9min chapter

Risky Business cover image

Risky Business #734 -- The number of hacked Microsoft 365 customers is skyrocketing

Risky Business

CHAPTER

Enhancing Email Security Against QR Code-based Attacks

Exploring the rise in malicious campaign delivery via QR codes in emails, the chapter details innovative security measures to counter this growing threat. It discusses the utilization of detection engines and query languages like Yara, snort signatures, and MQL to identify various attacker behaviors. Additionally, it highlights the development of detection rules for phishing attempts involving QR codes and HTML-based tables, along with a novel method for recognizing lookalike domains.

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