The hacker who introduced himself as Nefarious managed to intrude the official sites of mentioned food chains and uploaded html mcdo files (mcdo.html) on its directory.
“Pwned by n3far1ous” a text message appears in the defaced page along with a greeting to his colleagues.
Here is a screenshot of the defaced page:
A maliciously weird looking mcdo icon is sitting in the middle of the page, a direct hit to those 4 rival food chains.
You can access the defaced page here:
Its worth noting, Jollibee was hacked yesterday some hours after the defacement by Chinese on PH university sites.