PUTRAJAYA: The higher usage of digital technology during the Covid-19 pandemic has caused a rise in cybercrimes and heightened security issues in Malaysia, says Tan Sri Muhyiddin Yassin. Speaking at the virtual launch of the Cyber Defence and Security and Exhibition Conference 2021 (CYDES 2021), the Prime Minister said the "worrying" increase has become a problem that warrants the country's serious attention. "Due to the Covid-19 pandemic today, we are living in a vastly different world. "Our lifestyles have changed and thus, embracing digital technology has become a new norm. "Now, more Malaysians are getting themselves involved in e-commerce. "Our students have become more exposed to online classrooms while the economic and government sectors are relentlessly enhancing efficiency through digitalisation.