Threats Tagged 'canada revenue agency'

A sophisticated phishing operation initially appearing to target Canadians with fake Canada Revenue Agency T4 tax documents has evolved into a global campaign spanning 46 countries, with 45% of activity concentrated in the United States. Attackers impersonate trusted organizations including the Social Security Administration, Adobe, and various tax authorities to deliver legitimate Remote Management and Monitoring software that is then abused for unauthorized remote access. The campaign employs a reusable delivery kit featuring password-protected archives, browser fingerprinting, and Telegram-based victim filtering. Infrastructure rotates rapidly across 240 hosts, predominantly using Vercel deployments that provide legitimate TLS certificates and domain reputation. The operation leverages signed commercial RMM tools including GoTo Resolve, LogMeIn Rescue, ScreenConnect, ConnectWise, and ITarian, making signature-based detection ineffective. Activity has remained steady from January 2026 onwards, targeting ...

MediumCampaignUnited StatesCanada#canada revenue agency#vercel infrastructure#hands-on-keyboard access