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Takeaways from Patrick Gray’s AusCERT coverage

Dave Farquhar security May 23, 2014May 21, 2014CERT, chrome, firefox, firewall, SSL, UDP

I’ve been listening to Patrick Gray’s coverage of the AusCERT security conference, and I walked away with two major takeaways, one for security professionals and one for everyone.

Everyone first: Use SSL (https) everywhere you possibly can. Generate superfluous https traffic if you can.

Network professionals: Block as much UDP at the firewall as you can.

Read on for more. Read more

Dave Farquhar

David Farquhar is a computer security professional, entrepreneur, and author. He started his career as a part-time computer technician in 1994, worked his way up to system administrator by 1997, and has specialized in vulnerability management since 2013. He invests in real estate on the side and his hobbies include O gauge trains, baseball cards, and retro computers and video games. A University of Missouri graduate, he holds CISSP and Security+ certifications. He lives in St. Louis with his family.

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Troubleshooting at all layers of the OSI model

Dave Farquhar security, War Stories April 15, 2013April 14, 2013ARP, job description, link speed, network cables, OSI, osi model, trenches, troubleshooting, UDP

I saw this phrase in a job description last week: Troubleshooting at all layers of the OSI model. That sounds a bit intimidating, right?

Maybe at first. But let’s not overcomplicate it. Once you get past the terminology, it’s a logical way to locate and fix problems. Chances are you already do most of this whether you realize it or not. I was already troubleshooting at at least four of the seven layers when I was working as a part-time desktop support technician in college in 1995.

Dave Farquhar

dfarq.homeip.net

CISSP melted my brain

Dave Farquhar security January 28, 2012December 5, 2015cissp, OSI, osi model, UDP

Five and a half hours ago, I turned in my test and departed the CISSP test site. It took me four hours to answer the nastiest 250 test questions I’ve ever seen in my life.

I felt better about it than the other guys milling around the lobby, but….

Dave Farquhar

dfarq.homeip.net