Inside Network Perimeter Security: The Definitive Guide to Firewalls, Virtual Private Networks (VPNs), Routers, and Intrusion Detection Systems Corporate Computer and Network Security Cryptography and Network Security: Principles and Practice (3rd Edition) Network Security for Dummies Security Complete EDUCAUSE Leadership Strategies, Computer and Network Security in Higher Education Computer Network Security: Second International Workshop on Mathematical Methods, Models, and Architectures for Computer Network Security, Mmm-Acns 2003, St. Petersburg, Russia (Lecture Notes in Computer Science, 2776) Practical Computer Network Security Early Edition Corporate Computer and Network Security

• Home - Technical School Course Directory - Computer Training - Network Security.
• Computer Network Security Training Schools.
• Network security is an important issue for companies large and small. ...
• Network security schools teach students how to use firewalls, physical plant security, encryption, and other techniques to make sure data only goes to who is authorized to see it.
• The following technical schools offer training that can lead to a position as a network security specialist:.
• The Chubb Institute Network security program teaches students to secure computer networks using firewalls, access control, and encryption. Students learn the Microsoft and Novell network operating systems, Linux, and receive hands-on training with Cisco routers and switches. ...
• Locations offering the Network Security program are listed below.
• Get more information on the Network Security Training programs at the Chubb Institute.
• ECPI network security program prepares you for a position as a network security specialist. Coursework covers basic and advanced networking, with an emphasis on security. ECPI has campuses offering the network training programs in the following cities:.
• Get free information on the Information Technology/Network Security program from ECPI, with campuses in Virginia, North Carolina, and South Carolina.
• Golden Gate University offers a Master Degree or graduate level Certificate in Digital Security. Both programs include courses in network security and e-business security, along with training in evaluating security risks. The degree program offers additional courses in wireless security, security monitoring, and crisis management. ...

• ON COMPUTER AND NETWORK SECURITY.
• TABLE OF CONTENTS About Netsurfer Focus The Only Safe Computer is a Dead Computer Good Housekeeping Open Sesame Into the Labyrinth The Little Black Bag Great Walls of Fire Kerberos Much Ado About Satan Into the Soup - the Alphabet Soup Follow the Rainbow A Tale of Two Securities Hacker, Cracker, Phracker, Spy Confessions of an International Arms Courier Information at Your Fingertips From Screen Worship to Sun Worship Dangling Pointers .
• THE ONLY SAFE COMPUTER IS A DEAD COMPUTER The three tradeoffs .
• Life is full of tradeoffs and computer security is no different. ...
• The only safe computer is a dead computer. ... So the extent of computer safety or security is always a tradeoff between putting the computer to use and restricting its misuse and abuse. ...
• The time and money you spend on securing your computer has to be weighed against the likely loss if it is broken into or damaged; e. ...
• As you design or modify your computer and network security, think about how you want to use your systems and what you stand to lose if security is compromised. ...
• The same is true of computer and network systems. Securing your computer system means security of the software and hardware, trustworthiness of the people who use and manage it, and reliability of the procedures for using and managing the system. ... But when you are evaluating the security of your system, don't forget to consider the other components. ...
• A malfunctioning sprinkler system in the computer room, a magnitude 6. ... Also, don't count on your computer to come out of the box with its security mechanisms set up correctly for you. ...
• The bottom line: It really is housekeeping, and it really is up to you what kind of a computer house you keep. ...
• The whole idea of security is tied to who can have access to what. ... Multiuser computer systems, like Unix, usually have a hierarchy of personages, each with different access privileges. ...

• At Intellisoft UK Ltd, we provide network services ranging from custom network and systems management to security solutions. ...
• Sharing of the Internet and email over your network .
• Information security .
• Network administration and maintenance .
• Network and IT planning .
• Network design and architecture .
• Network development and implementation .
• Network security .
• By building on your existing technology, to provide secure and efficient systems, Intellisoft UK Ltd can show how to take advantage of your network .

•   Home | Security Forums | Free Tools | arachNIDS  .
• Network Defense .
• Security Checkup.
• Browser Security Test.
•  Latest Security News. ...
• Police computer hacker suspect arrested .
• Mar 12 3:26PM :: PERSONAL COMPUTER WORLD.
• 2 arrested over copycat computer hacking case .
• IT security a weak link for SMEs .
• INTERNET SECURITY: Economic Damage from Bagle, MyDoom & NetSky crosses $100bn .
• INTERNET SECURITY: Strong evidence of Bagle and MyDoom connection emerges .
• McAfee notes rising interest in mobile phone security .
• Also I thought this was funny: "stupid security competition". ...
•  Security Tools Updates. ...

