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Talos

Cybersecurity reports and statistics published by Talos

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Research Reports

Reports and publications from Talos

PDFs: Portable documents, or perfect deliveries for phish?

Recent Statistics & Reports

Most phone numbers found in email threats leveraging the TOAD social engineering technique are Voice over Internet Protocol (VoIP) numbers.

Microsoft and Docusign were among the most frequently impersonated brands in phishing emails with PDF attachments.

Phishing TOAD PDF

NortonLifeLock, PayPal, and Geek Squad were among the most impersonated brands in TOAD emails with PDF attachments

Phishing TOAD PDF

A significant portion of email threats with PDF payloads persuade victims to call adversary-controlled phone numbers, employing Telephone-Oriented Attack Delivery (TOAD) or callback phishing.

Phone numbers are sometimes reused on consecutive days in TOAD attacks.

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