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India's Central Bureau of Investigation (CBI) has announced that it has taken steps to dismantle what it said was a transnational cybercrime syndicate that carried out "sophisticated" tech support scams targeting citizens of Australia and the United Kingdom. The fraudulent scheme is estimated to have led to losses worth more than £390,000 ($525,000) in the United Kingdom alone. The law enforcement effort, which was carried out on July 7, 2025, as part of Operation Chakra V , involved searches at three locations in Noida, one of which was a fully functional fraudulent call center operating from the Noida Special Economic Zone. Evidence gathered by the CBI revealed that the call center, named FirstIdea, made use of advanced calling infrastructure and malicious scripts to facilitate cross-border anonymity and victim targeting at scale. A total of two arrests have been made, including a key operative partner of FirstIdea. "The operation was meticulously timed with ...

Cybersecurity researchers are calling attention to phishing campaigns that impersonate popular brands and trick targets into calling phone numbers operated by threat actors. "A significant portion of email threats with PDF payloads persuade victims to call adversary-controlled phone numbers, displaying another popular social engineering technique known as Telephone-Oriented Attack Delivery (TOAD), also known as callback phishing," Cisco Talos researcher Omid Mirzaei said in a report shared with The Hacker News. An analysis of phishing emails with PDF attachments between May 5 and June 5, 2025, has revealed Microsoft and Docusign to be the most impersonated brands. NortonLifeLock, PayPal, and Geek Squad are among the most impersonated brands in TOAD emails with PDF attachments. The activity is part of wider phishing attacks that attempt to leverage the trust people have with popular brands to initiate malicious actions. These messages typically incorporate PDF attachments...