Tech vendors have made headway in the war on spam, yet spammers are returning volley with sheer numbers. Perhaps it's time for more drastic measures? These are the rumblings from InfoWorld Test Center analysts, who reviewed anti-spam e-mail appliances and released their findings last week.
"The biggest reason we're not winning the war on spam has little to do with the anti-spam vendors," says Logan Harbaugh, a Test Center analyst. "It's more about the ever-increasing volume of spam."
[ The InfoWorld Test Center reviewed nine e-mail appliances: Barracuda Spam Firewall 400, BorderWare Security Platform SP-800, Cisco IronPort C100, Mirapoint RazorGate 160, Proofpoint Message Security Gateway P840, Secure Computing IronMail E2000, Sendio I.C.E. Box, Symantec Mail Security 8340, and Tumbleweed MailGate 5650. ]
Anti-spam e-mail appliances work anonymously on the frontlines of IT security, blocking millions of pieces of spam (or unwanted e-mail) every day. Because spam is often the vehicle used to deliver malware, viruses, and other nasty stuff, anti-spam is considered one of the most important defenses in IT security.
And anti-spam vendors are doing a decent job: According to the Test Center, e-mail appliances today catch an average of 96.1 percent of spam, up from 95 percent two years ago.
While a single percentage-point gain might not seem like a great achievement, catching spam is more difficult than you might think. "Anti-spam is like an arms race," says Doug Dineley, who heads up the Test Center. "Spammers buy filters and test them to find weak spots. Then filter vendors plug the holes with new rules."
But vendor advancements pale in comparison to the swelling ranks of spammers. A Symantec report released this month shows that spam is on the rise. In March, more than 80 percent of all e-mail was spam, up from 78.5 percent in January and February. Overall, spam volume is up 20 percent compared to last year. The report also warns of a popular spammer trick called backscattering, which is the practice of bouncing e-mails around the globe until they're received.
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Anti-spam e-mail appliances work anonymously on the 117-102 exam frontlines of IT security, blocking millions of pieces of spam (or unwanted e-mail) every day. Because spam is often the vehicle used to deliver malware, viruses, and other nasty stuff, anti-spam is considered one of the most important defenses in IT security.MB2-633 exam
And anti-spam vendors are doing a decent job: According to the Test Center, e-mail appliances today catch an average of 96.1 percent of spam, up from 95 percent two years ago.
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