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Understanding Protocol Weaknesses and Secure Shell for Safe Access

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In this article, I start by discussing the weaknesses of each of the these absolutely horrid protocols. I then introduce secure shell (ssh) and provide an in-depth guide to using it. Before some of you write this off, realize that if . . .

Anthony Pell
Aug 14, 2000

Risks In Online Fraud: Visa Calls For Enhanced Security Measures

Visa, the global credit card organisation, is so worried about online fraud it yesterday warned members and merchants they may be fined if they don't get their security provisions up to scratch. A call to tighten already strong security measures, you . . .

Anthony Pell
Aug 10, 2000

Increased Denial-of-Service Threats for ISPs Warns Experts

Internet service providers and dot-coms hit by a storm of denial-of-service attacks earlier this year should brace for another onslaught, say knowledgeable security experts. Simple Nomad, aka Mark Loveless, a senior security analyst at information management and security company BindView, unveiled . . .

Anthony Pell
Aug 08, 2000

Openhack Insights: E-Business Security Challenges and Lessons Learned

When it comes to security, build for success, but plan for failure. eWEEK Labs' Openhack.com e-business site was built from the ground up with security in mind, and the site was co-designed and co-maintained by security company Guardent Inc. Yet Openhack . . .

Anthony Pell
Aug 08, 2000

Enhancing Private Network Security With IPSec Solutions

"IPSec is beginning to support key business and technology objectives such as B2B extranet backbones and dial access VPN's for remote computing. Despite the security and operational benefits of a VPN, the problem of authenticating client entities for access control decisions . . .

Anthony Pell
Aug 07, 2000

Excite@Home Advisory: IP Flaw Affects Access Control Mechanism

Excite@Home -- an Internet service run in Australia by Cable & Wireless Optus -- has warned it will take action against anybody who attempts utilise an IP vulnerability that allows a single user to block up to 127 IP addresses, effectively . . .

Anthony Pell
Aug 07, 2000

Explore Nmap as a Powerful Tool for Host and Network Scanning

The intent of this article is to familiarize the reader with the network scanner nmap. As Lamont Grandquist (an nmap contributor/developer) points out, nmap does three things: It will ping a number of hosts to determine if they are up. It . . .

Anthony Pell
Aug 02, 2000

Challenges in Security Strategies for Businesses: Insights From NAI

Businesses are still not ready to take an enterprise approach to security, according to leading vendor Network Associates (NAI). Despite consolidation in the market - including the $975m buy-out of security firm Axent by anti-virus specialist Symantec last week - NAI . . .

Anthony Pell
Aug 01, 2000

Effective Strategies To Protect Digital Signatures In Transactions

Digital signatures require extensive safekeeping. Unlike passwords, you can't store them in your head. The number sequence is too long. You have to store the signature on a smart card, keep it on your hard drive, or carry it around on . . .

Anthony Pell
Jul 28, 2000

Adapting Infrastructure for Network Security in the Digital Economy

The enterprise of the future will need to have a flexible, general purpose infrastructure in order to survive in an economy increasingly defined by electronic commerce, according to Jamie Lewis, CEO of The Burton Group Corp. . . .

Anthony Pell
Jul 27, 2000

IETF Launches Working Group on ICMP Traceback Messages for DoS Threats

The Internet engineering community is developing technology that promises to minimize the damage these hacker attacks cause by quickly identifying the computer systems where they originate. . . .

Anthony Pell
Jul 27, 2000

Concerns About Security Impede Progress in eCommerce Growth and Innovation

Worries about security, and justified ones at that, could still stop the eCommerce bandwagon in its tracks, it seems. The recent revelation of a security loophole in MS Outlook has been followed by a report from IDC asserting that corporate Europe . . .

Anthony Pell
Jul 26, 2000

IETF Initiative for ICMP Traceback: DoS Attack Management

The Internet Engineering Task Force (IETF) last week launched a working group to develop ICMP Traceback Messages, which would let network managers discover the path that packets take through the Internet. Nicknamed itrace, the new working group plans to submit a . . .

Anthony Pell
Jul 24, 2000

Exploring Linux Networking: Routing, NAT, And Ipchains Configuration

The article examines the basic concepts pertaining to routing, network address translation (NAT), firewalls, and a program called ipchains. Individual sections address each concept. The last section combines the basics into a sample configuration for linking a local network to . . .

Anthony Pell
Jul 24, 2000

Protecting Directory Services Against E-Business Threats

The threats to a directory are many, and if appropriate safeguards are not maintained, a company may not even know when a directory has been compromised. The primary threats include theft, destruction and alteration of information (including user privileges). The potential . . .

Anthony Pell
Jul 19, 2000

Exploring IPSec Limitations in Network Security Solutions

IPSec, supposedly the next great thing that will fix most (if not all) our network security problems. No longer will attackers be able to sniff network traffic, hijack connections or spoof servers. Hijacking domain names will be impossible with DNSSEC, and . . .

Anthony Pell
Jul 19, 2000

BT ADSL Security Risks: Third-Party Solutions Essential for Data Safety

The head of broadband services at BT has acknowledged that its implementation of ADSL lacks security and it will be up to third parties to ensure customers' data is unhackable. Chris Gibbs, who is masterminding the introduction of ADSL in . . .

Anthony Pell
Jul 18, 2000

DDoS Threats: Improving Skills for Effective Security Management

Here's a great article by the SANS director, Alan Paller. "The recent distributed denial-of-service attacks on sites such as eBay and Yahoo were directly enabled by security mistakes almost certainly made by unskilled systems administrators at the University of California . . .

Anthony Pell
Jul 17, 2000

Actionable Steps To Enhance Network Security Against Cyber Threats

Here's a pretty good article on steps that can and should be taken to improve the level of security on your network. " Today, security is often provided by patched-together, reactionary defenses, which many see as an inhibitor to business. . . .

Anthony Pell
Jul 11, 2000

Business Security Challenges: Balancing Costs and Executive Priorities

For businesses trying to protect themselves, there are big challenges. It's expensive, both in terms of capital and skilled labor, to secure networks, mobile workers, and E-commerce operations. Security staffs are being asked to deploy a growing number of security applications, which by their very nature are complex. . . .

Anthony Pell
Jul 11, 2000

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