What are currently the most significant threats to the US critical communications infrastructure?
It depends on what one defines as critical communications infrastructure. Certainly this should include:
- Radio (RF) communications for law enforcement and public safety
- Telecommunications (cellular and landline telephone communications)
- Internet communications
Again with Internet communications – similar results can be attained by employing easily executed denial-of-service (DOS) attacks. All of the modes of communication are implicitly vulnerable to DOS attacks. DOS attacks are easily mitigated by detecting the source of the attack and dealing with the cause at the originating location. Distributed denial of service attacks (DDOS) are much more difficult to mitigate as they occur from many locations and may even change locations as time progresses. Additionally, if you were to render a Venn-diagram of these three mediums, it shows that there are overlaps which could exacerbate effects in any one of the mediums.
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