Author/Source: Edge devices are things like firewalls and routers that sit on the edge of a network and connect it to the outside world. See the full link here
Takeaway
The Cybersecurity and Infrastructure Security Agency (CISA) is telling government agencies to find and replace old or unsupported devices on their networks. These devices, like old firewalls and routers, don’t get security updates and can be easily hacked.
Technical Subject Understandability
Beginner
Analogy/Comparison
It’s like having old, rusty locks on your doors. They might seem fine, but they’re easier for burglars to break than new, strong ones.
Why It Matters
Hackers can use these old devices to get into government computer systems and steal information or cause problems. For example, hackers could access personal information or shut down important services.
Related Terms
Edge devices
Tech Teacher 
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