Computer Security Is Important To Computer Users

Nowadays,in fields of business and at home,computers are broadly used. However,people keep and share the great number of data if they don't get enough security properly.A couple of steps must be taken ,which are generally called as computer security to defend the data.What's computer security?It is a particular realm of computer science that concentrates on the progress and execution of security steps corresponding to the employ of a computer.A secure computing platform is evoluted that makes users be able to work without being anxious about the safty of their data.You are able to do anything you can without being anxious about other people obtaining the data as long as your computer is saftey.In order to achieve this objective,diverse technologys are employed.But machines, which have basic security flaws only can protected after they are altered in some aspects.This result in the consequence lots of machines can't  be able to be secured with usable security systems.

Your aime should be to keep it from unwelcomed programs because the computer is vulnerable to lots of attacks.Pay attention to any strange email in your mailbox,once opening these mails would give the attached virus a access to your system.The attached virus are a bostinate and as long as they are installed,a great many effort are needed to get rid of there threats.

Afterward,you install freash security steps in your computer,however,most of these viruses install freash programs and leave. Owning to their mix with your current programs,and hence it's hard to remove with ease and it is rather hard to identify these annoy.Stop any of these viruses from getting is the best solution to defend your machine.

Click here to secure your computer effectively.

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This video discusses computer security and explains some of the measures that individuals and companies can take to keep their data and computers safe. It is produced and presented by Christopher Barnatt, author of ExplainingComputers.com, and Associate Professor of Computing and Organizations in Nottingham University Business School. For more information, please visit the security pages of ExplainingComputers.com

Tags: printers, software, computer equipment

Computer Security

Computer security means a security which is used in computer and network. When some unauthorized person works on our computer than computer security is used in detecting that person and preventing that person from using it. In order to be safe as we use computer in day today life computer security is very essential. Its main objective is to protect the important data from thefts so that he could not be able to corrupt the data.

There are three layers in the computer security:

Hacking

An unauthorized person uses the computer is known as hacking. Cyber crimes main components include hacking.

Cracking

When the intension of the unauthorized person is of causing harm and creating problem than such a unauthorized intrusion is known as cracking.

Phreaking

Cracking of the phone network by unauthorized person it is known as phreaking

Measures taken for the improvement in computer security are:

The person who will compromise with security will not be allowed to access computer. Dependence on computer programs for computer security is prohibited and hence necessity for development of hardware mechanism. Operating system mechanism development is also necessary for imposing the rules on programmes. Planning for programming strategies is also very important.

How to do computer security

There are many ways for doing this. Here are some ways

Updating the software’s is very necessary  so keep updating the software One of the most common ways of computer security is using firewall. It tells us everything like data which has gone out and the data which has entered in. Password used should contain alphabet, numeric value and sign and it should be changed every now and then. Antivirus should be present and should be updated from time to time. Encryption is very necessary as it secures our data to a maximum extent.

Computer securities have some technical areas on which it works are

ü  Confidentiality

ü  Integrity

ü  Authentication

Confidentiality here means keeping things private or in secrecy so that unauthorized person cannot use it then comes integrity which means changes cannot be made by any unauthorized user as it is protected and last authentication means the person who is authorized for that that.

Computer security professionals are concerned mainly about  access control and nonrepudiation.

Access control means not only that user can access the resource and services but user has to access the resources which he legitimately expects.

Nonrepudiation means if a person sends a message then he cannot deny that he has sends it and vice versa.

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Question by sparkedit2: Computer Security?
I have windows vista ultimate and i want to install some antiviruses.
I have webroot-spysweeper and norton antivirus. Can i install both of them? I tried installing 2 different antiviruses on my other computer and it totally crashed! Since i have 2 different products, i wonder if it will always crash if you have more than 1 antivirus working on 1 computer.
-thanks
P.S.- which is better? Norton antivirus or norton internet security?

Best answer:

Answer by Fireplane
For a really good anti-virus you actually have to pay money, Norton Antivirus and Norton Internet Security are different things that protect different parts, I like to use AVG, even the free version is pretty good.

Add your own answer in the comments!

