First time here? Read the blog post on what this is.
Use the "country" selector to change the heatmap view to only attacks/probes from that country.
"View source" to see the D3 code.
If you want a copy of the raw data, here it is.
NOTE: The 4MB file has had issues loading through some proxy servers. If that happens to you, please shoot a note to @hrbrmstr.