Keep seeing strange meetings and events in your calendar? It might be because calendar-based phishing has jumped 33,000% since May β and they work even if the email is sent to spam
Sublime researchers warn ICS phishing via calendar invites is surging ~33,000% since May 2026 Attacks bypass filters, trick users into installing RMM tools like ScreenConnect for full compromise Defenses: scrutinize suspicious invites, verify senders, and treat ICS attachments with caution ICS phishing – the type of phishing that abuses calendar files (.ics) is set to … Read more