• computer network training .
• computer network training.
• Offers computer network training with a product or service that delivers network security training and network training. Network Media and Elements explains the advantages of various network transmission media and the connectors used with these media. This course also explains the attributes and functions of common network elements. Security, Maintenance and Support provides an overview of good network security practices. ... Offers computer network training with a product or service that delivers network security training and network training. Network Media and Elements explains the advantages of various network transmission media and the connectors used with these media. This course also explains the attributes and functions of common network elements. Security, Maintenance and Support provides an overview of good network security practices. ...
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• There is much overlap between network security and cryptography; see also my web page with information on cryptography. ...
• Links to some computer security people's home pages are available. ...
• MLD on security .
• NIH on security .
• Telstra computer and network security .
• Yahoo on security and encryption .
• Sturm on security .
• Jensen on security .
• CSRC security info .
• Linux security site .
• Rutgers WWW security .
• Dartmouth's Unix security .
• NASA's distributed computing security .
• WWW security overview .
• Internet security for businesses .
• Intro to Internet security .

• Network security without limits.
• V-ONE provides application level & IPSec Virtual Private Network (VPN) security products for commercial enterprises and government agencies. ...
• Homeland Security and.
• Wireless Security .
• V-ONE technology certified by Hughes Network Systems.
• Join V-ONE at the Network World Security Seminar .

• Computer and Network Security Links.
• A list of sites that pertain various aspects of computer  and network security. ...
• listed include security protocols, cryptography, information warfare, exploitation, .
• security standards, firewalls, computer viruses, and more. ...
• ABA Information Security Committee .
• ANSI/National Standards Systems Network (http://www. ...
• Assorted Security Information Sources .
• net/galaxy/Engineering-and-Technology/Computer-Technology/Security) .
• Guide to information security information sources. ...
• AUSCERT: Australian Computer Emergency Response Team .
• au/) Security points of contact, papers, advisors .
• bsy's Security Related pointers .
• List of pointers to security related information. ...
• Canadian Communications Security Establishment (http://www. ...
• facilitating response to computer security events on the Internet. ...
• CERT-NL: Netherlands Computer Emergency Response Team Home Page .

• 3157, Computer & Network Security.

• COMPUTER NETWORK LOGGING SOFTWARE.
• COMPUTER NETWORK LOGGING SOFTWARE.
• Find mp3, avi, documents or clean network temporary or virus-generated files! .
• RCN - Homepage Important Computer Virus Update Learn more from RCN about recent computer viruses and what you can do Try Net Nanny parental control software FREE for 15 days. Description: Develops and provides fiber optic network services, including local and long distance telephone, video Category: Business Major Companies Publicly Traded R Free computer network security management utility at a glance who is logged onto a particular computer. Create one or more network logins beginning with database logging of Windows sessions; database logging of Network Monitoring Software for Work or School on networks, internet, and computer work stations to monitor user activities anywhere on your network. monitoring features NetVizor provides: keystroke logging; CBS News A Look At Computer Spying Software May 13, 2002 14: Most keystroke logging programs are software that needs to be physically installed on the computer, either with a CD-ROM, diskette, from a network connection Computer Security 101: Lesson 9 - Internet/ Network Security Office of Special Investigations computer forensics lab leverage his extensive network of influencers installed stealth keystroke logging software on computers SANS Intrusion Detection FAQ: Computer Associates RCO Option copy of this software can be obtained from Computer Associates security settings for this software that you use for logging into the network this includes logging Software, logging Download, logging Software Downloads, spy software, spy, software, computer, internet, email keylogger, cheating spouse, employee, internet, network, monitor, logging, surveillance, security ISSU - Helpdesk staff office, ensure that you are logging onto the files have become corrupted, causing network connections to In either case, the computer must be reported to spyware monitor employee cyber detective software software - investigator software - logging software - application performance monitoring - spygear - computer recording equipment - certif network security ITS Knowledge Base Software: Logging in to a public campus Logging in to a public campus Macintosh computer. the Dock and the icon for the computer s hard drive. To go directly to your network file storage space, you may .

