918 cyberattacks so far this year: 6 things to know

There were 918 data breach incidents across the world in the first half of 2017, representing a 13 percent increase from the last six months of 2016, according to the Breach Level Index.

For the report, global digital security firm Gemalto analyzed data breach information from public sources.

Here are six things to know.

1. There were 1.9 billion records were breached in the first half of 2017, up 164 percent from the last six months of 2016.

2. Healthcare experienced the most breaches (228), followed by financial services (125) and education (118)

3. Twenty-two breaches involved more than 1 million compromised, stolen or lost records. Here are the report's top five data breaches:

  • Portland, Ore.-based River City Media: 1.34 billion email accounts
  • Motor Vehicles Department in Kerala, India: 200 million vehicle registration details
  • Deep Root Analytics/Republican National Committee: 198 million U.S. voters' personal data
  • U.K.-based National Health Service: 26 million patients' medical records
  • Restaurant app Zomato: 17 million users' account information

4. A majority (74 percent) of incidents involved malicious outsiders, compared to 18 percent that were accidental loss and 8 percent malicious insider.

5. Identity theft accounted for 75 percent of data breaches, up 49 percent from the previous six months.

6. North America experienced 88 percent of the breaches, with the U.S. specifically seeing 781 of the global 918.

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