I stopped reading after the first paragraph: > From September 2014 to June 2015 alone, it repelled more than 30 million known malicious attacks at the boundari

I stopped reading after the first paragraph: > From September 2014 to June 2015 alone, it repelled more than 30 million known malicious attacks at the boundaries of its networks. Someone told them about SSHGuard and pf, I presume?