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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: Privacy, Ransomware
Petya On the heels of the recent WannaCry attack, Europe has been hit with a new ransomware variant known as Petya. Ukraine reported ransom demands ⟶
- Categories: Breach, Medical, Privacy, Ransomware
Ransomware continues to escalate globally and targets more and more essential services. This particular attack has been devastating for the UK, knocking out patient records and rendering hospitals completely at its mercy. With no ability to access patient records and essential data patients are being turned away on a large scale.
- Categories: Press Release, Privacy
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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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