News In Brief: Deutsche Telekom; Gartner; Telecom Italia, NSN

Deutsche Telekom estimates it will spend up to €400 million to acquire an additional 10% of Greek carrier OTE. The deal will take the German incumbent’s total holding to 40%.
Global security software revenues grew 12% to $16.5 billion (€11.2 billion) in 2010, Gartner figures show. Symantec remained the market leader with an 18.9% share, ahead of McAfee (10.9%) and Trend Micro (6.3%).
Ferdinando Beccalli-Falco has quit his non-executive role on Telecom Italia’s board to focus on other positions.
Nokia Siemens has delivered a DWDM optical transport network to Russian start-up infrastructure supplier INOVENTICA, enabling the firm to offer cloud services.