The movie The Matrix depicts an electromagnetic pulse (EMP) attack, but not even this fantastical Hollywood movie captures the realistic damage such an attack would have on the nation’s computer systems. An EMP is a quick, powerful blast of electromagnetic energy that ranges across a significant portion of the electromagnetic spectrum. Another misconception that movies like The Matrix propagate is the reality of the damage caused by an EMP.
The reality is that the majority of civilian computer systems, which operate a significant amount of the nation’s critical infrastructure, are largely unprotected.
If such a large-scale attack happened, it is estimated that within 12 months of a nationwide blackout, up to 90 percent of the U.S.

It is important for cybersecurity professionals to understand the causes and characteristics of EMP and how a directed burst of high energy can damage today’s vulnerable computer systems and electrical systems. APUS, attacks, computer systems, critical infrastructure, cyber-security, cybersecurity, defense, degrees in cybersecurity, Dr. One popular way to protect a system is by using a faraday cage, which is an enclosure that routes energy around sensitive circuitry. If a large electric transformer was hit by an EMP it would have to be replaced with new equipment.
However, a faraday cage must be constructed very precisely—even the smallest hole will allow energy to damage computer components.

Undamaged equipment would only be found beyond the zone of the EMP, which could be far away.

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