The Flashback Trojan targeting Macs has already infected at least 600,000 systems, according to an analyst with Russian antivirus firm Dr. Web. The company in fact issued a report on Wednesday mentioning 550,000 computers as contaminated by BackDoor.Flashback variants -- linked together in a botnet -- but the analyst in question quickly updated the information on Twitter. In the new data, 285 infected systems are mentioned as being in Finland, and 274 from Apple's own home city of Cupertino, California.