• Security Links.
• Firewalls, IDS's, VPN's & other security products.
• Firewalls, VPN's & other security products.
• Security website with tons of good info.
• Computer Emergency Response Team.
• Info Security Magazine.
• Leading Information Security magazine.
• Search Security.
• Good Info Security resource.
• Security products and services.
• Security products and services.
• com/security.
• MS's take on security.
• Anti-virus and other security products.
• All Internet Security.
• all-internet-security. ...

• Improving Network and Computer Security.
• Report of the ITATF Security Working Group.
• Confidential information can be intercepted while traversing the network. ... A hacker from the other side of the world (or the lab next door) can compromise a computer system and steal or remove a career’s worth of research results. It is in this context that the Information Technology Architecture Task Force (ITATF) in conjunction with AVC Jack McCredie formed the Security Working Group of the ITATF to outline and address these concerns.
• The Security Working Group summarized the risks associated with the lack of a coherent approach to network security:.
• Increased Network Connections - The ever-growing number of computers connected to the campus network increases our vulnerability to attack.
• Changing Computer Technology - New technologies and lower costs for technology increase our risk by being more open and more complex to support.
• Increased Reliance on the Network - Our increased reliance on the network campus-wide can cause a significant network problem associated with a security issue to become a major disaster.
• Support Issues - The challenge of staffing to support systems becoming increasingly more complex extends to security issues. Already overworked systems administrators and understaffed departments simply can’t find the time to take measures to prevent security incidents, hence compromising the security not only of their systems, but the campus network as well.
• The Security Working Group recommends the following actions for addressing security needs for the Berkeley campus:.
• Security Planning and Coordination - The campus should establish a Campuswide Computer Security Committee (CCSC) composed of representatives from a broad spectrum of the campus community, to do long range and ongoing security planning, and to evaluate the effectiveness of the campus’ security efforts.
• Basic Security Policies - The campus should adopt policies that define the security responsibilities of both the users and the people who maintain computers and networks on the campus.
• Central Resources - The campus should establish a central unit, the Campus Computer Security Group (CCSG), to manage security issues and assist departments with education, training, and incident prevention, detection and response. This unit should have five FTEs and an annual operating budget sufficient to cover salaries and incidental costs plus funding for hardware and software for monitoring the campus network to detect and reduce "attacks".

• V From SSN School of Advanced Software Engineering (Submitted On: 28-Jan-03) Abstract To date, most security development efforts have focused on infrastructure, such as firewalls, monitoring tools, or network access controls. Although basic infrastructure security is very important, it is by no means the whole picture. ... Although many vendors would like you to believe otherwise, there is no one product or practice that provides 100% comprehensive security-in-a-box for your entire enterprise network. Rather, a successful information security program combines a heterogeneous mix of hardware and software with policies and best practices, and requires the combined efforts and cooperation of everyone in the organization. The blueprint for pulling those products and practices together to meet the standards set forth in the policies is the Security Architecture. A comprehensive security strategy is essential to protect vital data, and to ensure continuity of operations. This paper discusses the overall structure, requirements for a network and its security aspects, issues that need to be managed, gathering security requirements and comes out with an architectural solution recommending several methods to do the same. At its highest level, the security architecture captures a set of goals that incorporate an organization's strategic vision. This vision serves as a roadmap for the security engineering process. ... Table of Contents TOC \o "1-2" \h \z HYPERLINK \l "_Toc31206079" Abstract PAGEREF _Toc31206079 \h 3 HYPERLINK \l "_Toc31206080" An Introduction - Networked systems PAGEREF _Toc31206080 \h 5 HYPERLINK \l "_Toc31206081" Non-Functional Requirements for Security PAGEREF _Toc31206081 \h 6 HYPERLINK \l "_Toc31206082" Availability PAGEREF _Toc31206082 \h 6 HYPERLINK \l "_Toc31206083" Consistency PAGEREF _Toc31206083 \h 7 HYPERLINK \l "_Toc31206084" Control & Audit PAGEREF _Toc31206084 \h 7 HYPERLINK \l "_Toc31206085" Authenticity, Confidentiality and Integrity PAGEREF _Toc31206085 \h 8 HYPERLINK \l "_Toc31206086" Functional Requirements of Security PAGEREF _Toc31206086 \h 8 HYPERLINK \l "_Toc31206087" Security Framework PAGEREF _Toc31206087 \h 9 HYPERLINK \l "_Toc31206088" Audit & Logging PAGEREF _Toc31206088 \h 11 HYPERLINK \l "_Toc31206089" Availability Management Component PAGEREF _Toc31206089 \h 12 HYPERLINK \l "_Toc31206090" Conclusion PAGEREF _Toc31206090 \h 15 HYPERLINK \l "_Toc31206091" References PAGEREF _Toc31206091 \h 16 An Introduction - Networked systems Typical Client Server Architecture Users, clients, servers, databases, firewalls and proxies today characterize most of the networked systems. ... Thus, it is important to define a required architecture for security that must be associated with essential services.

