Recently, I am seeing a lot of identical failed login attempts against my mail server. Just today, about 130,000 of them. The vast majority (124k+) come from one subnet: 31.130.184.0/24
Article Link: InfoSec Handlers Diary Blog
Recently, I am seeing a lot of identical failed login attempts against my mail server. Just today, about 130,000 of them. The vast majority (124k+) come from one subnet: 31.130.184.0/24
Article Link: InfoSec Handlers Diary Blog