Bsides Exeter 2026

Quantify to Defend: Quantifying Risk to Drive Proactive Security Decisions
2026-04-25 , Auditorium

Proactive cyber defence relies on knowing where to act first - yet many security teams still depend on qualitative risk ratings that offer limited insight into likely loss, control effectiveness, or defensive impact.

The session explores how cyber risk quantification enables a more proactive, intelligent-led approach to defence. By expressing cyber risk in measuravble terms, practitioners can anticipate where attacks are most likely to cause harm, focus defensive effort where it matters most, and justify security improvements before incidents occur. The talk positions cyber risk quantification as a practical decision-support capability that strengthens prevention, resilience, and preparedness.


By the end of this session, attendees will be able to:

  1. Explain how cyber risk quantification supports proactive cyber defence

  2. Identify high-impact threat scenarios relevant to your business

  3. Prioritise defensive controls based on measurable risk reduction


URL:

https://www.linkedin.com/in/lauriegibbett/

Technical Level: 2 - Need some foundational knowledge into Cyber Security Organisation or Affiliation?:

Eraneos UK Ltd

Laurie is a security strategy and risk practitioner who's work centres on ensuring cyber risk is relevant, proportionate, and clearly linked to organisational objectives, decision-making and value protection.

Creative by nature, Laurie brings visual thinking and clarity to complex security problems. She has a strong eye for detail but consistently focuses on the bigger picture, distilling key messages that resonate with both technical and non-technical stakeholders. She specialises in assessing cyber risk exposure in financial and operating terms, helping organisation prioritise defensive investments that genuinely reduce risk to the business.

Outside of work, Laurie lives on the North Devon coast and is a keen rower, so enjoys the balance that coastal life has to bring alongside working in the fast-paced industry of cyber.
As a UK STEM Ambassador. she dedicates time to support outreach activities and mentoring students who are considering careers in cyber security, helping to build the next generation of cyber professionals.