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Slopes to Circuits

Greg Day , CSO, EMEA

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My First Computer

I started dabbling in the computer world because my father used to run a distribution one of the main mainframe companies at the time. When I was about 10 years old, he brought home a ZX81 Computer, which was one of the very first home computers, it had 1K of RAM. At the time, I wasn’t really into gaming, I was more interested to understand how those games functioned, as such it introduced me to coding, at that time in BASIC.

From Slopes to Circuits

Believe it or not, my career in cybersecurity started with skiing. By the time I was 13 I was skiing for the regional squad, and by the time I was about 17, I was skiing on the national team. Of course, skiing isn’t free, and during the summer months I worked to fund the winter ski racing season. I got work at one of the main anti-virus firms in Europe at that time. It was my first job at cybersecurity organization. During school you did a work placement, I did mine as a car mechanic, because as a boy, and still today, I love cars! However, I quickly realized working on cars was rubbish; It’s oily and not fun. My summer job helped me realize the potential of the technology world. My brain is logic bias, so I wanted to understand how computers functioned, how anti-virus software worked, and of course how cyberattacks worked. After a year out skiing and working, the company owners challenged me to pursue a degree in computer science, I challenged them to support me on the endeavor, and that’s how I ended up writing my own behavioral anti-virus tool, as my dissertation for my degree in computer science.

Working in Technology

What I love about my work in cybersecurity is that every day is a different day, and that’s still true every day I go in. It doesn’t matter what job you do in cybersecurity, research, support, consulting, or something else, you will find a large variety in your day-to-day tasks that is impossible to predict, and your job will never be boring and monotonous.

Take consulting or advisory work as an example which I have done as the Chief Technology and Chief Security Officer, you think you’re going to come in for the day and do a list of tasks, but all too often something occurs, a major threat outbreak, a large breach, new regulations come into effect. On those days, I would often get redirected to meet with government agencies, clients and then talk to the media about these events. For me, jobs in cybersecurity hit that key factor – variety. I’m not the type of person who can come into work and repeat the same tasks over and over. I need variety in my job; variety is the spice of life.

Why Palo Alto Networks?

I’ve been working in the cybersecurity industry for over twenty years, in a couple different companies with a variety of products. I’ve always known about Palo Alto Networks, I watched the start of the company from an outside perspective and I had friends who went to work there and had great careers. I was three weeks into working for a startup when I was approached by Palo Alto Networks about a job opening. The timing was wrong. I would have loved to go work there but it just wasn’t the right time. Fast-forward to after the company I was working for went public – the company started going in a different direction and I reached out to my original contact from Palo Alto Networks and told him now was the right time and I wanted to work for Palo Alto Networks. He said it was unusual to have someone cold call him back. I had to sell myself to him as a candidate and the rest is history. There are a lot of players in the technology and cybersecurity market, but I wanted an organization that truly has a world class vision and strategy, where I could be passionate in where they are going.

Companies change, and move, and that’s necessary. But I have left organizations when I didn’t agree with where they are going. I really hold on to that belief that I am going to make a difference in the world. One of the questions I always ask myself is when I retire from cybersecurity, what do I want to be remembered for? How have I changed the industry? It’s a Goliath kind of ask, especially in such a big industry. But I think it’s important for all of us to have the ability to shape our own little corner of this industry. That starts with working somewhere that has a desire to shape and change the world as a company.

Disrupting and Shaping an Industry

Working in cybersecurity, we have the opportunity and responsibility to make a real impact. I’ve always worked closely with law enforcement agencies and sat UK law enforcement and now today the Europol industry advisory board to help shape how our society and communities interact with and utilize cybersecurity measures. It started when I use to run cyber forensics training for law enforcement staff and evolved from there. But it’s more than focusing on the “today”. It’s always important to shape the industry by involving the next generation, too. I’m proud to work for a company that recognizes this and is involved with organizations like Girl Scouts and with academic programs. Cybersecurity is a skill, that in a very digital world, everyone should learn, starting at school. It’s probably not a surprise my own children do well in their school cybersecurity test. By my believe is every child and adult should be as well prepared.

Cybersecurity is global impact. It’s an evolving threat to our lives. With that responsibility comes innovative thinking – sharing information like few industries have before. It’s why the Cyber Threat Alliance was established: to shift an industry, that our organization co-founded. I’m always impressed by their ability to collaborate with other companies for all of our mutual advantage. It takes a savvy executive team to recognize that. We also helped instigate the cybersecurity moonshot program, which has the goal of working with the government make the internet safe in 10 years. Closer to all our homes we have the Cybersecurity Cannon, which is dedicated to recognizing written works that are critical to the cybersecurity world and its future be that for hobbyists or executives.

Advice for Hacking into the Industry

Finding your career path can be difficult, but the most important thing is to be passionate about whatever you do. When you find a passion in life, it drives you through the good and the bad aspects of your career and everything in between. If you are passionate about a topic, you will read forums, you’ll watch the news about it you’ll have a drive and hunger for it, and you’ll continuously work towards understanding how something works. My passion for cybersecurity has shaped my career, just as my career has shaped a small portion of the industry.


Greg Day CSO, EMEA

My First Computer I started dabbling in the computer world because my father used to run a distribution one of the main mainframe companies at the time. When I was about 10 years old, he brought home a ZX81 Computer, which was one of the very first home computers, it had 1K of RAM.

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