Here is an intriguing case study from Fortra’s Suspicious Email Analysis (SEA) team that documents a sophisticated phishing attempt identified in early April 2025. The attack utilizes a combination of tactics never before seen together by Fortra researchers, and highlights how the actors are increasingly using a variety of technologies to illegally access systems.
Key highlights include:
- Significance: This is the first Fortra documented instance of these tactics being used together for a Microsoft O365 phishing attempt.
- Complexity: This attack uniquely combines tactics such as an encrypted .htm file, AES encryption, and a malicious npm package.
- Target: The primary goal was to harvest Microsoft O365 credentials.
Having visibility into emerging trends, and understanding the Tactics, Techniques, and Procedures (TTPs) associated with novel incidents is crucial for cybersecurity professionals to enhance their defenses against such targeted attacks.
The report can be found here: https://www.fortra.com/blog/threat-analysis-malicious-npm-package-leveraged-o365-phishing-attack
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This entry was posted on May 20, 2025 at 12:14 pm and is filed under Commentary with tags Fortra. You can follow any responses to this entry through the RSS 2.0 feed.
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Fortra Identifies Novel Phishing Attack Blending Tactics to Target Microsoft O365
Here is an intriguing case study from Fortra’s Suspicious Email Analysis (SEA) team that documents a sophisticated phishing attempt identified in early April 2025. The attack utilizes a combination of tactics never before seen together by Fortra researchers, and highlights how the actors are increasingly using a variety of technologies to illegally access systems.
Key highlights include:
Having visibility into emerging trends, and understanding the Tactics, Techniques, and Procedures (TTPs) associated with novel incidents is crucial for cybersecurity professionals to enhance their defenses against such targeted attacks.
The report can be found here: https://www.fortra.com/blog/threat-analysis-malicious-npm-package-leveraged-o365-phishing-attack
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Related
This entry was posted on May 20, 2025 at 12:14 pm and is filed under Commentary with tags Fortra. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.