Thursday, April 19, 2007
Reputation systems gaining credibility in fight against spam
Now that nearly all organizations are employing some sort of antispam technology, spammers know their only hope for success lies with outwitting spam-detection strategies. But as Mike Rothman writes, the emergence of reputation-based systems is making it easier to weed out spam before it ever reaches the network gateway.
Thursday, April 05, 2007
Polymorphic viruses call for new antimalware defenses
Attackers are always looking for innovative ways to dodge antivirus software, and many of the bad guys are now creating polymorphic code to do just that. But it's not just the malware writers who are raising the bar. In this tip from our Ask the Experts section, contributor Ed Skoudis explains how antimalware vendors are responding to this emerging threat.
