Background news analysis

Tackling Network Security Can Be An Uphill Battle

Trident itself updates NetRISK's vulnerability and component database every two months. Users may purchase a service agreement that accommodates varying frequencies for receiving updated information. Jeffrey Johnson, lead inventor of NetRISK, estimates that the 250 items in the threat database cover 90 percent of the security problems users encounter. NetRISK bundles training in the product, but Johnson says Fortune 500 companies that want to avoid overburdening their staff are likely to hire consultants to help with a risk assessment.

Another detriment, according to Johnson, is that the product targets network/Internet scenarios. Support for WAN/telco security--including T1, FDDI, Ethernet, X.25 and PBXes--is pla nned by the end of summer, he says, adding that the ability to let users decouple individual subnets from a net to perform standalone subnet risk analysis was slated for availability by last month.

What Is Risky? Johnson says NetRISK resembles the well-known SATAN (Security Administrator's Tool for Analyzing Networks) security tool in that it provides a list of network vulnerabilities--it differs in that it also lets users easily see whether the vulnerabilities exist on critical or noncritical resources, and lets them determine how much it would cost to improve security. Johnson says the top four vulnerabilities are sendmail applications, remote access, configuration error and failure to implement security patches. Many security problems, he says, can be solved simply and inexpensively with proper configuration and patches. Good router configuration also protects businesses from internal threats.

Johnson says Trident is partnering with Internet Security System (ISS), Atlanta, to merge ISS' SATAN-like probe with Trident's passive decision support system. This will let users test whether security fixes recommended by NetRISK are appropriately implemented. The probe also provides options to automate security fixes, such a s configuration changes, which are known to create vulnerabilities.

What's the most over-exaggerated risk for networks? "A lot of people exaggerate the importance of IP spoofing," he says. "It is doable, but there isn't a whole lot of it going on. It's still difficult to do and easy to counter."

The H-Report
News, Trends and Analysis
by Kelly Jackson Higgins
Internet
H.323 Comes to Multipoint
by Christy Hudgins-Bonafield


Updated April 24, 1997



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