Mysterious drop in fraud and spam
Spam levels suddenly dropped 30 per cent last week, according to managed security firm SoftScan, which attributes the letup to a "broken" botnet.
SoftScan is still investigating the possible cause of the significant drop in junk mail volumes it's recording but reckons the most likely explanation is that hackers have temporarily lost control of a significant network of compromised machines. It seems unlikely that new computers at Christmas had much to do with affecting the number of compromised machines out there.
Alternatively the drop in spam might be a result of the recent earthquake in Asia disrupting spamming activity from that region, but this theory fails to explain a gradual (rather than more sudden) drop off in spam levels this month. Mysterious drop in fraud and spam | The Register
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