Australia’s second largest telco, Optus, owned by Singapore Telecommunications Ltd, said on Friday that it will contact as many as 9.8 million customers whose personal details were taken in one of the country's biggest cybersecurity breaches.

WASHINGTON - Democrats and some Republicans raised the alarm Thursday about a massive and growing cybersecurity breach that many experts blame on Russia, with President-elect Joe Biden implicitly criticizing the Trump administration for allowing the hacking attack to occur.