Security measures mean the precautionary measures taken toward
possible danger or damage. There are 6 type of security
measures.
Data Backup is a duplicate of a file, program or disk that can be used if the original is lost, damaged or destroyed.Thus, to back up a file means to make a copy of it.
In the case of system failure or the discovery of corrupted files, you restore the files by copying the backed up files to their original location on the computer.
Cryptography is a process of hiding information by altering the actual information into different representation.
Almost all cryptosystems depend on a key such as a password like the numbers or a phrase that can be used to encrypt or decrypt a message.
The traditional type of cryptosystem used on a computer network is called a symmetric secret key system.
An antivirus program protects a computer against viruses by identifying and removing any computer viruses found in the computer memory, on storage media or incoming e-mail files.
An antivirus program scans for programs that attempt to modify the boot program, the operating system and other programs that normally are read from but not modified.
One technique that antivirus programs use to identify a virus is to look for virus signatures.A virus signatures, also called a virus definition, is a known specific pattern of virus code.
Example of antivirus programs :
Spyware is a program placed on a computer without the user’s knowledge. It secretly collects information about the user.
The spyware program communicates information to the outside source.
An anti-spyware application program sometime called tracking software or a spybot is used to remove spyware.
Among of the popular anti-spyware programs are:
• Spybot Search and Destroy
• Ad-aware
• Spyware Blaster
Firewall is a piece of hardware or software that protects a network's resources from intrusion by users on another network such as Internet.
Firewall implement a security policy. It might permit limited access from in or outside the network perimeters or from certain user or for certain activities.
Examples of stand alone personal firewall software :
It is one of the hardest aspects to give protection to.
The most common problem is the lack of achieving a good information security procedure
source:
1) DATA BACKUP
Data Backup is a duplicate of a file, program or disk that can be used if the original is lost, damaged or destroyed.Thus, to back up a file means to make a copy of it.
In the case of system failure or the discovery of corrupted files, you restore the files by copying the backed up files to their original location on the computer.
2) CRYPTOGRAPHY
Cryptography is a process of hiding information by altering the actual information into different representation.
Almost all cryptosystems depend on a key such as a password like the numbers or a phrase that can be used to encrypt or decrypt a message.
The traditional type of cryptosystem used on a computer network is called a symmetric secret key system.
3) ANTIVIRUS
An antivirus program protects a computer against viruses by identifying and removing any computer viruses found in the computer memory, on storage media or incoming e-mail files.
An antivirus program scans for programs that attempt to modify the boot program, the operating system and other programs that normally are read from but not modified.
One technique that antivirus programs use to identify a virus is to look for virus signatures.A virus signatures, also called a virus definition, is a known specific pattern of virus code.
Example of antivirus programs :
- AVG Anti-Virus
- avast! antivirus
- CA Anti-Virus
- F-Secure
- Kaspersky Anti-Virus
4) ANTI-SPYWARE
Spyware is a program placed on a computer without the user’s knowledge. It secretly collects information about the user.
The spyware program communicates information to the outside source.
An anti-spyware application program sometime called tracking software or a spybot is used to remove spyware.
Among of the popular anti-spyware programs are:
• Spybot Search and Destroy
• Ad-aware
• Spyware Blaster
5) FIREWALL
Firewall is a piece of hardware or software that protects a network's resources from intrusion by users on another network such as Internet.
Firewall implement a security policy. It might permit limited access from in or outside the network perimeters or from certain user or for certain activities.
Examples of stand alone personal firewall software :
- BitDefender Internet Security
- CA Personal Firewall
- McAfee Internet Security
6) HUMAN ASPECTS OF SECURITY MEASURES
Human aspects refer to the user and also the intruder of a computer system.It is one of the hardest aspects to give protection to.
The most common problem is the lack of achieving a good information security procedure
source:
- http://myictdotnet.blogspot.com/2009/01/l18-security-measures.html
- Discovering Computers 2011Complete : Living Digital World - SHELLY CASHMAN-
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