Steps for Recovery from Virus Infection

The elements of a disaster recovery plan that are required for recovery from a virus infection are:

• There should be security awareness program to reduce the vulnerabilities in security through educating personnel and also through promotion of good security practices.this awareness of security should be an ongoing process,
• There should be effective heads up computing attitude which has backing up of data as its major function.
• Full system restores and drive imaging and good archiving are some methods of backing up data. There should be two sets of backups for critical data –one live set and another set at an offsite location which is secure like safety-deposit box. It should be made sure that backups are rotated on a regular basis to protect from theft, fire or site-specific disasters.
• The Wizard in Windows XP is to be considered if critical data is taken as back up.
• There should be commitment from the management to the disaster recovery planning.
• There be ranking of business processes and there should be classification of data as highly confidential, confidential, internal and public.
• Minimum resources which are required should be identified.
• The user plan as well as the data center plan should be prepared.
• The prepared plan should be tested.

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Computer Virus prevention

Virus prevention

• Virus protection should be up-to-date and latest and anti-virus should be upgraded on a regular basis.
• Virus protection is to be used to automatically scan and fix an e-mail before it is opened.
• Automatic downloads should not be permitted by the antivirus installed in the system when a website is accessed.
• There should be controls which permit and allow only authorized personnel to writer or alter programs. All changes must be recorded and documented and senior manager should verify these changes.
• Programs or disks should be accepted after checking them with the latest version of anti-virus. Antivirus should automatically scan any disk inserted into the computer. If a disk is lent to any person, it should be checked before it is used again.
• Floppy disks should not be left in the disk drive for longer than necessary time,
• Demos or software with doubtful origins should never be used.
• System should not be booted with a disk in the disk drive unless it is a confirmed to be a system disk which is “Clean” and bootable.
• Delete cookie files on a regular basis or select “do not accept cookies option” in browser preferences as cookies act as agents for Trojan horse  and virus transfer.

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Potential Sources of Virus Infection

 A computer virus is a program which is of very small size with the capability of propagating from one machine to another disrupting the capability of the infected machine. There can be loss of key data and in some cases can result in system crash. There are many programs which can help in the removal of computer viruses.

 Potential sources of virus infection are:

• E-mail attachments are that most common source of virus infections.
• Viruses can infect when reading a web page. Virus can infect only when downloading a program or running it.
• Viruses also come from downloading files, images, audios and videos from sources which are unknown or through opening of email attachments which are suspicious. There would not be computer infection with downloading of files. The file can infect only when installed or opened.
• By using floppy disks containing virus.
• Programmers who create them and propagate them via internet to bigger organizations and then develop anti-virus to the virus propagated. This is generally done with a view to earn money, by selling anti-virus to the organizations.
• According to the latest report by CNN, plugging a new device to a user; computer and can cause digital infection. Companies which sell digital products at a very low price are mostly termed as source as per the report.
• Virus can be  programmed into system by a disgruntled employee
• Virus can also be programmed by “fun-loving” or irresponsible employee.

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