In times of war, the use of a nuclear electromagnetic pulse (EMP) weapon is considered to be in the same category as nuclear attacks. These weapons have the potential to destroy the electronics of an entire region, which, in the modern information age, would practically mean the end of life as we know it. In addition to nuclear EMPs, military engineers and researchers have been studying ways to create non-nuclear EMPs since their inception. For example, an aircraft's navigation attack radar could be disrupted, mission computers could fail, digital engine control computers could fail, and communication equipment and electronic flight controls could be rendered useless, making the aircraft vulnerable to attacks by defense fighters or conventional missiles.
This means that while a connected device can be protected from electromagnetic attack using a Faraday cage, it would only work on the local network located inside the Faraday cage. Because EMP weapons cause no harm to a nation's population or visible property, the attack can go unnoticed by the world. Reinforcing equipment could create a certain degree of security, but it would be impossible to create a reliable defense in every way against an EMP attack. Most likely, this type of weapon will affect a relatively small area, none of the order of a nuclear attack with EMP, but it could cause serious damage.
The threat of electromagnetic attack weapons is real and should not be taken lightly. It is important to understand that these weapons can cause significant damage to electronic devices and networks. To protect your devices from such attacks, you should consider investing in a Faraday cage or other shielding technology. Additionally, you should ensure that your devices are regularly updated with the latest security patches and that your networks are properly secured with firewalls and other security measures.
By taking these steps, you can help protect your devices from electromagnetic attack weapons.