Skip to content
resource center
The library behind anti data exfiltration.
Reports, data sheets, guides, and definitions. The research and reference that back every decision we make.
The State Of Ransomware Report
The industry’s most-cited tracker of publicly disclosed and undisclosed ransomware attacks worldwide. The data security teams, journalists, and researchers reference regularly.
The State Of Ransomware
UPDATED QUARTERLY 
Q2 2026 attacks tracked
Undisclosed attacks
2027
Disclosed attacks
306
Only 1 in 8 attacks is ever made public.
Attacks ending in exfiltration
97%
Most active group
Qilin
AWARD-WINNING BLOG SERIES
The State Of Ransomware, published every month.
Between the quarterly reports, our award-winning monthly series tracks ransomware as it happens: a global count of both publicly disclosed attacks and the undisclosed incidents surfacing on dark web leak sites, with the sectors, countries and groups behind them.
No form, no download. Read it on the blog the day it publishes.
browse the library
Find it by format
from the blog
Latest from the blog
- Categories: Uncategorized
BlackFog’s first global Kick Off brought the team together in Arizona for strategy, connection, and unforgettable desert adventures.
- Categories: Concepts
In April 2025, Marks & Spencer was hit by a major ransomware attack that exposed how modern cyber threats truly work. A year later, it stands as a clear example of the risks posed by data exfiltration, social engineering, and third-party compromise.
- Categories: Breach, Healthcare, Ransomware
The DaVita ransomware attack exposed 2.7 million patient records. Learn what happened, what data was stolen, and how the Interlock gang pulled it off.
featured posts
BlackFog Q2 2026 Ransomware Report: Undisclosed Ransomware Attacks Surge 40% Year on Year
Learn how Studio Gang strengthened data security with BlackFog ADX Protect and ADX Vision to stop data exfiltration and reduce AI data risk.
BlackFog wins the 2026 TMC AI in Cybersecurity Innovation Award for ADX Protect, recognizing innovation in preventing data exfiltration and AI threats.
STAY AHEAD OF THE CURVE