Security measures like firewalls and encryption protect data from unauthorized access from "summary" of Data Communications and Networking by Behrouz A. Forouzan
Security measures such as firewalls and encryption play a crucial role in safeguarding data from unauthorized access. Firewalls serve as a barrier between a trusted internal network and untrusted external networks, effectively filtering and blocking unauthorized access attempts. By monitoring incoming and outgoing network traffic, firewalls prevent malicious actors from gaining entry into a system. Encryption, on the other hand, involves encoding data in such a way that only authorized parties possess the necessary decryption key to access and decipher the information. This process ensures that even if unauthorized individuals manage...
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