HackNotice Breach Sources Study
Data breach study: three years, over 65,000 data breaches analyzed with trends and predictions

We have categorized three years’ worth of data breach coverage based on the sources that originally reported the breaches.
We have five main categories:
Leak report
(60% of breach disclosures)
A file containing data coming from a breached company, as claimed by hackers
News
(22.51% of breach disclosures)
A data breach first being reported on by online news outlets
Official
(2.5% of breach disclosures)
A data breach disclosed to official sources and disclosed, such as state level DOJ websites and HHS
Defacement
(1% of breach disclosures)
A website breached by a hacker, with the hacker changing the site’s content as proof
Ransomware
(13.26% of breach disclosures)
A company breached by a ransomware gang, infected with ransomware, with data being disclosed due to the company refusing to pay the ransom

Data breaches will continue. Sources for notifications will decrease.