Corvus Insights Blog

Our thoughts on cyber risk, underwriting, data science, and insurance.

Q4 Ransomware Report: 2023 Ends as a Record-Breaking Year

In this report, we will highlight some more of our findings from Q4 2023 and also look at trends across 2023.

Another Record-Breaking Month for Ransomware: November Up 110% YoY

Yet another record-shattering month for the number of ransomware victims on leak sites. Here’s what you need to know.

Black Basta Ransomware Has Extracted Over $100 Million From Victims

Joint research by Elliptic and Corvus Insurance has identified at least $107 million in Bitcoin ransom payments to the Black Basta ransomware group.

Key Ransomware Indicator Up 56% Year-on-Year: October Data

In October 2023 attacks fell by 15.12% from the prior month, but remained high from a year-on-year perspective with a 54.67% increase over October 2022.

Q3 Ransomware Report: Global Ransomware Attacks Up Over 95% in 2022

Global ransomware frequency continues to climb. Corvus observed an 11.22% QoQ increase in Q3 and a 95.41% increase YoY on leak sites.

While Leaves Fall, Ransomware Rises: Attacks Are Up 5.1% in September

Threat actors are starting Fall off by increasing ransomware numbers. Here’s what you need to know.

August Ransomware Recap: Sixth Month in a Row with YoY Increase

It didn’t feel like it, but some ransomware groups took a summer break. Here’s what you need to know.

Ransomware Groups Want to Exploit Your File Transfer Software: Here’s What You Need to Know

Now that the dust has settled on CL0P’s second big zero-day exploit this year, let's reflect on what happened and plan for similar attacks in the future.

Record Ransomware Attacks: 6 Month Upward Trend Continues in July

The only thing hotter than the temperatures outside this summer? Ransomware. Here’s what you need to know.