Closing the 'window of vulnerability'

Friday, 4 July 2003, 2:08 PM EST

The recent Bugbear.b outbreak provided the most recent high-profile illustration of the speed and virulence of today's security threats.

The variant managed to cause more damage in a day than its predecessor managed in three days, striking in over 100 countries worldwide and receiving a high-risk assessment from all the major antivirus vendors.

But how can IT managers defend their environment against these increasingly sophisticated threats? And what levels of protection are becoming 'must haves' for ensuring that the security of the corporate network is not compromised?

Along with Slammer, Code Red and Nimda, Bugbear is one of a new generation of viral threats that uses several methods to seek out vulnerabilities in networks to allow them to spread more rapidly.

Bugbear was an immensely complex mass-mailing worm that spread via network shares, carried a remote access trojan, a key logger, turned off antivirus software and spoofed email addresses. Essentially we are facing a fast-spreading and extremely potent blended threat.

[ Read more ]




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Infographic: 25 years of the firewall

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