Earlier this year, Spamhaus researchers observed a major shift in phishing targeting Japan. Starting in April, a China-nexus threat actor began using residential proxy networks to send phishing emails instead of subnets at China Telecom and China Unicom. This blog explores the campaign’s origins and countermeasures against residential proxy-enabled spam.

*** This is a Security Bloggers Network syndicated blog from The Spamhaus Project authored by Jonas Arnold. Read the original post at: https://www.spamhaus.org/resource-hub/compromised/bad-sushi-china-nexus-phishers-shift-to-residential-proxies