'Massive' DoS attack takes down WorldPay

Online payment firm WorldPay, part of the Royal Bank of Scotland Group, is battling to process customer transactions after being hit by a massive denial of service (DoS) attack. The attack started yesterday, flooding WorldPay's web connected systems with huge volumes of bogus requests and bringing its payment and administration systems to a grinding halt.

Online payment firm WorldPay, part of the Royal Bank of Scotland Group, is battling to process customer transactions after being hit by a massive denial of service (DoS) attack.

The attack started yesterday, flooding WorldPay's web connected systems with huge volumes of bogus requests and bringing its payment and administration systems to a grinding halt.

WorldPay operates in 70 countries processing credit card payments for 27,000 customers including Vodafone and Sony, and it sent out an e-mail to customers today alerting them to the problems. Read the full story on silicon.com.