Petaling Jaya Utara MP Tony Pua has questioned the Malaysian Communications and Multimedia Commission (MCMC) over what he claimed was the commission's “lack of rigour” in dealing with a reported major data breach.

Pua pointed out the MCMC was "lightning quick" in taking actions against individuals who allegedly insulted the government or Prime Minister Najib Abdul Razak on social media.

"It would appear that MCMC treats itself as a political watchdog for Najib and BN instead of playing its role to protect the interest of ordinary Malaysians...