In the modern digital ecosystem, subscribing to a calendar series has become a routine convenience. Whether it is a retailer sharing dates for upcoming sales, a sports association like FIFA publishing match schedules, or a government body listing public holidays, the standard ‘ICS’ web calendar format, also known as iCalendars, allows third parties to integrate events directly into a user’s device. A new report indicates that this functionality is being weaponized by cybercriminals to distribu