(Reuters) - A cyber attack on Britain's Talktalk Telecom Group PLC broadband affected "a small number of customer routers" on Thursday, the company said in a statement.<div><a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=T0r8L7s_IZY:IIu-McYP4QU:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?d=yIl2AUoC8zA" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=T0r8L7s_IZY:IIu-McYP4QU:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=T0r8L7s_IZY:IIu-McYP4QU:V_sGLiPBpWU" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=T0r8L7s_IZY:IIu-McYP4QU:-BTjWOF_DHI"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=T0r8L7s_IZY:IIu-McYP4QU:-BTjWOF_DHI" border="0" /></a></div><img src="http://feeds.feedburner.com/~r/reuters/technologyNews/~4/T0r8L7s_IZY" height="1" width="1" alt="" />