Cyber security (or computer security) refers to the security applied to entire web (cyber) world, which includes everything from computers to smartphone and other automated devices with web-connectivity. The prime objective is to ensure the confidentiality of the information shared across the network. It is also applied to data monitoring in public and private computer networks including the internet to ensure information security. The cyber security enables protection from attacks such as unauthorized access, hacking, injection of codes such as virus and Trojans and other vulnerabilities. Today, due to growing industries and preference for centralization amongst the organizations; the computer based systems have become an indispensable part of the business processes. Thus, cyber security has become the most critical concern for organizations to protect their data from the fast rising incidences of cyber crimes. Cyber security systems are used in computers connected to the internal as well as external networks.
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Cyber security can be broadly segmented on the basis of technologies used to prevent cyber attacks. Various technologies to ensure cyber security include antivirus, data encryption, intrusion prevention systems, firewalls and distributed denial of service (DDoS) mitigation. Antivirus is computer software which is used to detect and remove viruses and other malwares interfacing with the systems through the internet. Data encryption is an algorithm used for the security of electronic data by encrypting the data using symmetric key. Intrusion prevention systems are network security appliances which monitor system and network activities for malwares. The intrusion prevention systems are used to identify malwares, follow its information, attempt to block the malware and report it to the system. Firewall is network security...