RBS (NatWest， Ulster)のネットバンキングシステムが大規模なDDoS攻撃を受け，深刻な障害

下記の記事が出ている。

　NatWest online services hit by cyber attack
　BBC: 6 December, 2013
　http://www.bbc.co.uk/news/business-25262790

　RBS says NatWest website hit by cyber-attack
　Guardian: 6 December, 2013
　http://www.theguardian.com/business/2013/dec/06/rbs-natwest-website-cyber-attack

　RBS and NatWest in 'Cyber Monday' payment cards meltdown
　Telegraph: 3 December, 2013
　http://www.telegraph.co.uk/finance/newsbysector/banksandfinance/10490169/RBS-and-NatWest-in-Cyber-Monday-payment-cards-meltdown.html

　RBS/NatWest outage boosts follow-on phishing
　SC Magazine: December 5, 2013
　http://www.scmagazineuk.com/rbsnatwest-outage-boosts-follow-on-phishing/article/324257/