The 2026 InsurSec Report

What the Data Says About Your Cyber Risk

Based on more than 100,000 policy years of At-Bay cyber claims data, the 2026 InsurSec Report goes beyond the headlines to reveal what actually drives the full cost of a cyber incident — and what businesses can do about it.

In this report, you’ll discover:

• Why claim frequency and severity hit all-time highs in 2025
• The most common entry vectors attackers are using now
• Why 1 in 3 ransomware victims suffered operational downtime, and how those that did saw severity triple
• How a single widely used device was associated with a 53% surge in ransomware claims
• What your vendors’ security gaps could cost your organization
• How financial fraud loss can be mitigated