• Computer and Network Security .
• Administrative What: CS594 (29479) first year graduate level course Instructor: Tom Dunigan Text: Kaufman (et al), "Network Security, Private communication in a PUBLIC world" ISBN #: 0130614661 PRENTICE HALL Apr 1995. ... Spafford, "Practical Unix Security" Pfleeger, Security in Computing (2nd ed), Stallings, Network and Internetwork Security , and seminal papers Prerequisites: Familiarity with UNIX and C When: Tuesdays, 5. ... see the living course page Objective Understand computing security vulnerabilities and the techniques and tools for developing secure applications and practicing safe computing Course work Lectures, readings, exercises, PGP usage, developing small secure applications in C, paper on security issues, and final exam. ...
• Computer security. ...
• Network security (BSDisms, sniffers, wrappers, firewalls) .

• Computer Jobs.
• • Computer Certification Pays.
• • Computer Job Banks - Network Security.
• • Salary - Computer Jobs.
• • Tech Watch - Network Security News.
• • What's a Computer Job?.
• • Network Security Jobs - Certification.
• • New Counter-Terrorism and CyberSpace Security Positions Announced.
• • ITAA Urges Formation of Cyber Security Bureau.
• • Network Security Spending to Increase.
• About Network Security Jobs.
• It has long been speculated that even terrorists with limited means could bring a country to its knees, by compromising its major computer systems in a coordinated attack across the Internet. ... As a result, sources in the business of researching such, expect growth in network security spending. That means growth in computer network security jobs, too.
• —Governor Thomas Ridge, Director of Homeland Security, October 2001.
• If you choose the network security field, you'll help to keep hackers, viruses and maybe even terrorists from intruding and damaging computers, a problem that will only get worse as more computers are networked. You need only to scan the latest technology headlines to see this problem, as some angle on network security is in the news almost every day. ... Not very comforting, but at least it indicates job security. Skills for network security jobs are among the most demanded today, and will be more so in the days to come.

• Computer virus.
• In computer security terminology, a virus is a piece of program code that, like a biological virus, makes copies of itself and spreads by attaching itself to a host, often damaging the host in the process. The host is another computer program, often a computer operating system, which then infects the applications that are transferred to other computers. ...
• As with all code, viruses use the host's resources: memory and hard disk space, amongst others, and are sometimes deliberately destructive (erasing files / formatting hard disks) or allow others to access the machine without authorization across a network. ...
• There are a few relatively "harmless" viruses that have been written to perform a simple task (such as flashing a single message onto the user's computer screen). A small percentage of viruses are the result of computer code that operates in an unexpected manner, but the majority of viruses are programs deliberately written to interfere with, or damage, other programs or computer systems. ...
• The term "virus" was first used in this sense in print by Fred Cohen in his 1984 paper Experiments with Computer Viruses, where he credits Len Adleman with coining it. ... was One, includes a description of a fictional computer program called "VIRUS" that worked just like a virus (and was countered by a program called "ANTIBODY"); and John Brunner's 1975 novel The Shockwave Rider describes programs known as "tapeworms" which spread through a network for the purpose of deleting data. The term "computer virus" with current usage also appears in the comic book "Uncanny X-Men" No. ...
• A program called "Elk Cloner" is credited with being the first computer virus to appear "in the wild" -- that is, outside the single computer or lab where it was created. ...
• The predominant destructive effect of viruses is their uncontrolled self-reproduction, which wastes or overwhelms computer resources. ...
• A bomb is mostly located at the beginning of the virus, and it might for example try to erase all files on the computer at a certain date, like on any friday that happens to be at the 13th day in any month. ...
• Before computer networks became widespread, most viruses spread on removable media, particularly floppy disks. ... Some viruses spread by infecting programs stored on these disks, while others installed themselves into the disk boot sector, ensuring that they would be run when the user booted the computer from the disk. ...
• Today's viruses take advantage of standard network protocols such as the World Wide Web, e-mail, and file sharing systems to spread, blurring the line between viruses and worms. ...
• At bootstrap the computer runs the code located in the boot sector, which has been replaced by virus-code. ...

