Proofpoint: news, advisories and analysis

CyberSecureToday covers Proofpoint across 2 articles published between 9 Sep 2026 and 3 Oct 2026. The coverage includes 1 incident or breach report and 1 analysis or guidance piece.

Stories on Proofpoint most often intersect with TA419, China-Aligned APT and AitM Phishing, with Government & Defence the most affected sector. The most recent story, “China-Aligned TA419 Impersonates White House and Anthropic Figures to Target AI Experts”, was published 3 Oct 2026. Every article is listed below, newest first, with the affected products, severity and remediation guidance in each piece.