Phishing Campaign Exploited Proofpoint Email Protections for Spoofing
July 29, 2024 at 02:48PM Guardio Labs reported that threat actors exploited a misconfiguration in Proofpoint’s email protection service to conduct a large-scale phishing campaign. The vulnerability, named EchoSpoofing, allowed attackers to send millions of phishing emails per day and bypass security measures, spoofing well-known brands. Proofpoint has been working to address the issue and … Read more