Over 390 Abandoned iCalendar Sync Domains Could Expose ~4 Million Devices to Security Risks

Digital calendars have become indispensable tools for managing personal and professional schedules. Users frequently subscribe to external calendars for public holidays, sports schedules, or community events to keep their agendas up to date. While these subscriptions offer convenience, they create a persistent connection between a user’s device and an external server. If the domain hosting […]

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