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Microsoft's Kerberos Extensions: Threats to Open Standards and Security

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The implications of Microsoft's propreitary "extensions" to Kerberos could be pretty far-reaching. "As a legal wrangle develops over whether the Linux/open-source news Web site Slashdot.org can post messages containing what Microsoft calls a "trade secret," key members of the . . .

Anthony Pell
May 20, 2000

CERT Update: Recent Kerberos Advisory on Root Privilege Threats

The Computer Emergency Response Team has updated their advisory on the recent Kerberos buffer overflow vulnerabilities. Most vendors have updated their packages already to fix this vulnerability. "The most severe vulnerability allows remote intruders to gain root privileges . . .

Anthony Pell
May 20, 2000

Kerberos Legal Issues And Security Protocol Modifications Amid Concerns

This article discusses the recent turmoil over the Slashdot postings regarding Kerberos, and the modifications that Microsoft has made to the Kerberos security protocol. "On Thursday, lawyers for Andover.Net, the parent company of the Linux enthusiast site Slashdot, posted . . .

Anthony Pell
May 19, 2000

James Woolsey Discusses New Spy-Virus Threats To Information Security

Former CIA director R. James Woolsey, speaking on a panel here Wednesday, warned that international spies and terrorists would soon wield a more purposeful and dangerous breed of computer virus than ever seen before. Unlike Melissa, CIH or the recent . . .

Anthony Pell
May 19, 2000

Slashdot DDoS Attack Overview: Implications for Cybersecurity

During Thursday and Saturday of last week, the slashdot.org site experienced a Distributed Denial of Service attack. The follow article recounts what happened. "What follows is more-or-less Pat "BSD-Pat" Lynch's account of the DDoS... Pat is our super 31337 . . .

Anthony Pell
May 17, 2000

John Walsh Campaigns Against DDoS Threats to Major Websites

America's Most Wanted host John Walsh urged his viewers on Saturday night to help "take down" those responsible for the distributed denial of service (DDoS) attacks which briefly crippled numerous high-profile Web sites back in February. . . .

Anthony Pell
May 17, 2000

Exploring Security Scanners' Role in Linux Network Protection

This paper discusses the differnt types of security scanners available for Linux. "A scanner is a program that automatically detects security weaknesses in a remote or localhost.". Scanners are important to Internet security because they reveal weaknesses in the . . .

Anthony Pell
May 16, 2000

Mstream DDoS Tool Discovery in University Linux Systems

More information on the "mstream" DDoS attack tool. "A new distributed denial-of-service (DDoS) tool found recently in computers at several universities may be able to avoid defenses put up by Web sites after a rash of DDoS attacks in February . . .

Anthony Pell
May 16, 2000

Distributed DoS Attack Affects Slashdot Website Performance

Although some readers credited the shutdown to an ironic reverse "slashdot effect" caused by the crush of a linking news article, Wired News reporter Declan McCullagh quoted sources at the website blaming a distributed denial of service attack for the . . .

Anthony Pell
May 15, 2000

DDoS Attack on Slashdot: Security Incident During Microsoft Dispute

Slashdot has fallen victim of a distributed denial of service attack. "Thursday just wasn't a good day for geek-culture destination Slashdot. First came the news that Microsoft ordered Slashdot to delete discussions of one of the company's security products. . . .

Anthony Pell
May 12, 2000

Mazu Networks Pursues Cyber Defense Against Hacker Attacks

Mazu Networks, a start-up that was a runner-up in the prestigious Massachusetts Institute of Technology entrepreneurship competition, aims to put an end to the hacker attacks that resulted in highly publicized outages earlier this year for Internet high-flyers Yahoo Inc. . . .

Anthony Pell
May 12, 2000

Nexus Linux Distribution: Tailored for Security-Focused Administrators

"Finally, a Linux distribution geared at easing the security-conscious minds of such self-professed paranoiacs as G. Gordon Liddy has hit the streets. Nexus developers are taking names, ranks and numbers. According to its makers, Nexus is a free, . . .

Anthony Pell
May 11, 2000

How To Create Effective User Warning Banners For Compliance

Here is a good source for help in developing a Warning banner. "A requirement for successfully prosecuting those unauthorized users who improperly use a government computer is that the computer must have a warning banner displayed at all access . . .

Anthony Pell
May 11, 2000

Apache.org Security Incident: Unauthorized Access and Exploited Flaws

Friendly strangers briefly took over the Apache Software Foundation server by exploiting a series of common configuration errors, and then announced their presence by inserting an advertisement for Microsoft at the bottom of the home page. The open-source Apache is . . .

Anthony Pell
May 08, 2000

Explore Security Improvements in Upcoming Linux 2.4 Kernel

The Linux 2.4 kernel is just around the corner and, in theory, is supposed to be coming to a computer near you around the time you read this article. . . .

Anthony Pell
May 06, 2000

Analyzing Microsoft Worm's Effects On Linux User Security Awareness

Here's an analysis of the recent Microsoft worm, and an interesting commentary on it's effect on Linux users. "Guess what? No matter what you've heard about Microsoft Outlook, the situation is basically the same as it is in Linux. . . .

Anthony Pell
May 05, 2000

Mega Guardian Node 2.3x Alert: Vulnerability Counteraction Protocol

Notice - an exploitable buffer overflow has been reported in the Big Brother server (bbd). If you're running BB, please either update your version, apply the fix enclosed, and run BB as a non-root user! If you have . . .

Anthony Pell
May 05, 2000

Sendmail Configurations for ILOVEYOU Worm Protection Guide

Included here is information that can be added to your sendmail configuration to protect your internal users from the ILOVEYOU worm from spreading, as well as more information from this bugtraq post. Be sure to note that variations . . .

Anthony Pell
May 04, 2000

Investigating Fresh DoS Tools After Recent Yahoo and eBay Breaches

The denial of service attacks that took down Yahoo, eBay, and other major Web sites has apparently inspired computer vandals to construct more attack tools. There’s a new tool called “mstream,

Anthony Pell
May 04, 2000

Enhance Your Service Protection Using TCP Wrappers on Linux Systems

Linux, like any operating system, is only as secure as you make it. Any computer that is connected to a network, and especially the Internet, is susceptible to being compromised. Security is an issue that affects everyone from home users . . .

Anthony Pell
May 04, 2000

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