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Locking your Computer's Doors - Most people won’t have File and Printer sharing enabled on their home computers, but they may still have other vulnerabilities. Windows XP comes with web server and remote administration disabled by default. And then there are those port scanner programs hackers use, scanning the Internet for vulnerable PCs. Cisco CBAC: - The Poor Mans Firewall - CBAC Overview The Cisco IOS Firewall Feature Set is a module that can be added to the existing IOS to provide firewall functionality without the need for hardware upgrades. There are two components to the Cisco IOS Firewall Feature Set in Intrusion Detection (which is an optional bolt-on) and Context-Based Access Control (CBAC). CBAC maintains a state table for all of the outbound connections on a Cisco router by inspecting tcp and udp connections at layer seven of the OSI model and populating the table accordingly. When return traffic is received on the external interface it is compared against the state table to see if the connection was originally established from within the internal network, and then either permitted or denied. Protecting your LAN is no longer Optional - The ever-increasing threat presented by viruses and crackers necessitates a hard-line approach to controlling access to your data. Your LAN is one of your most precious assets. In fact, all the information on it and all the information that passes through it can be thought of as the blood of your company. Not too long ago, your only method of protecting it was to make sure that any disks brought into the company weren’t infected with viruses and to ensure that any disks leaving the company were safeguarded against your competitors. Firewalls: Your Personal Line Of Defense - Each day, millions of users log onto the Internet. Securing Your Computer's Information - It is no secret that there are computer hackers out there and any information on our computer systems is susceptible to attack. Ensuring confidentiality of sensitive information is critical to any organization. Any compromise of information about your business, customers, employees or partners could lead to very costly consequences. Various technologies have been implemented to protect our computers and when choosing the right security, one can feel protected. But how much do you know about network security and how to protect your information? As critical as it is to protect information, industry solutions still remain a bit behind the times. Secure your Computer for Safe Internet Usage - From email to online banking and investing to shopping, today people are using their computers for many things that used to be done only offline. Email Systems Security: Dedicated Appliances Are The Key - Maintaining an in-house email system involves major appraisal of security risks and implications for the smooth running of any business. This can involve activity far beyond the task of installing and maintenance of Microsoft Exchange systems - it involves a major focus on the security required to ensure your Exchange Server stays up and running effectively. Security: The Hardware Advantage - A fairly high percentage of computer users are now educated enough to know they must have security products deployed in order to protect their computers. In the case of Corporate Users, the IT staff makes sure their gateway is stacked with the latest and greatest security appliances protecting the parameter. In the case of Home Users, the users themselves make sure to install security software, typically a combination of personal firewall, antivirus and anti-spam. Or a single streamlined Internet Security Suite. In both cases, the solution is simply not good enough! We'll start with explaining why security software running on top of the computer it aims to protect will always be inferior to an external hardware solution. What Is Slowing Your PC? - It's always the same old story, you buy a brand new PC and everything seems to be working fine. After six months you find that everything is working a bit slower - applications take a few seconds to open, some windows freeze, and more. After a couple of years it becomes simply unbearable. Have you ever wondered what is slowing your PC? Security software, constantly growing and slowing your PC One of the biggest contributors to the constant decrease in the PCs performance is the security software that is trying to protect it. Outside The Safe Zone - Businesses around the world are being bombarded with sophisticated threats against their data and communications networks every day. As enterprises invest heavily in fortifying their IT infrastructures and enforcing comprehensive and constantly upgraded security policies against malicious code attacks, another home-grown threat - the mobile workforce - is opening the floodgates to compromised enterprise data and corporate network contamination. Though mobile working offers gains in commercial and operational value, enterprise security policies often stifle the effectiveness and productivity of mobile workforce devices. Here we examine why best of breed softwares, in isolation, are not able to provide the mobile workforce and their laptops with the same high level security afforded to office based workers. The Challange - Security Vs. Mobility - The overwhelming increase in the mobility of the corporate workforce and the availability of wireless internet connections in