A spokesman for Malaysia's Maritime Agency said they had sent one boat to the area to search for survivors and was sending two more.
Malaysia's New Straits Times said the boat sank around midnight on Tuesday about two miles (3 km) from the coastal town of Banting on the Strait of Malacca.
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Through the day we'll see plenty of sunny spells but there will be a risk of showers too as they filter down from the northwest.
Pilots say they are rostered in 'illegally' and feel fatigued from working too many hours.
The alleged hacking follows reports of similar attacks on other Democratic organisations, amid fears of state-sponsored hacking.