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Ben Goerz Profile picture
Ben Goerz
@bengoerz
Security Janitor. Comments are my own. #FSD
Oct 4, 2021 • 5 tweets • 2 min read
This DNS outage goes far beyond just Facebook. From my home internet, I'm getting dropped or inconsistent DNS responses for a variety of sites. If your normal DNS resolvers are failing, here are some alternatives:
Google (8.8.8.8, 8.8.4.4)
Cloudflare (1.1.1.1)
Comodo (8.26.56.26)
OpenDNS (208.67.222.222)
Quad9 (9.9.9.9)
Verisign (64.6.65.6)
Aug 25, 2019 • 6 tweets • 2 min read
This was a fav session from #S4x19. I think @stvemillertime made several GREAT points about why IT Security techniques are important when defending OT environments. 1/n 9:48-10:22: If you want to detect an ICS attack as far left of boom as possible, you should look for the IT attack first. (Looking for the OT attack is dangerously late-stage.) 2/n