English to Chinese Tech/Engineering IT (Information Technology)

Network edge devices: Though well-publicized, worms and viruses continue to be a common and, to some extent, under-appreciated network threat says Yankee Group senior analyst Jim Slaby. "We haven't seen a really big, really pervasive worm like Blaster or Slammer in some time, but they are waiting in the wings," he says. "It's not that people are complacent, but the problem with worms is that they're zero-day exploits. Signature defenses only work against things that you've seen before, or someone has seen before you, and they proliferate quickly."
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