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Learning to counter-hack


Johannesburg, 29 Sep 2000

During October, Ernst & Young (E&Y) aims to teach 60 people to break into Windows NT and Unix systems, and deface Web sites.

A four-day Counterhack course, to be held in Cape Town and Johannesburg consecutively, will show corporate citizens with a responsibility for network security just how open their systems can be to attack.

"They need to be aware of what hackers do and can do, and they need to understand their modus operandi," says E&Y sales director Juliet Lubbe.

Those wanting to attend the course have to go through a screening process before forking over R7 000 and also have to sign a legal agreement that they will not use their newly acquired knowledge for malicious purposes.

The course aims to teach participants to perform attack and penetration exercises against their own systems on a continuous basis, says E&Y, and knowledge of specific weaknesses will also motivate system administrators to stay up to date on the latest exploits.

"There is nothing in here that is rocket science and nothing that is very difficult to do," said course trainer Justin Williams after a hands-on demonstration on Windows NT attacks. "It may be a bit more difficult if your [system] admin is clued up, but not impossible."

The Windows NT segment takes a systematic attack approach, going through phases of target identification, gathering information about the target, gaining user access and finally gaining administrative access. Participants are also referred to Web sites that publish new exploits and useful cracking tools.

Williams has the usual advice when it comes to penetration prevention on NT systems: "Install only the services that you really need, have proper passwords, implement account lockout and the newest fixes. Use a password validator for user passwords if you have to."

The course also draws on the skills of "reformed hacker" Stieler van Eeden, who defaced the Web sites of the Johannesburg Stock Exchange and Computicket, among others, earlier this year. Using the moniker Akt0r, Van Eeden defaced pages in an effort to find a job in the security industry. Ernst & Young was happy to oblige.

"There was some concern when we hired him," says Lubbe, "but it was absolutely the right decision. We have learned a lot from Van Eeden and he can teach our clients a lot of things."

Counterhack is modelled on similar programmes in the US, says E&Y, but adapted to local conditions. It will be expanded beyond the first two sessions if interest warrants.

Related stories:
Computicket site defaced
JSE site defaced, more to come?

External links:
http://www.ey.co.za

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