7 Simple Steps to Online Computer Security

Online computer security is critical right from the moment you switch on your brand new computer. Here are 7 Simple Steps to Online Computer Security (Information Security online).

1. Install anti-virus and anti-spyware software.

Install Anti-virus and Anti-spyware software on your computer before you start surfing the first time. The difference between a computer virus and spyware is that - a virus is a malicious piece of computer code that can be implanted on any computer and it can result in destruction of the file systems of your computer and can be transferred from one computer to another and spread like the biological virus. A spyware is a program that collects information about you without your knowledge or consent. A spyware does not spread like a virus.

2. Keep your computer firewall ON all the time

Most anti-virus soft wares come with a firewall. If the operating system that you are using is Microsoft Windows XP Service Pack 2 (SP2) or Macintosh OS X, then it has an in-built firewall. Usually, the firewall is off when the computer is shipped to you, so make you read instructions on how to turn on the firewall. A firewall prevents direct communication between your computer and another computer (a hacker's computer).

3. Turn on the automatic software updates feature

Turn on the automatic updates feature of your anti-virus, anti-spyware, OS, and firewall on and stay current. This is a good online computer security measure. It is important that you have the most current protection. Hackers search on the internet for computers that are either unprotected or don't have the latest protection features. Hackers can hack into your computer and install software on your computer. This will enable them to steal login details of your online bank accounts, other membership sites like Ebay, Paypal etc. and also send Spam emails that appear to originate from your computer. Sending Spam emails that appear to originate from your email address can result in your account being revoked!

4. Store your computer information safely

Storing your computer information safely can help the technician who is fixing/ restoring your computer. For example, on Windows, Click Start and then choose Run. This will bring up small window wherein you need to type ‘msinfo32' without the quotes. This will bring up a system window. On this widow, choose the file menu and then Export. Export your system information on to a CD. Similarly, for other operating systems, search on Google.com for information on storing the system information on a CD.

5. Backup important files

It is important to back up important files. Determine what you would do to restore your computer if it has been attacked. Pretend that your computer file system has been corrupted and then what steps would you take to restore. You will realize that having a backup can make things easy for you.

6. Use strong password authentication

When you signup for an online membership like online bank, , Paypal, Ebay etc., do not use weak passwords that can make it easy for people who know you or have your some information about, easy to hack. Using your significant other's name, child's name, pet's name etc. are weak. Use something stronger like first letters of the address of the house where you were born concatenated to your birth year or something along those lines. It is best if the password is NOT some meaningful word!

7. Protect your personal information

If you are asked to give out personal information like phone number, address, SSN, identification numbers etc. on the internet, use more caution. Find out exactly why and how they will be used. If there is a link in your email that asks you to login by clicking on the link, then don't! Usually genuine emails don't ask you to login directly by clicking a link in the email. If you want to login to your membership accounts, always open a new browser and then type the URL of the website (to login to Paypal account, type paypal.com on the new browser instead of clicking on the link from an email that is asking you to login.).

If you are giving out credit card information, then the page that accepts credit card information must have secure encryption. The URL usually begins with https instead of the regular http. If you right click and select properties, the Connection section should read something like 128 bit encryption (High) and also must have 1024 bit exchange.

Following these 7 steps to online computer security can protect you and your computer from online attacks. Be sure to visit computer security groups in Yahoo (groups.yahoo.com) and Google (groups.google.com) for some free online computer security information.

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Computer Security: Protecting Your Data

Computer Security has become increasingly important as more and more companies rely on software to run their business.  This article will provide you information about computer security and how you can use it to protect your data.  Whether you’re a business owner, an executive, or an IT manager, the following information will be beneficial to you.

A “safe” computer is still a target. As new weaknesses and new systems of attack are discovered, just about anyone can most likely launch an overwhelming attack against an unprotected network. Computer security is a requirement.

Network attacks are developing in their class and in their abilities to dodge detection. Also, attacks are becoming more centered and have bigger money implications for their victims.

