Scammers Use Short-Lived VoIP Numbers and Reuse Windows to Defeat Reputation-Based Blocking

Phone-based scams are evolving faster than most security filters can keep up with. Attackers are now leaning heavily on Voice over Internet Protocol (VoIP) numbers that disappear before detection systems can flag them, leaving users exposed and defenders scrambling. These scam campaigns arrive through email, where attackers embed phone numbers directly into message bodies, subject […]

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