
Andrew Hay Blog
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Andrew Hay is an information security industry veteran with close to 20 years of experience as a security practitioner, industry analyst, and executive.
Andrew Hay Blog
3M ago
As we approach 2025, the ever-evolving landscape of cybersecurity continues to challenge professionals and organizations alike. Based on observed trends and emerging technologies, here are my predictions for the coming year ..read more
Andrew Hay Blog
4y ago
Hey All,
Long time no blog. During a recent OSINT investigation, I found that I needed to pull all domains found from my query on crt.sh. The problem I had, however, was that the results weren’t all that usable without a lot of copying, pasting, and cleaning.
To address this problem, and to save time in the future, I created a Jupyter Notebook to programmatically query the crt.sh website, dump the results into a pandas data frame (thinking that I’ll want to further enrich the data at a later date), and then printing out the unique list of results to the screen.
The code is written in Python 3 ..read more
Andrew Hay Blog
5y ago
According to the National Oceanic and Atmospheric Administration (NOAA), a tornado (also called a twister, whirlwind, or cyclone) is a violently rotating column of air that extends from a thunderstorm and comes into contact with the ground. Tornado intensity is measured by the enhanced Fujita (EF) scale from 0 through 5, based on the amount and type of wind damage to a wide variety of structures ranging from trees to shopping malls.
The United States experiences more tornadoes than any other country in the world, especially in those states East of the Rocky Mountains. As a child, I always f ..read more