McAfee warns spam, trojans and botnets skyrocketing

Zombie penetration set a record for the second straight quarter this year. Spam jumped 80 percent from the previous period, which made it a record 92 percent of all e-mail, according to the McAfee Threats Report released Wednesday. The report also warned of emerging threats of auto-run malware to increased botnets. Password-pilfering trojans are proliferating and expected to double this year from the prior year.

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