Jason Chao said that they are in the process of restoring the site and promised that this kind of event will not occur again.
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