Holly Grace Williams
[ Penetration Tester and Technical Lead ]

Holly Grace Williams

Holly Grace Williams is the Managing Director at Akimbo Core, a cybersecurity firm based in the UK. She has been working in cybersecurity since 2007, with a focus on penetration testing, training, and cybersecurity consultancy.

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Holly Grace is a CREST Fellow with an MSc in Information Security from Cardiff University. She has performed a significant number of penetration testing engagements for a wide range of companies from innovative start-ups to multinational corporations, in fields ranging from e-commerce to banking.

Her expertise spans various areas of cybersecurity, such as web application security, infrastructure security, and cloud security.

Holly is also an influential public speaker and media commentator, having appeared on platforms like Sky News and BBC, and she frequently speaks at cybersecurity conferences.

[ Recognition ]
  • CREST Fellow, 2023
  • SC Awards Europe, Women of Influence, 2019 and 2021
  • Security Woman of the Year, Computing Security Excellence Awards, 2018
[ Recent talks ]
  • Ten Years of Penetration Testing, BSides Belfast, 2025
  • Keynote, BSides Lancashire, 2024
  • Red Team Keynote, BSides Leeds, 2023
  • Keynote and hacking workshops, BSides Lancashire, 2023

Holly Grace has appeared as a commentator on Sky News and BBC Breakfast, and has spoken at a large number of conferences, including Infosecurity Europe and Tech Manchester.

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