Communications and Network Security

View our 2018 and 2019 listing of information security (infosec) / cyber security training courses, events and conferences from around the world that are associated with Communications and Network Security.

Communications security (COMSEC) ensures the security of telecommunications confidentiality and integrity – two information assurance (IA) pillars. Generally, COMSEC may refer to the security of any information that is transmitted, transferred or communicated.

There are five COMSEC security types:

  • Cryptosecurity: This encrypts data, rendering it unreadable until the data is decrypted.
  • Emission Security (EMSEC): This prevents the release or capture of emanations from equipment, such as cryptographic equipment, thereby preventing unauthorized interception.
  • Physical Security: This ensures the safety of, and prevents unauthorized access to, cryptographic information, documents and equipment.
  • Traffic-Flow Security: This hides messages and message characteristics flowing on a network.
  • Transmission Security (TRANSEC): This protects transmissions from unauthorized access, thereby preventing interruption and harm.

Network security is an over-arching term that describes that the policies and procedures implemented by a network administrator to avoid and keep track of unauthorized access, exploitation, modification, or denial of the network and network resources.

This means that a well-implemented network security blocks viruses, malware, hackers, etc. from accessing or altering secure information.

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