• Network Intrusion Prevention Solutions.
• Information Security Web Sites.
• Government/Homeland Security Web Sites.
• Network Security Glossaries.
• This resource center has been designed to bring you valuable security information to help you make educated choices about securing your network. We've included links to security focused sites and portals, technical papers, training, glossaries and more.
• Information Security Web Sites.
• Computer Emergency Response Team (CERT) .
• Computer Security Institute (CSI) .
• The Encyclopedia of Computer Security .
• Internet Security Alliance .
• Information Systems Security Organization .
• SANS/FBI Top Twenty Most Critical Internet Security Vulnerabilities .
• NPO Japan Network Security Association .
• NISER (National ICT Security & Emergency Response Centre) (Malaysia) .
• Government/Homeland Security Web Sites .

• An anti-virus software program is a computer program that can be used to scan files to identify and eliminate computer viruses and other malicious software (malware). ...
• Identifying suspicious behavior from any computer program which might indicate infection .
• Dictionary-based anti-virus software typically examines files when the computer's operating system creates, opens, and closes them; and when the files are e-mailed. ...
• Macro viruses, arguably the most destructive and widespread computer viruses, could be prevented far more inexpensively and effectively, and without the need of all users to buy anti-virus software, if Microsoft would fix security flaws in Microsoft Outlook and Microsoft Office related to the execution of downloaded code and to the ability of document macros to spread and wreak havoc. ...
• Computer users should not always run with administrator access to their own machine. ...
• The dictionary approach to detecting viruses is often insufficient due to the continual creation of new viruses, yet the suspicious behavior approach is ineffective due to the false positive problem; hence, the current understanding of anti-virus software will never conquer computer viruses. ...
• Network Associates .

• Other Sources of Security Information .
• Home Network Security.
• This document gives home users an overview of the security risks and countermeasures associated with Internet connectivity, especially in the context of “always-on” or broadband access services (such as cable modems and DSL). ...
• Computer security .
• What is computer security? .
• Why should I care about computer security? .
• Who would want to break into my computer at home? .
• How easy is it to break into my computer? .
• How is broadband access different from the network I use at work? .
• Computer security risks to home users .
• Intentional misuse of your computer .
• Actions home users can take to protect their computer systems .
• Turn off your computer or disconnect from the network when not in use .
• Make a boot disk in case your computer is damaged or compromised .
• Computer security.
• What is computer security?.

• Computer bug.
• A computer bug is an error, flaw, mistake or fault in a computer program which prevents it from working correctly. ... It is said that there are bugs in all useful computer programs, but well-written programs contain relatively few bugs, and these bugs typically do not prevent the program from performing its task. ...
• 5 List of computer bugs.
• 6 Common types of computer bugs.
• In some operating systems, such as Microsoft Windows, crashing or freezing programs may render the computer unusable until it is rebooted (see blue screen of death. ) Other bugs lead to security problems; for example, a common type of bug called a buffer overflow may allow a malicious user to execute a new program that is normally not allowed to run. ...
• In 1996, the European Space Agency's prototype Ariane 5 rocket was destroyed less than a minute after launch due to a bug in the on-board guidance computer, costing over US$1 billion. ...
• Photo of first computer bug.
• Invention of the term is often erroneously attributed to Grace Hopper, through an anecdote that tells of a malfunction in an early electromechanical computer. ...
• Some bugs arise from simple oversights made when computer programmers write source code carelessly or exceed their hrair limit. ... Other bugs arise from unintended interactions between different parts of a computer program. This happens because computer programs are often complex, so that programmers are unable to mentally keep track of every possible way in which different parts can interact. ...
• The computer software industry has put a great deal of effort into finding methods for preventing programmers from inadvertently introducing bugs while writing software. ...
• Finding and fixing bugs, or "debugging", has always been a major part of computer programming. ... As computer programs grow more complex, bugs become more common and difficult to fix. ...

