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Welcome to the Zero Hour Podcast hosted by Karl Sharman and Karla Reffold, sponsored by Cyber Security Professionals. The podcast that speaks to the best talent in the cybersecurity industry. Each episode provides insights, techniques and tools required to be successful in the cybersecurity space. This podcast is now available on Stitcher, ITunes, SoundCloud and Spotify. Please follow our content at: Instagram: @zerohourexperience Twitter: @zero_hourpod Music by: Clark Henry-Brown
Based on 6 episodes we listened to · September 2026
Zero Hour Podcast makes cybersecurity leadership legible by connecting technical controls with hiring, culture, customer relationships, and board-level risk.
Zero Hour Podcast keeps cybersecurity close to the organizations responsible for making it work. Through guest interviews, Karla Reffold and Karl Sharman ask how security teams are built, how leaders communicate risk, and how vendors earn a place inside a customer's operation.
In breach response, the insurer may help decide who gets the call; you want the seating chart.
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Short reviews from the PlayNext desk, based on the episodes we processed.
A steady executive view of cybersecurity leadership under pressure.
The episode presents Sandro Buccaneri as a seasoned security executive with global experience and more than two decades in cybersecurity. His path from Cape Town through Hong Kong, the US, London, the UAE, and back to South Africa in 2017 gives the conversation a wide executive…
A clear look at how cyber insurance shapes who gets the work in incident response.
Daniel Woods takes over from Cole Sharman and uses the change in voice to dig into the cyber insurance market and, more importantly, the incident response world around it.
A practical security transformation story that connects testing with board-facing risk language.
Zero Hour is a practical story about security change, centered on David Edwards and Coventry Building Society. It works best when it stays grounded in how information security was built over time, rather than presented as a slogan.
A grounded security conversation about people, entitlement, and the risks hiding in ordinary work habits.
Workplace security comes through here as a people problem first and a software problem second. Ran Pugach and Carla Reffold focus on insider risk, employee entitlement, remote work exposure, and the need for companies to be clear about what people can and cannot do with work…
A grounded discussion of board-ready cyber visibility and the post-Covid reporting gap.
Zero Hour Podcast presents CyberLuminaire through a practical visibility challenge for security operations and management teams. Brendan Coates, CEO of CyberLuminaire, traces a path from South Africa through university, vendor certifications, and wider security work, with the…
A chemistry graduate shows how cyber awareness becomes a workplace habit.
Michael McGinnis's move from chemistry at Durham University to Senior Cybersecurity Specialist at the Cooperative Bank gives this Zero Hour episode a useful, human route into cybersecurity.
A grounded cybersecurity conversation about growing talent through care, visibility, and accountability.
Cybersecurity leadership is treated here as a practical team problem, not a slogan. The conversation follows the guest from a hacking background into the habits that make security work better: visibility, care, accountability, attention to root causes, and a belief that people…
A security leader connects company culture to everyday decisions that include employees' lives beyond work.
Zero Hour frames Lior Arbel's approach to cybersecurity leadership as something built in everyday habits, not slogans. As Performenter's Group General Manager for Europe and North America and Chief Strategy and Innovation Officer, he looks back on a path through IBM, Port…
Technology's mechanisms, power's consequences.
Dave, Joe, and Maria break down phishing kits, deepfakes, and social-engineering scams weekly.
Your coffee maker is a hacker's gateway into your home.
Zero Hour Podcast interviews Sandro Bucchianeri, Absa Group's group CSO in Africa, about cybersecurity leadership, workforce development, and collaboration.
Daniel Woods and Cole Sharman use Zero Hour Podcast to map the cyber insurance and incident response ecosystem, including who picks law firms and IR vendors.
Carla Reffold interviews David Edwards, Head of Information Security at Coventry Building Society, about the team that won best financial services team at the Cybersecurity Awards.
Zero Hour Podcast host Carla Reffold interviews Ran Pugach, Ava Security's Chief Products and Development Officer, about insider threat detection, AvaVideo, and security behavior change.
Brendan Coates warns that “if it’s smart, it’s vulnerable” and machine learning cannot replace human judgment.
Michael McGinnis explains how a Durham University chemistry degree and an internship at JP Morgan led him into cybersecurity at the Cooperative Bank.
Greg Van Der Gaast argues that cybersecurity teams keep repairing downstream damage instead of addressing upstream causes, using a factory that drops smashed cars from its third floor.
Lior Arbel traces a cybersecurity career from IBM and Port Authority Technologies to Performanta's European and North American leadership team.