---
title: "Ransomware in 2021: 31 Leak Sites, 2,600 Victims"
description: What are the most active ransomware groups in 2021? This webinar will review observed ransomware attacks and how security teams can fortify their defenses.
---

[Resources | SecureWorld ](https://www.secureworld.io/resources)

# [Ransomware in 2021: 31 Leak Sites, 2,600 Victims](https://www.secureworld.io/resources/ransomware-2021-leak-victims)

 Written by [SecureWorld News Team](https://www.secureworld.io/resources/author/secureworld-news-team) | 7 PM Z

Digital Shadows reviews and expands on observed ransomware attacks and how security teams can fortify their defenses. During this presentation, we will explore: 

• 2021 ransomware group activity, with a quarterly increase of 47%

• The most active ransomware groups during 2021

• The disappearance of REvil, and emergence of new variants

• Methods for identifying ransomware-related risks

Attendees are eligible to receive 1 CPE credit.

[View full post](https://www.secureworld.io/resources/ransomware-2021-leak-victims)

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