LAB NOTES

LAB NOTES

Win 2000 security. Users of Microsoft Windows 2000 are vulnerable to a 'local security policy corruption' weakness that can boot them off their networks. At worst, the weakness might deny network access to all users in a given domain who haven't downloaded a 530K patch.

According to Microsoft Corp., the operating system bug could leave attacked computers unable to access their network drives, rendering them blind and seriously disrupting operations.

Microsoft advised that users without network privileges 'should not be able to cause any changes in the local security policy on a machine. However, the vulnerability provides a way for a user to corrupt parts of it, in order to prevent it from participating in normal network operations.' Win 2000 sites that have already installed Service Pack 1 are not affected.

Find the download at www.microsoft.com/technet/security/bulletin/ms00-062.asp.

Trojan terrorizes Palm. The variously named Palm_Liberty.A, LIBERTY.A, LIBERTY or LIBERTY CRACK is the first widespread Trojan horse to affect devices running the Palm OS from Palm Inc. of Santa Clara, Calif.

Disseminated via Internet relay chat under the name Crack 1.1, the Trojan horse hides inside a program that lets users illegally convert a free shareware program to a fully registered version of Liberty 1.1.

The emulation program supposedly runs Nintendo GameBoy games under Palm OS but in fact begins to delete all programs in the affected device.

The arrival of malicious code for handheld devices was inevitable after the discovery early last month of six Trojan horse programs targeted at handheld ROM devices running the Epoc operating system designed by Psion PLC.

Touch Windows. So far, Windows operating systems have been just images on a monitor. Now Immersion Corp. of San Jose, Calif., wants you to touch and feel Windows features.

Immersion and partners have developed a feedback mouse. When the cursor slips into the groove of a slider bar, for example, the user feels the rubbery stretch of enlarging a window.

Many computer games require force-feedback controllers. Now Immersion is trying to bring force feedback to desktop PCs. Learn more at www.immersion.com.

Computer lingo. Internet relay chat (IRC) is a chat system not limited to two participants. It was developed by Jarkko Oikarinen in Finland in the late 1980s.

The client program runs on PCs and exchanges messages through an IRC server, which broadcasts to everyone in the chat. See www.pcwebopedia.com.

'Carlos A. Soto, csoto@gcn.com, and Michael Cheek, mcheek@gcnlab.com

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