“Legitimate” phishing: how attackers weaponize Amazon SES to bypass email security

Securelist

May 4, 2026 at 10:00 AM

Actively Exploited

Overview

Researchers have identified a new phishing technique that exploits Amazon's Simple Email Service (SES) to send fraudulent emails that appear legitimate. By using this widely trusted cloud email service, attackers can bypass traditional email security measures. Victims may struggle to distinguish these phishing emails from real communications, making them more susceptible to scams. The implications are significant, as this method could lead to increased identity theft and financial loss for individuals and organizations alike. Users are advised to be vigilant and verify the authenticity of unexpected emails, especially those requesting sensitive information or prompting urgent actions.

Key Takeaways

Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
Affected Systems: Amazon Simple Email Service (SES), email communication systems
Action Required: Users should verify email sources and avoid providing sensitive information in response to unexpected requests.
Timeline: Newly disclosed

Original Article Summary

Kaspersky expert breaks down a new phishing scheme that uses the Amazon SES cloud email service. Let's look at some examples to see how you can tell a phishing email from a real one.

Impact

Amazon Simple Email Service (SES), email communication systems

Exploitation Status

This vulnerability is confirmed to be actively exploited by attackers in real-world attacks. Organizations should prioritize patching or implementing workarounds immediately.

Timeline

Newly disclosed

Remediation

Users should verify email sources and avoid providing sensitive information in response to unexpected requests. Implementing additional email filtering and security measures could also help mitigate risks.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Phishing, Amazon, Kaspersky.

Read Original Article

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