airports, hotels, and coffee houses, creates an unbearable challenge to IT managers. Firewall Spam - Get Rid of Those Malicious Spams! - Cyberspace today is attacked by viruses, spams, trogon, spy wares etc with the main purpose of causing trouble to the internet users. The internet users thus feel very insecure and are always in a fear against this software's, which enters the operating system or the mailbox without the permission of the user. The need for updated and efficient spam blockers, firewall spam's, anti virus solutions and pop-up blockers are very important to ensure security and protection against these hawkers. Newer and powerful spam removers are programmed to keep the spam mails at bay, but still they only filter spam. Just like the firewall setting in the computer blocks insecure and doubtful web sites a firewall spam is also discovered to completely block spam mails from reaching the users mailbox. Spam mails are sent mainly for commercial purposes. Anti Software Spam can minimize the risk - What is a spam? How does this spam enter your mail box? Are they malicious to your system? How to stop this spam or protect your working environment and thereby save time? Spam is an unwelcome guest, which enters your email box for commercial purposes. These unsolicited mails can sometimes be sent by internet hawkers to destroy or crash your system. If not really careful these highly dangerous mails might spread deadly viruses into your system configuration thereby creating system crash and loss of files. What Everybody Ought to Know: It's No Longer Enough To Install Off-the-shelf Security Software - Think about this: You had problems with your computer in the past. Now you want to insure that those little annoying nuisance, pests, threats, and risks from hackers and spyware don't hide in your computer any more. So, you load up your computer with all the free and off-the-shelf security software you can find. The Internet and Security - The Internet is the worldwide, publicly accessible network of interconnected computer networks that transmit data by packet switching using the standard Internet Protocol (IP). It is a "network of networks" that consists of millions of smaller domestic, academic, business, and government networks, which together carry various information and services, such as electronic mail, online chat, file transfer, and the interlinked Web pages and other documents of the World Wide Web. The Internet and the World Wide Web are not synonymous, the Internet is a collection of interconnected computer networks, linked by copper wires, fiber-optic cables, wireless connections, etc.The Web is a collection of interconnected documents and other resources, linked by hyperlinks and URLs. The World Wide Web is accessible via the Internet, as are many other services including e-mail, file sharing, and others. PC Safety 101 - Spyware, adware, and viruses is a new major concern for PC users everywhere. Infecting your computer silently (usually installed with programs that seem harmless), spyware and adware can collect personal information about you, as well as cause pop up ads to come up all of the time, changing your browsers home page, sometimes even completely disabling your computer's usability. Microsoft's Windows Vista - Windows Vista is the next version of Windows for clients and servers. With the client version expected in 2006 for businesses and 2007 for consumers and the server version in 2007, Vista adds numerous features, including improved security and advanced multimedia capabilities. Vista also includes Trustworthy Computing (Palladium) and greater support for digital rights management. PCs running Vista require more memory than Windows XP. At least 1GB is recommended, with 2GB being a safer bet. Security and safety features of Windows Vista There are a number of security and safety settings of Windows Vista. Three Dimensions to Protect your Computer - First - Strengthen the defense of your computer - Install Firewalls "Firewall" is an isolation technology to separate the internal network and the Internet. The firewall carries out some filtering when two networks communicate. It lets the data/person that you "agree" to enter your network, and also block the data/person you "do not agree" from your network. It can prevent they changes, copy, or destroys your material. To ensure the firewall get into work, you must keep it update. - Install Anti-virus software The key on computer virus is not "Kill" is "Prevent". Secure your Network - The components and the layout of your network will determine what you'll need to secure local computers, but some things are musts for any network that is connected to the Internet. A few simple preemptive measures can go a long way toward protecting your data and keeping your systems safe. Security measures:1. Basic security 2. Antivirus software3. Software firewalls 4. Hardware firewalls Basic security The first step to securing your network is to use the standard features that are built into your gear. Spyware - How to Protect Your Computer from it - Spyware was in headlines for the first time in 1999 when a freeware game called " Elf Bowling" circulated with spying software along with it. Since then spywares are creating a havoc in the computer world. Some of the downloadable software comes with a licensing agreement that a spyware program will be installed along with the requested software.

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