Connecting a computer to an external network (for instance, the Net) introduces the chance that outside assailants will exploit the network, maybe by taking network information or by impacting the network's performance (for instance, by introducing viruses). However, even if a network were disconnected from any external network, security threats (in reality, the majority of the likely security threats) would still exist.

In particular, according to the Computer Security Institute (CSI) in San Francisco, California, roughly 60 to 80 percent of network misuse situations spring from the interior network. Thus, although network isolation is never possible in today's e-business environment, even physical isolation from other networks doesn't guarantee computer security.

Primarily based on these contributors, network directors must consider both external and internal threats. Computer security threats originating within a network are far more serious than external threats. Here are some reasons for the seriousness of internal threats:
- Internal users already have understanding of the network and its available resources.
- Inside users generally have some level of access granted to them due to the nature of their job.
- Standard computer security mechanisms like Intrusion Prevention Systems (IPS) and firewalls are ineffectual against a lot of the network misuse originating internally.

On the other hand, external assailants potentially don't have intimate understanding of a network, and because they don't already possess access credentials, their attacks have a tendency to be more technical in nature. For instance, an assailant could perform a ping sweep on a network to spot IP addresses that reply to the series of pings. Then, those IP addresses may be the subject of a port scan, in which open services on those hosts are discovered. The assailant could then attempt to exploit a known weakness to compromise one of the discovered services on a host. If the attacker gains control of the host, he could use that as a jumping-off point to attack other systems in the network.

Based on these factors, network administrators must consider both internal and external threats.  By monitoring computer security, you can significantly reduce operating expenses and improve overall company productivity.

Computer security solutions can help you protect you data by detecting and eliminating computer security vulnerabilities, including the following areas:

Unapproved Software: Ensures that all software applications installed on your network computers are approved by your company's security policy.

Suspicious Traffic: Detects abnormal traffic on your network that could indicate an attempt to access or manipulate your computers.

Intrusion Vulnerability: Identifies open ports or other undesired access points that could put your computers at risk of intrusion.

Malware Protection: Protects your network with antivirus and other computer security software; ensures installation, updates and proper function on all computers.

Updates & Patches: Assures all critical security updates and patches are installed, with Microsoft's minimum protection.

Security Practices: Ensures all your computers are configured and used in accordance with best practices for IT security.

Clear Blue Agents: Monitors your computer security status and lets you know how to solve any problems it detects.

Virtual Security Assistant: Provides 24/7 security for your entire network at a fraction of the cost of human domain experts.

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Why do you need computer security?

Computers are an inseparable part of our lives today, life that has increasingly become technology driven. Besides work, we use computers for communicating, banking, entertainment, research – just to name a few. Besides hardware, security of the new-age machines is threatened by malicious software, viruses, Trojans etc. all designed to cripple a system. Loss of computer security leads to corruption or loss of data, misuse or theft of information, identity theft and unauthorized use of client information, transmission of computer viruses that can affect third parties and can lead to potential liability, services interruptions, security breaches at vital government installations that can threaten national safety. For corporate houses, loss of computer security can make vital difference in acquiring new work and sustaining current projects.

These are strong reasons to computer support the need for installing computer security systems. The first important requirement is licensed Anti-virus software. There are over 50,000 known viruses and 200 new viruses are discovered every month. The easiest method for spreading viruses is by e-mail attachments or instant messaging messages. Viruses can be disguised as greeting cards, funny images, or video and audio file attachments. The computer needs to get updated with latest threats and that is possible only with original computer security software as it gets automatically updated every time the machine goes online.

The next important requirement is Firewall Software. This enhances computer security by controlling communications from it, prevents unwanted accesses and is capable of blocking outgoing and incoming IP addresses.

Often computer security is compromised due to spyware that enters a machine by deceiving the user or through some software loopholes. Sometimes the user is tricked into unknowingly installing it or it piggybacks on desirable software. Hence, spyware removing software is a must in the computer security system.

A pop-up blocker is another important element in securing computers. Malicious attackers are likely to use pop-up windows that are concealed as special offers to set up a malicious code on a computer.

