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Whenever we talk about computer systems the very first concern is the issues related to its security. Security refers to as the maintenance of the acceptable risk. The risk is the result of accumulation of threats and weaknesses of the consequences.There is no any absolute security means the system is never fully secured.Computer security refers to the preservation and protection of data in computer systems.Security is usually divided into safety resources, network security, security location and the security services.
Computer security refers to the protection of computer systems and the information a user stores or processes.
To improve security of information systems mostly used these six categories of security measures which includes: general security policies and procedures, software, virus protection, digital signatures, encryption, firewalls and proxy servers.
There are some mst common steps that are involved in the attacks such as: testing and Assessment, exploitation and penetration, increased privileges, maintenance of access, refusal of services.
Security is generally based on the four basic steps as follows:
The basic elements of security in the computer systems is concerned with these principles which makes it great i.e. Confidentiality, Integrity, Availability, Authenticity, Non-repudiation.The essential terminologies under computer secutity are Threat,Exploit, Vulnerability, Cracker,Attacker or Intruder, Attack, Data Theft.
Computer security prevents and detects unauthorized access to a computer system. It protects data saved in a system thus ensures data integrity and quality. It is a process of safeguarding against hackers, malicious programs intruders from using your computer resources for any unethical usage. It is a branch of Information Security. It involves various security measures viz. anti-virus suites, Java scripts software programs and firewalls. Computer security defines following listed major concepts:
Integrity: it involves authorized users to modify the data.
Authentication: it defines right communication to identify authenticity.
Confidentiality: it involves only authorized users to access the data resources and information.
Availability: it ensures data should be available to users when needed.
Computer security is an important need of IT industry nowadays. To prevent financial challenges, data theft etc. in big organizations, computer security must be provided. It supports critical business processes to go smoothly and thus protects all personal and sensitive information. Computer security ensures safety for emails, Web services, and FTP. Computer security providers use logging tools that record port scans, fingerprinting and failed login attempts. Intrusion Detection System is a great example of computer security tool which detects intrusions that are unable to prevent. Logfiles are also needed to determine which machines appear to be probing the system.
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Topics for Computer Security Assignment help :
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Complex topics covered by Computer Security Assignment online experts :
- Secrecy, Privacy, Integrity, Authenticity, Security policy, Vulnerabilities , attacks, Viruses &worms, Firewalls, IPsec , IKE, SSL, Wireless LAN security
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- Honeypots, network surveillance, FireEye approach, Unwanted traffic:Denial of service attack
computer security vulnerabilities
secure computer systems
Few Topics are:
- critical systems.
- applied cryptography.
- software vulnerability analysis and defense
- networking and wireless security,
- applied cryptography.