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 to intercept the data, they would be unable to make sense of it without the encryption key. As a result, sensitive information remains protected from prying eyes and potential threats. The combination of firewalls and encryption provides a multi-layered approach to data security, enhancing the overall protection of valuable assets. While firewalls control access to a network at the perimeter level, encryption secures data at rest and in transit, adding an extra layer of defense against unauthorized access attempts. Together, these security measures work in tandem to create a robust defense mechanism against cyber threats and attacks.- Implementing effective security measures like firewalls and encryption is essential to safeguard sensitive information. By proactively securing networks and data assets, organizations can mitigate the risks associated with unauthorized access and protect the confidentiality, integrity, and availability of their data. Ultimately, investing in robust security measures is not only a best practice but also a critical necessity in today's digital landscape.
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