Calendar
Hackers exploited Zimbra flaw as zero-day using iCalendar files
Researchers monitoring for larger .ICS calendar attachments found that a flaw in Zimbra Collaboration Suite (ZCS) was used in zero-day attacks at the beginning of the year. ICS files, also known as iCalendar files, are used to store calendar and scheduling information (meetings, events, and tasks) in plain text, and to exchange it between various calendar applications. […]
iCloud Calendar abused to send phishing emails from Apple’s servers
iCloud Calendar invites are being abused to send callback phishing emails disguised as purchase notifications directly from Apple’s email servers, making them more likely to bypass spam filters to land in targets’ inboxes. Earlier this month, a reader shared an email with GeekFeed that claimed to be a payment receipt for $599 charged against the recipient’s […]
Google Calendar invites let researchers hijack Gemini to leak user data
Google fixed a bug that allowed maliciously crafted Google Calendar invites to remotely take over Gemini agents running on the target’s device and leak sensitive user data. The attack unfolded without requiring any user involvement beyond typical interactions with the assistant, which occur daily for users of Gemini. Gemini is Google’s large language model (LLM) […]
Microsoft fixes Outlook drag-and-drop broken by Windows updates
Microsoft has fixed a known issue that broke email and calendar drag-and-drop in classic Outlook after installing recent updates on Windows 24H2 systems. According to Redmond, the updates that trigger these problems are the KB5050094 January 2025 preview cumulative update and the KB5051987 February 2025 security update. “After installing the January 2025 Windows non-security preview update and subsequent updates […]