SecurityTechStartupsabout 1 hour ago
Calendly Phishing Attack Hits Hotels June 2026
5 min read
In June 2026, hotel staff received malicious Calendly notifications that passed SPF, DKIM, and DMARC checks, tricking them into downloading malware. Experts call this authentication laundering, noting Salesforce lures tripled over six months. The attack exploited trusted workflows, proving employee training must evolve beyond standard courses to address context-based social engineering.
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