Besides all these installations it is important to ensure correct practises to ensure computer security when accessing the Internet. Never download email attachments from unknown persons, do not share your banking details and passwords with unknown people, do not click on links inside emails, for financial transactions - type in the URL each time on your browser and take care when sharing flash drives. These are just some additional measure to ensure computer security. Always buy licensed, original Operating System Software and Anti Virus Software. While there are cyber laws to help track and punish breaches in computer security, its better to be safe rather than sorry!

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Question by moondust: Computer security.?
Why is computer security so easy to bypass.
In Xp you can lock your files and folders from other users so they cant view them but if you attached the hard drive with xp on it to a vista pc or laptop vista will bypass xp,s security and let you view all files.

Why is is so easy to bypass vista passwords too And why is it that you can use a usb device to take controll and get sensative data from pcs and laptops.

I have always learnt how to bypass security by any means.
Even the secure pc can be breeched so why is pc security so weak?.

xp & vista are very weak and most of the population use windows even with the security packs installed and the latest updates installed a pc can still be breeched.

I do not think anyone who owns a pc would be safe security wise so why do people even bother with security programs most of them cant detect newly programed code and by the time they do its too late.

Best answer:

Answer by dawnze
yes but its better than nothing and stops the casual user from getting in ..

Know better? Leave your own answer in the comments!

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The Need for Physical Computer Security

Imagine showing up to the office one morning to the chilling reality of having been a victim of theft. Laptop computers are missing, LCD monitors gone and, most disturbingly, the space where the file server is vastly empty. Not only are you faced with the loss of expensive and valuable equipment, but also the critical data you are accountable for has now been compromised. Theft of valuable and sensitive computer equipment can have extreme repercussions and costs to businesses, individuals, and the general public.

You hear it all the time but never imagine it will happen to you. Unfortunately, computer theft and tampering is real and occurs more often than most people realize. As technologies improve and computers become even more lightweight and mobile, the risk of theft and security intrusions also increases. Unsecured laptops and other computer equipment are easy targets for theft in any office or public environment. Whether it is a school, private office, airport or library, there is the potential for computer theft and tampering from both external and internal threats.

According to a 2006 study by the Ponemon Institute, there was an 81% increase in the number of computers reporting stolen laptops containing sensitive information. A survey conducted by the FBI in the same year reported that 47% of computer security professionals reported a laptop theft in the past twelve months. At the office of American International Group, a file server and several laptop computers were stolen and compromised the private data of over 970,000 potential customers. While traveling, an Equifax company laptop was stolen from an employee risking personal information including employee names and social security numbers.

Well, maybe this will only affect business travelers and high traffic office environments? Nope. Computer theft can happen anywhere from a presentation hall to your very own home. An ING US employee found this out when a company computer was stolen from their home exposing the personal identities of over 13,000 employees and retirees in the District of Columbia. Similarly, an employee of the Department of Veteran Affairs had a company laptop stolen from home compromising the personal information of 26.5 million US war veterans.

How do you protect yourself and your valuable equipment? Often it is just common sense, but there are many computer security solutions available to safeguard your equipment and data. At any computer workstation, a computer cable lock could be enough to prevent a laptop, printer, or monitor from being stolen. Computer security cables, computer locks, and laptop locks are all cost effective solutions that could easily deter a thief and motivate them to move on to other, easier targets. One major retailer in the US has already invested in new computer security locks throughout their chain to comply with PCI data security standards. For file servers and larger computer hardware, complete computer enclosures and computer lockers can also effectively secure equipment from theft and tampering.

It is better to ere on the side of caution and safeguard your computer equipment than risk losing everything. Thinking that computer theft will never happen to you only makes it harder to deal with if it ever does. By taking some time to consider computer security options, you protect your valuable equipment and the data within it.

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Computer Security: How You Can Improve Yours

The objective behind the concept of computer security actually varies quite a bit depending on the use of the computer. Computer security may include the protection of specific information from corruption or theft, for example. In general this can impose specific requirements on computers in addition to most standard system requirements. There are a number of different typical approaches that can be taken when it comes to improving computer security, including the following:

- Physically limiting the access to a computer so that computer security will not be compromised by those who are granted access to use it.

