Operation TaxShadow: Tax Phishing Hides In-Memory Malware

· Securityonline · June 12, 2026, 7:21 a.m.
malware Phishing Cyfirma Operation TaxShadow Phishing Cybersecurity malware Tax Fraud
Summary
The blog post discusses Operation TaxShadow, a sophisticated phishing scheme that employs in-memory malware disguised as a fake tax notice. It highlights research findings by CYFIRMA, detailing how the attack works and its implications for cybersecurity. Related vulnerabilities and other phishing attacks are briefly mentioned as well.
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