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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.
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Latest from the blog
- Categories: Cybersecurity, Data Exfiltration
Cybercriminals continue to find ways around web application firewalls, but there are better options for preventing attacks such as data exfiltration prevention.
- Categories: Cybersecurity
With a significant increase in value of cryptocurrencies over the past year, 2021 is on pace to exceed 2018 as the “year of cryptojacking”. Cryptojacking experts are seeing steady upward momentum every year, along with new threats and risks.
- Categories: Case Study
Bergquist was able to thwart cyber attacks with BlackFog's data exfiltration technology which identified ransomware on devices in the first few days.
featured posts
BlackFog wins the 2026 TMC AI in Cybersecurity Innovation Award for ADX Protect, recognizing innovation in preventing data exfiltration and AI threats.
BlackFog Q2 2026 Ransomware Report: Undisclosed Ransomware Attacks Surge 40% Year on Year
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