- Utilizing hardware mechanisms that can create and impose rules for specific computer programs, allowing computer security to be imposed without requiring individual programs to implement it.

- Implementing operating system or OS mechanisms that are capable of creating and imposing rules that avoid having to trust programs on the computer.

- Implementing programming strategies that allow subversion to be resisted and make computer programs more dependable.

In most cases, the computer security devices that are put into place are dependent upon the application uses the computer is created for. Different computer systems require different levels of security, as the level of privacy or protection needed is going to vary significantly. Computer systems under government control, for example, require a much higher level of security than computers used by students in a university setting. The level of required computer security, then, along with what forms of security are implemented, are going to vary significantly as well.

Implementing computer security may include creating or utilizing secure operating systems, though much of the science associated with this form of security was developed several decades ago. Security architecture is another option, and involves describing how specific security countermeasures and controls are positioned to protect the information technology. Firewalls are an example of security meant to protect computers from threats that travel via the internet or peer to peer connections. Chain of trust techniques are techniques that are used to ensure that all software on a computer is certified as authentic directly from the designers of the system. Access control is used to ensure the separation of privileges, ensuring that only specified people have the right capabilities on a computer system.

There are also cryptographic techniques which transform information into something that is meant to be indecipherable by anyone but approved persons. Information can also be secured for computer security purposes using backup files which allow important files to be protected by creating copies should they ever become corrupted or destroyed.

Essentially, the primary focus of the computer security field of information technology is to protect the integrity of computers, the data contained within them, and any information that may require restricted access. Some level of computer security is needed by anyone who owns a computer, including student computers in a university setting, computers owned and operated by the government, and even the laptop that you use to check your e-mail at night.

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Almost everyone owns a personal computer. Take a look into anyone’s computer, and you will find all sorts of data stored there—emails received and sent, chat histories, communication logs, bills, banking and financial information, even details about credit cards, and much more. And your computer follows the same trend of setting itself up as a storehouse of information!

But what you are rapidly discovering now is that people with unhealthy inclinations are finding it easier and easier to access your personal information as well as misuse your financial data! It is like an intruder entering your personal territory, when he/she has no right to be there! While these intruders do it just for fun, others have far more evil designs, as you will see:

(1) With the Internet being accessible to everyone, the hacker has a chance to “prey” upon your PC through another computer without your even being aware of it! You would require great tactical skills to outsmart him/her! Often, by the time you discover an intruder tampering with your system, it is too late!

(2) A favorite disguise is to act as the “intruded computer” and keep a watch on your system. As a victim yourself, naturally you will not suspect another victim! The hacker therefore has a wonderful opportunity to completely re-format your hard disc without your knowledge. So there goes your credit card info, information about the money you have in your bank accounts, and God knows what else! Why, these clever thieves even manage to get hold of user names and passwords with ease!

(3) And if you are still perplexed about how the hacker gets into your “secure and personal” system, well my friend, he has wonderful tools to aid him! They are capable of penetrating where they will. And mind you, some of them never enter via the front door—it is always a back door entry! These are known as “infections” or “viruses”. A few common ones are Subseven, Netbus and MoSucker.

(4) Trojans are bold intruders who don't think twice in making an entrance via the front door or front window! They are more dangerous than viruses. In fact, they introduce more viruses into your already infected computer! These “clever” horses are capable of disfiguring your system configuration altogether, taking screen shots of your current screen on the computer, capturing all the keystrokes and finally bringing the whole system crashing down so that it no longer works. If you have a printer, they even manage to print matter via your printer. Using a Trojan horse is child’s play for any intruder!

Then, how do you protect yourself from these hackers?

You have to opt for Computer Security, if you wish to keep your system safe. An active defense system is like having two personal guards looking after your personal property. The defense network sends out constant alerts about impending threats, gives information about whether the intruder has made a successful entry or has been blocked, and conducts repair jobs immediately if necessary.

Ensure that the patches provided by your computer vendors are downloaded and installed. They are to be checked for updates at least once or twice a week.

