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Cybersecurity statistics / Zero-Day Attacks

Zero-day attacks rose to 14 events in H1 2026, nearly matching the 17 events recorded in all of 2025.

PublisherIdentity Theft Resource Center
ReportITRC H1 2026 Data Breach Report
Published22 July 2026
TopicsZero-Day Attacks

Published by Identity Theft Resource Center in ITRC H1 2026 Data Breach Report, 22 July 2026. The figure is taken from the report as published; the full methodology is in the source.

View the original report

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A single Canvas data compromise generated an estimated 275 million victim notices, accounting for 58% of the H1 2026 total.
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There were 1,803 data compromises in the first half of 2026.
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Q2 2026 tallied 1,029 compromises, the second-highest single-quarter total on record.
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