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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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- Categories: Cybersecurity
Are you aware of the difference between data protection and data security? Here's what you know to keep your data safe.
- Categories: Cybersecurity
Data privacy and security are critical topics for any business to focus on in today's environment. The rising costs of cyberattacks and other threats mean a clear strategy for safeguarding sensitive data is more important than ever before.
- Categories: Ransomware
We look at how organized cybercrime groups are formed and structured and how cybercriminals first connect online through hacking forums and dark web marketplaces, where they build reputations and specialize in roles like penetration testing, malware development, ransomware operations and money laundering. Over time, trusted partnerships and ad hoc "crews" emerge, which can formalize into defined criminal enterprises.
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BlackFog Q2 2026 Ransomware Report: Undisclosed Ransomware Attacks Surge 40% Year on Year
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