Episode

Dial 'F' for Fraud: Uncovering IRSF

Podcast
Blue Security
Published
Mar 16, 2026
Duration seconds
1548
Processing state
not_requested
Canonical source
https://podcasters.spotify.com/pod/show/blue-security-podcast/episodes/Dial-F-for-Fraud-Uncovering-IRSF-e3ghnpe
Audio
https://anchor.fm/s/37babf1c/podcast/play/117021934/https%3A%2F%2Fd3ctxlq1ktw2nl.cloudfront.net%2Fstaging%2F2026-2-16%2F420148150-44100-2-746ced7f406d7.mp3
JSON
/v1/public/podcasts/blue-security-2167092/episodes/dial-f-for-fraud-uncovering-irsf
Markdown
/podcast/blue-security-2167092/dial-f-for-fraud-uncovering-irsf.md

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Summary

Summary In this episode of the Blue Security Podcast, hosts Andy and Adam delve into a significant surge in external ID charges experienced by a customer, leading to the discovery of an international revenue share fraud attack. They discuss the mechanics of this fraud, how it exploits telecommunication systems, and the importance of monitoring and mitigating such attacks. The conversation emphasizes the need for organizations to implement security measures, including web application firewalls and billing alerts, to prevent financial losses from similar attacks. The episode concludes with key takeaways and recommendations for enhancing security in external identity management. ---------------------------------------------------- YouTube Video Link: ⁠https://youtu.be/6jXBULGx5aA⁠ ---------------------------------------------------- Documentation: https://learn.microsoft.com/en-us/entra/architecture/deployment-external-operations https://learn.microsoft.com/en-us/entra/identity/authentication/concept-mfa-telephony-fraud https://learn.microsoft.com/en-us/entra/external-id/customers/how-to-region-code-opt-in https://learn.microsoft.com/en-us/entra/external-id/customers/concept-multifactor-authentication-customers#sms-pricing-tiers-by-countryregion ---------------------------------------------------- Contact Us: Website: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://bluesecuritypod.com Bluesky: https://bsky.app/profile/bluesecuritypod.com LinkedIn: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://www.linkedin.com/company/bluesecpod YouTube: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://www.youtube.com/c/BlueSecurityPodcast ------------------------------------------------…