A three-year bulk contract to ensure government websites are fully available to the public even during denial of service cyber attacks has been awarded to six firms, including local telcos Singtel and StarHub, and Britain- based telco BT.

The Straits Times understands that the contract is worth about $50 million. The companies are expected to provide distributed denial of service mitigation services, techniques that differentiate genuine traffic from that sent by hijacked, infected browsers.

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