An infected computer can be compared to an “ill” person. When you are sick, what do you do? Consume the required course of antibiotics. Well, the antibiotic for your “infected” or “ill” computer is anti-virus software. This type of software keeps you informed about the “germs” and tells you how best to deal with them. Well-developed software can even rid your computer of these viruses completely. The best known and most popular ones today are—Norton Anti-virus and MacAfee security center.

Thus, it is a continuing battle between computer vendors and hackers! As fast as a computer vendor discovers a loop hole and patches it up, so fast does the intruder discover another way of getting over this obstacle! It is not a once-in-a-while occurrence; the process goes on day in and day out. Both sides are therefore kept busy all the time!

If you believe your computer network to be flawed or vulnerable, get a free quote for computer network security services or visit bsecure.com.au; keeping computer networks in Sydney Australia, secure!

Kaspersky 2012 Full Internet Security for up to 3 Computers 1 Year Protection US $34.99

APC Biometric Password Manager Fingerprint Computer and ACCT Security US $29.99

Computer Technical Manuals Lot Windows Server 2003 Guide 2003 Security More US $14.95

Defcon 1 ultra notebook laptop computer security locking alarm system NIB US $15.94

Spy vs Spy Ad Poster G Woodbridge Art 1991 Early Computer Virus Security RARE US $19.99

2 Kensington Microsaver Computer Security Cables Keyed US $15.95

Computer Security Handbook by Arthur E Hutt Seymour Bosworth and Douglas B US $6.99

ID GUARD VaultComputer Security System DeviceSTOP Identity Theft Hackers US $14.99

Protect your PC computer secure password identity theft US $7.25

Computer Security Handbook by Michel E Kabay Seymour Bosworth and Eric US $59.99

Kensington ComboSaver Computer Security Cable PriorityShip US $15.50

Computer PC Security Lock by Qualtec NEW US $9.00

HUGE LOT 56 PC Computer Software Fonts Clip Art Resume Security Spanish More US $39.99

Kensington Microsaver Computer Security Cable Lock With 2 Keys US $7.99

Master LOCK Security Lock Kit For Computers Kablit CPM 210 10 ft Lot of 2 US $55.00

NEW Spyware Trojan AntiVirus Security Software Computer US $6.85

BACKTRACK 5 LINUX OS Computer Security Software Hacking testing DVD free ship US $3.50

Introduction to Computer Security by Roberto Tamassia and Michael Goodrich US $100.00

Targus PA400U DEFCON 1 Ultra Notebook Computer Security System US $40.00

NIB Kaspersky Internet Security 2012 3 computers $80 NEW US $30.99

BRAND NEW McAfee Internet Security 2012 3 User Licenses for 3 Seperate Computers US $14.95

NIP Never used Norton Symantic Internet security computer virus protection US $22.00

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Real Digital Forensics Computer Security and Incident Response by Richard US $41.84

Targus Notebook Computer Cable Lock Security Cable Defcon CL Brand NEW US $2.99

Targus DEFCON 1 Ultra Laptop Computer Security System US $1.00

UN LOCK AND ROCK GUITAR BASS SECURITY SYSTEM Luggage Computer Bike COMBINATION US $13.99

Targus Defcon 1 Ultra Notebook Computer Security System never used US $7.48

Wireless USB PC Computer Security Lock Data Protection US $16.99

New AVG Internet Security 2012 Windows XP Vista 7 PC Computer Genuine Software US $48.40

Computer Security Lock Memory Lock Cable Keyed New Box US $6.50

Computer PC Security Lock New No Reserve US $8.00

COMPUTER SECURITY HELP ARTICLES VIDEOS BLOG WEBSITE BUSINESS DOMAIN FOR SALE US $24.99

GUARD ID VAULT USB COMPUTER SECURITY DEVICE US $10.99

Trend Micro Titanium Internet Security 2012 Computer protection US $20.00

Trend Micro Titanium Maximum Security 1 PC Mac Android Computer protection US $18.00

Computer Security 1990 Hardcover Revised US $1.00

Advances in COMPUTER SECURITY Research Development US $19.95

Targus Defcon1 Notebook Computer Security System US $9.99

Laptop Computer Combination Security Cable Lock Targus PA410C US $12.95

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