Mr Avanesov tried to hamper this investigation using a web-based attack on the police but the attempt to regain control of Bredolab failed.

BBC: Russian spam mastermind jailed for creating botnet

In a web-based attack scenario, an attacker would have to host a website that contains a specially crafted web page that is used to exploit this vulnerability.

FORBES: Connect

In January, Google announced its web-based Gmail system had been compromised by a malware attack originating in China.

CNN: How safe is cloud computing?