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Separate but similar campaigns described by Microsoft and Trend Micro use malicious zip files to spread malware via social engineering and obsfucation, including blockchain abuse.
June 30, 2026
Attackers have been targeting hotels and other hospitality organizations with a phishing campaign that uses malicious zip files purporting to include guest photos, with the aim of installing malware to achieve long-term access to compromised systems.
Both researchers at Microsoft and Trend Micro have observed the malicious activity, though they did not confirm if it was connected, according to separate reports published recently. Neither company immediately responded to a request for comment by Dark Reading about a potential link between the activities they described.
