Page 6 - BLI Annual Report 2015
P. 6

BREACH LEVEL INDEX
LEADING SOURCES OF DATA BREACHES
Who’s responsible for attacks?
As in previous periods, malicious outsiders were the biggest source of data breaches in the  rst half of 2016. They were the cause of 668 breaches, or 69% of the total.
That compares
with 474 attacks during the previous six months, a rise of 41%.
The share of attacks attributed to outsiders has climbed steadily since the  rst half of 2013, when it was 52%. The breaches by malicious outsiders resulted in theft or loss of some 261 million
data records, or 47% of the total. That’s up 23% from 96.5 million in the previous six months.
Next on the list of most common sources was accidental loss, which accounted for 178 data breaches (18% of the total). This was a 14% decline from the 208 breaches during the previous six months. Accidental loss involved 257 million data records (46% of the total), up from 231 million in the previous six months.
Malicious insiders were the next most common source of breaches, accounting for 83 (8.5%). That’s down from 126 during the previous
six months and accounted for 13.5 million data records. The records impacted was a 79% drop from the 62.8 million in the earlier period.
Hacktivists were responsible for
29 data breaches (3%), vs. 18 during the previous six months. That was an increase of 61%, and involved 11.4 million records, a signi cant drop from the previous 30 million.
Finally, state-sponsored attacks accounted for 14 of the data breaches (1.4%), down from 16 over the previous six months. These attacks led to the loss or theft of
10 million data records, up from 4 million in the prior six months.
NUMBER OF BREACH INCIDENTS BY SOURCE
STATE SPONSORED
MALICIOUS OUTSIDER
14 INCIDENTS (1%)
668 INCIDENTS (69%)
HACKTIVIST
29 INCIDENTS (3%)
MALICIOUS INSIDER
83 INCIDENTS (9%)
ACCIDENTAL LOSS
974 TOTAL BREACHES
2 UNKNOWN INCIDENTS
Source: BREACHLEVELINDEX.COM January 2016 to June 2016
178 INCIDENTS (18%)
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