List of Data Breaches and Cyber Attacks – June 2023

IT Governance found 79 publicly disclosed security incidents in June 2023, accounting for 14,353,113 breached records.

You can find the full list below, divided into four categories: cyber attacks, ransomware, data breaches, and malicious insiders and miscellaneous incidents.

Also be sure to check out our new page, which provides a complete list of data breaches and cyber attacks for 2023.

We break down the month’s cyber security landscape for each month, and you can find more information about our list and the biggest security incidents of the month.

Cyber attacks


Data breaches

Malicious insiders and miscellaneous incidents