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Cyber Security

Quarantined, but still on your calendar: The explosion of invite-based attacks

Image: Help Net Security

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Coverage

  • Help Net Security · October 20, 2026 12:18
    There has been a sharp escalation in attacks that use malicious calendar invites to reach targets, email security providers Check Point and Sublime Security have warned. Sublime recorded a 1,216% month-over-month increase in August 2026, and the first half of September alone surpassed the whole of…