• The range was first introduced by Microsoft in 1985 and eventually came to dominate the world personal computer market. ...
• 4 Security.
• The Windows desktop has produced a significant change in the way people and computers interact; it is possible to perform many common tasks with very little computer knowledge, including some quite complex ones. ...
• Modern operating systems need to cater for the vastly increased user base with a lower average computer skill level and the increased power and complexity of modern computer systems. Therefore, some technically savvy users accuse the Windows interface of isolating the user from too much of the inner workings of the computer, making it more difficult to control and configure some system features. ...
• Security.
• Security has been a major issue with Windows family products for many years. Most modern operating systems were designed for security in a multi-user and/or networked environment and have a relatively small number of security issues. Windows was originally designed for ease-of-use on a single-user PC without a network connection, and did not have security features built in from the outset. ...
• Microsoft publicly admitted their ongoing security problems shortly after the turn of the century and (according to their press statements) now regard security as the number one priority. ...
• Microsoft releases security patches through its Windows Update service approximately once a month, although critical updates are made available at shorter intervals. ...
• Microsoft introduced a new security initiative called Palladium in 2001. ...

• 4402 CS454 Computer & Network Security.
• Location:            Engineering, Computer Science, and Technology Bldg. ...
• This course exposes students to various topics related to computer and network security. ...
• Network Intrusion Detection.
• Wireless Security.
• -          scan a network to locate machines and open ports.
• -          detect network intrusion attempts.
• Network Overview.
• Install and run network-based vulnerability scanner Nessus (www. ...
• Network and Host-based IDS.
• Gaining access via network attacks.
• Network, Application, & OS Attacks.
• Find a successful exploit against each type of lab computer. ...
• Network intrusion detection system.
• org)  onto your computer.   Simulate network attacks against your computer (eg. ...

• CompInfo - The Computer Information Center .
• Computer.
• Computer .
• Computer.
• Computer .
• Network Security - Outline.
• Network Security - Knowledge Bases.
• HACKER WHACKER Security Sites (Wallyware, Inc. ...
• Home Network Security (CERT Coordination Center) .
• This document gives home users an overview of the security risks and countermeasures associated with Internet connectivity, especially in the context of "always on," or broadband access services (such as cable modems and DSL). ...
• ISA Server and Windows 2000 security resource site .
• IT Security Cookbook (Sean Boran) .
• This book is intended as a 'self help' guide to computer & network security, primarily for security managers, programmers and system administrators. ...
• Network Security Library (secinf. ...
• Security FAQs (Internet Security Systems, Inc. ...
• Includes FAQs on Securing a Network, Compromise, File Sharing, Windows NT, Security Patches and Network Packet Capture .

• Generally, a peer-to-peer (or P2P) computer network refers to any network that does not have fixed clients and servers, but a number of peer nodes that function as both clients and servers to the other nodes on the network. This model of network arrangement is contrasted with the client-server model. ... Peer nodes may differ in local configuration, processing speed, network bandwidth, and storage quantity. ...
• 3 Peer-to-peer from a computer science perspective.
• 1 Computer science research.
• When the term peer-to-peer was used to describe the Napster network, it implied that the peer protocol nature was important, but in reality the great achievement of Napster was the empowerment of the peers (i. ... , the fringes of the network). ...
• Peer-to-peer from a computer science perspective.
• Peer-to-peer systems and applications have attracted a great deal of attention from computer science research; some prominent research projects include the Chord lookup service, ARPANET, the PAST storage utility, and the CoopNet content distribution system (see below for external links related to these projects). ...
• network/protocol .
• applications using that network .
• BitTorrent network .
• Direct Connect network .
• eDonkey network .
• Freenet network .
• Entropy (on its own network) .

• An instant messenger is a computer application which allows instant text communication between two or more people through a network such as the Internet. ...
• Also, most services convey a "online status" between users, such as if a contact is actively using the computer. ...
• The networks utilized by multi-network IM clients have been silent, except for. ...
• 8 of its protocol in order to connect to its network. ...
• But on September 26, 2003, Yahoo! made changes to its instant messenger fully aware that it might prevent users of Trillian from using their network to communicate. Like Microsoft, they also cited security concerns, rather than the need to block third party clients. ... This red herring provided little extra security, but does make the login process harder to reverse engineer. The changes not only prohibited connection to Yahoo!'s IM network, it also caused the Trillian client to crash. Yahoo! announced they would continue to work to prevent other clients from using their network. ...
• Computer conferencing .

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