Introduction to Cybersecurity
Cybersecurity refers to the practice of protecting electronic devices, networks, and sensitive information from unauthorized access, theft, and damage. It involves a range of technologies, processes, and practices that are designed to safeguard digital assets against a variety of cyber threats. Cybersecurity is important for individuals, businesses, and governments alike, as cyber attacks can result in significant financial losses, reputational damage, and even national security risks.
One of the key components of cybersecurity is confidentiality, which involves ensuring that sensitive information is kept secret and only accessible to authorized personnel. This can be achieved through the use of encryption, which involves converting information into a code that can only be deciphered by those who have the correct decryption key. Another important aspect of cybersecurity is integrity, which involves protecting data from unauthorized modification or deletion. This can be achieved through the use of digital signatures, which provide a way to verify that data has not been tampered with.
Cybersecurity also involves ensuring the availability of digital assets, which means ensuring that electronic devices and networks are functioning properly and are accessible to authorized users. This can be achieved through the use of redundancy, which involves having backup systems and data storage to prevent data loss in the event of a cyber attack or system failure. Additionally, cybersecurity involves ensuring the authenticity of digital assets, which means verifying that electronic devices, networks, and data are legitimate and have not been tampered with.
Examples of cyber threats include:
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