AI in CybersecurityEmail SecurityPhishing Campaigns Hackers Using PDFs to Impersonate Microsoft, DocuSign, and More in Callback Phishing Campaigns by Jamal Richaqrds July 2, 2025 by Jamal Richaqrds July 2, 2025 2 minutes read In the ever-evolving landscape of cybersecurity threats, hackers are continually finding new ways to …