Security software vendors are finding their life extremely tough against computer attacker because they are able to find new ways to inject harmful code into computers, stealing data, running scripts from remote computers. installing Trojan and doing a number of malicious activities. Because of the fact that Malicious software writer developing a good number of virus programs making very hard for antivirus programs to detect them and remove from the computers.
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A new variant of Koobface virus that is well known for sending spam messages over the social networking websites is recently spreading spam messages over the Facebook. Expert says. Facebook users are also reported receiving spam messages such as
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It’s not a computer security expert protect your company’s network it’s the awareness regarding the online threats in your organization will protect your organization’s network. Awareness of key threats will enable you to employ practices and behaviors that limit your company’s risk. Lets have a closer look into major online threats for your business.
Spam: E-mail spam, also known as "bulk e-mail" or "junk e-mail," is a subset of spam that involves nearly identical messages sent to numerous recipients by e-mail. A common synonym for spam is unsolicited bulk e-mail (UBE). Definitions of spam usually include the aspects that email is unsolicited and sent in bulk. Opening spam E-Mails can put viruses, Warn and other malicious code into your computer system and make your computer system more vulnerable for computer attacks. vulnerabilities came form spam’s can be capable of disabling your corporate network or steal important corporate, employee data from your computer system. Distributing spam should also be a concern for you.
Sabotage by an employee: A knowledgeable employee can easily put a malicious program on your network. It then could be used to steal information that the employee could not otherwise access. No one should have sole access to any area of your network. You should keep an eye on things, too. If your antivirus software is not working properly, you may have an internal problem. Same goes for firewall failures. You should have more than one person who is familiar with the network, in addition to yourself. This is similar to accounting controls, where no one person can access the money. Two employees should be watching things. You should be watching, too.
Virus: A computer virus is a computer program that can copy itself and infect a computer without permission or knowledge of the user. viruses can be classified into four major categories File Infectors,System or boot-record infectors, Macro viruses and multi-part viruses. Viruses and worms will slow down your computer system’s performance and reduce productivity. At their worst, viruses and worms can enable hackers to steal valuable corporate, customer or employee information, increase Spam, delete files or crash your entire computer system. viruses and worms are some of the most preventable threats that your company will face. Employing simple majors prevent organizations from viruses and worms.
Phishing: Phishing is online identity theft in which confidential information is obtained from an individual. It is distinguished from offline identity theft such as card skimming and “dumpster diving,” as well as from large-scale data compromises in which information about many individuals is obtained at once. Phishers accomplish their scams in following way
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Fraudulent Emails
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Keystroke Programs
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Web Site Hijacking
Phishers can replicate your logo and other identifiable characteristics to trick consumers. Any attack using your brand can damage your corporate reputation, cost you money and drive away customers. Key steps to reduce the risk of a phishing attack include:
Source :
antiphishing.org
Many of the times we come across different terms in computer security and more home user AntiVirus and Spyware are the two most common terms, but they are and how to handle them. Let’s find out in this article.
Spyware: Spyware is software programs that show performs some operation or behaviors such as advertising, collecting personal information, or changing the configuration of your computer, generally without appropriately obtaining your consent first.
Signs of Spyware
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Advertisement pop-ups comes all the time.
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Computer settings has been changed.
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Browser install some additional extension that you never installed.
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Computer performance goes down.
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Unfamiliar websites are handling your search.
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Antispyware programs stop working and keep asking that some files are missing or your computer requires a critical update.
How to Prevent yourself from Spyware
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Use a Firewall :Spyware’s are generally bundled with some other programs after installation spyware try to access Internet or performing some other activity on your system, Firewall may block or ask user permission for all these activities. Always go for two way firewall.
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Download and Install a Good Antispyware: Download and install a good Antispyware program. Windows Vista comes with preinstalled
Windows Defender. Windows XP users can also download and install Windows Defender with free of cost.
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Downloads software’s only from trusted websites. If you find any webpage is vulnerable then instead if using mouse use ALT+F4 to close that webpage. Beware before downloading or visiting various free music and movie websites.
Virus: Virus are small computer programs that are designed to infect the computer also spread from one computer to another computer. A computer virus can delete all your computer data, use computers email program to send and receive email as well as spread the same virus. There are a number of way for a virus to come in computer system like e-mail message or instant messaging messages, e-mail attachments,attachments of funny images, greeting cards, or audio and video files.
Signs of viruses:
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Computer runs more slowly than normal.
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Computer stops responding or locks up often.
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Computer crashes and restarts every few minutes.
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Computer restarts on its own and then fails to run normally.
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Applications on computer don’t work or stop working correctly.
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Disks or disk drives are inaccessible.
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Unusual error messages are keep coming.
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Distorted menus and dialog boxes.
These are common signs of infection—but they might also indicate hardware or software problems that have nothing to do with a virus. Unless you run the Microsoft Malicious Software Removal Tool and install industry-standard, up-to-date antivirus software on your computer, there is no way to be certain if your computer is infected with a virus or not. If you don’t have current antivirus software installed or if you’re interested in installing a different brand, you can try Windows Live OneCare free for 90 days or visit our Security software downloads page for software from other companies.
How to Prevent yourself from Virus
- Use a Firewall
- Use Good AntiVirus Software program
- Regularly update computer software’s.
- Remove unwanted software’s from computer.
- Never open an e-mail attachment from someone you don’t know.
- Only download or accept programs and content (including photos, video clips, ring tones, mobile device themes, and games) from a source you trust.
This article is written after visiting Microsoft Security Website