I recently completed a nine day backpacking trip to the Arrigetch Peaks in Gates of the Arctic National Park. It's the least visited national park in the Unites States, entirely inaccessible except by bush plane, boat, or hiking. There are no roads nor trails in the park.
Searching for incidents in XSOAR (formerly called Demisto) can be a resource-intensive process. If you're not careful when automating searching, it's easy to accidentally max out the memory on your XSOAR instance, freezing the UI until you restart it.
This is a walkthrough of Ethernaut, an Ethereum security CTF game. It's a good starting place for learning about Ethereum security. I think it's the most beginner-friendly Ethereum security CTF.
Over the past year, I built CyberQualify, a cybersecurity interview platform. It allowed companies to give online CTF-style skills assessments to cybersecurity job candidates.
In November 2020, I created RemoteCyberWork.com, a job board for remote cybersecurity jobs.
DigitalOcean Spaces is a convenient way to store files. It might be cheaper than AWS S3, depending on your use case. Luckily, the APIs are compatible, so switching is simple. I recently migrated a Rails 6 project that was using AWS S3 to DigitalOcean Spaces.