Security BSides Las Vegas 2025

Increasing Complexity and Frequency of Cyber Events: Trends, Costs, and Risk Mitigation Strategies
2025-08-05 , Siena

Widespread cyber events are happening more frequently. Third party risk continues to be top of mind. As cyber events growing to be more complex, and dynamic privacy regulations, how some of the cost factors have changed and ways navigate the changing risk environment.


The cyber claims and risk environment are evolving. The year 2024 was a record-breaking year for cyber events. The continued threat of ransomware events and cyber events growing complexity. Cyber risk associated with 3rd party increase in complexity and frequency. Understanding digital supply chain risk is essential to cyber risk management. This session will show attendees what some of the cost factors and ways to navigate the changing risk environment.

Marsh McLennan collects cybersecurity incidents, cybersecurity controls, claims data from thousands of organizations in its client portfolio. There are different organization-dependent factors that contribute to the severity of cyber events. These include record counts and types in possession, industry, revenue, and cyber security controls.

Wendy is from Marsh McLennan Cyber Risk Intelligence Center. She specializes in data, data analytics, risk quantification models for all aspects of cyber. She designed and created the various cyber risk models for MMC as well as consulting on cyber risk quantification for clients from various industries since 2017.

Wendy has over 30 years’ experience in the information technology industry, analytics, both in enterprise software, hardware and security. Like many others in the space, she began working in the area of cyber security more than 10 years ago to understand the financial impact of cyber breaches on businesses. Her skills in analytics and data science, combined with her understanding finance, technology and the nature of cyber breaches uniquely afford her the ability to quantify cyber risks.