Computer security is a branch of technology known as information security as applied to computers. The objective of computer security varies and can include protection of information from theft or corruption, or the preservation of availability, as defined in the security policy.
Security Tools: These are programs which facilitate security for computers by checking and monitoring incoming/ outgoing network traffic and data. Today, anything transferred as data through network or any other media can be harmful unless they are checked by security tools. Security tools can also help in securing remote logons. Some of the commonly used security tools are:
SSH: A secure way to access remote computers.
SSH (Secure Shell) is the now ubiquitous program for logging into or executing commands on a remote machine. It provides secure encrypted communications between two untrusted hosts over an insecure network, replacing the hideously insecure telnet/rlogin/rsh alternatives. Most UNIX users run the open source OpenSSH server and client. Windows users often prefer the free PuTTY client, which is also available for many mobile devices.Dozens of other free and proprietary clients exist.
Firewalls:
Antivirus: It is a software which can scan all incoming and outgoing data from the System and they should be regularly updated so that they can deal with latest threats. Some anti-viruses have built in firewalls, which can secure the system.
Example: MacAfe ,Norton, N32 etc.,
Security Innovation focuses on the most difficult problems of IT security - those at the application layer. Exploitability of applications due to poor design has reached epidemic levels and perimeter/network defenses are not enough to protect your business.
- Use of biometric devices and neural networks.
- Increased ciphering-
- Improving Antivirus techniques.
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