Microsoft OAuth Phishing Fiasco: Fake Apps Fuel Credential Chaos
Threat actors are impersonating enterprises with fake Microsoft OAuth applications to facilitate credential harvesting. They’re using phishing kits like Tycoon and ODx for multi-factor authentication phishing. It’s like handing out fake VIP passes to a concert, only instead of music, it’s your personal data that gets rocked!

Hot Take:
Who knew Microsoft OAuth applications would become the new fashion trend for cybercriminals? Forget runway shows; the real catwalk is the digital highway where threat actors are strutting their stuff with fake apps, stealing credentials, and making account takeovers look like child’s play. Someone call Project Runway because we have a new contender in the world of “What Not to Wear” – your credentials!
Key Points:
- Cyber baddies are impersonating enterprises with fake Microsoft OAuth apps to nab credentials.
- The attack impersonates companies like RingCentral and Adobe and uses phishing kits such as Tycoon.
- Emails lure victims with fake requests for quotes or business contracts, leading to phishing pages.
- Microsoft plans to update security settings to combat these attacks by August 2025.
- Threat actors are getting creative, using diverse methods like AutoIt-based injectors and RMM tools.
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