Anybody passed GIAC exams without training?

Hello,

I've recently got the CISSP certification and have 6+ years of working experience in the ICS domain. I'm currently shifting into the cybersecurity space. With regards to CISSP, most of my work related to Domains 4, 5 and 8 to satisfy my 5 years of work experience. I now have a job in IA sector with a heavy emphasis on ICS but need to go get some training requested. I have a couple of options with CEH, OSCP, CISA …

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