Synopsis Goldman Sachs-backed Cyfirma, based in Singapore and Tokyo, said Chinese hacking group APT10, also known as Stone Panda, had identified gaps and vulnerabilities in the IT infrastructure and supply chain software of Bharat Biotech and the Serum Institute of India (SII), the world's largest vaccine maker. ThinkStock Photos Microsoft said in November that it had detected cyber attacks from Russia and North Korea targeting COVID-19 vaccine companies in India, Canada, France, South Korea and the United States. North Korean hackers also tried to break into the systems of British drugmaker AstraZeneca, Reuters has reported. Related A Chinese state-backed hacking group has in recent weeks targeted the IT systems of two Indian vaccine makers whose coronavirus shots are being used in the country's immunisation campaign, cyber intelligence firm Cyfirma told Reuters.