Attackers Using HTTP Response Headers to Redirect Victims to Phishing Pages
Researchers at Palo Alto Networks’ Unit 42 warn that attackers are using refresh entries in HTTP response headers to automatically redirect users to phishing pages without user interaction. “Unit 42 researchers observed many large-scale phishing campaigns in 2024 that used a refresh entry in the HTTP response header,” the researchers write. “From May-July we detected around 2,000 malicious URLs daily that were associated with campaigns of this type.