Although virus rates themselves may be falling, Trojans are picking up the slack at an alarming rate, the vendors said. Another common trend: The growth of malware is almost exclusively targeted at Windows operating system-based PC’s, prompting one security vendor to advise users to switch to Apple Macs. Security vendor McAfee (Quote, Chart) said it now supports 200,000 threats with security updates, a jump of 100 percent within two years. In the first six months of 2006 alone, McAfee added 32,000 new threats that it helps customers thwart. Sophos reported that it is now protecting against 180,292 malware threats in June of 2006, up by 28 percent since June of 2005. It’s many codes without a real danger,” Panda Software Labs spokesperson Carolina Sanabria told internetnews.com. Sophos is reporting that new Trojans outnumber worms and viruses by a 4-to-1 margin, compared to a 2-to-1 ratio in 2005.