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A data breach can disrupt operations and damage customer trust. Follow the latest news on data breaches and cyberattacks here.

Top 10 Largest hacks of 2026

So far
  1. Addi34.5 m
  2. Paidwork23.3 m
  3. McGraw Hill13.5 m
  4. Carhartt12.9 m
  5. CarGurus12.5 m
  6. Exact Sciences10.9 m
  7. Madison Square Garden Sports9.8 m
  8. Manchester Airports Group8.8 m
  9. Pitney Bowes8.2 m
  10. Carnival7.5 m

Source: Have I Been Pwned. Top 10 verified organisational data breaches with an incident date in 2026, ranked by unique email addresses. As of .

The latest 10 data breach reports

Latest saved selection · fetching current reports.

Checked every 5 minutes using BleepingComputer and SecurityWeek. Select a report to read the full article at its source.

From the news to your organisation

Where does your protection begin?

A data breach report can prompt a review of your own environment. Which information may employees share? Which devices and accounts are monitored? And who takes action when an alert arrives?

For sensitive information policies, labels and DLP, speak to the Microsoft Purview specialist. For endpoint protection and connected signals from identities, email and cloud apps, speak to the Microsoft Defender specialist.