A previously unknown group called “Strider” has been conducting cyber-espionage attacks against selected targets in Russia, China, Sweden, and Belgium, US-based computer security firm Symantec said on Monday. The group, which has been active since…

A previously unknown group called “Strider” has been conducting cyber-espionage attacks against selected targets in Russia, China, Sweden, and Belgium, US-based computer security firm Symantec said on Monday. The group, which has been active since…