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Global Data Breaches and Cyber Attacks in December 2023 – 2,241,916,765 Records Breached

IT Governance

IT Governance’s research found the following for December 2023: 1,351 publicly disclosed security incidents. 2,241,916,765 records known to be breached. Both these figures are a significant increase on what we found for November 2023 : 470 incidents and 519,111,354 records – 187% and 332% increases respectively.

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Data Breaches and Cyber Attacks in October 2023 – 867,072,315 Records Breached

IT Governance

IT Governance’s research has discovered the following for October 2023: 114 publicly disclosed security incidents. 867,072,315 records known to be breached. You’ll also be able to download each month’s data (and our sources) from the same page as the corresponding Dashboard. An additional 30% may have had data exfiltrated.

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Okta discloses a new data breach after a third-party vendor was hacked

Security Affairs

Okta warns approximately 5,000 employees that their personal information was compromised due to a third-party vendor data breach. “On October 12, 2023, Rightway informed Okta that an unauthorized actor gained access to an eligibility census file maintained by Rightway in its provision of services to Okta.

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McLaren Health Care revealed that a data breach impacted 2.2 million people

Security Affairs

McLaren Health Care (McLaren) experienced a data breach that compromised the sensitive personal information of approximately 2.2 McLaren Health Care (McLaren) disclosed a data breach that occurred between late July and August. The security breach exposed the sensitive personal information of 2,192,515 people.

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The Week in Cyber Security and Data Privacy: 6 – 12 November 2023

IT Governance

At the end of each month, these incidents – and any others that we find – will be used to inform our monthly analysis of data breaches and cyber attacks. Records breached: 79,582 Ontario hospitals update: information relating to 5.6 Records breached: 79,582 Ontario hospitals update: information relating to 5.6

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Data Breaches and Cyber Attacks in November 2023 – 519,111,354 Records Breached

IT Governance

IT Governance’s research has found the following for November 2023: 470 publicly disclosed security incidents. 519,111,354 records known to be breached. You’ll also be able to download this in the near future, along with the month’s data (and our sources). This blog provides analysis of the data we’ve collected.

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PharMerica data breach impacts more than 5.8 million individuals

Security Affairs

National pharmacy network PharMerica discloses a data breach that impacted more than 5.8 National pharmacy network PharMerica disclosed a data breach that exposed the personal information of 5,815,591 individuals. “On March 14, 2023, we learned of suspicious activity on our computer network.