BreachCensus

2015 — Year in review

Years are assigned by disclosure date, falling back to discovery, then occurrence date.

236Confirmed incidents
211Organizations affected
1Regulator actions opened

Breach Census recorded 236 confirmed incidents in 2015. That is up from 214 in 2014, a rise of 22 incidents (10.3%). Incidents are assigned to a year by disclosure date, falling back to discovery, then occurrence date, and totals for the most recent years can still grow as new sources are confirmed and published.

Retail was the most common sector, with 4 of the 7 incidents that had a sector assigned. The most common attack type among incidents with one recorded was Malware Deployment, in 5 incidents.

The most-reported jurisdictions were US-CA (206), US-WI (16), and US-WA (14).

By sector

SectorConfirmed incidents
Unclassified229
Retail4
Healthcare1
Pharma1
Professional Services1

Top jurisdictions

JurisdictionConfirmed incidents
US-CA206
US-WI16
US-WA14

Questions and answers

How many confirmed data breaches were disclosed in 2015?

Breach Census recorded 236 confirmed data breach incidents for 2015, assigned by disclosure date, falling back to discovery, then occurrence date.

Which sector reported the most breaches in 2015?

Retail reported the most confirmed breaches in 2015, with 4 of the 7 incidents that had a sector assigned.