In a recent advisory, Microsoft’s security team has highlighted a growing concern in the digital security landscape, the exploitation of OAuth, a commonly used system for online identity verification. Cybercriminals increasingly target this system, leveraging hijacked user accounts to gain unauthorized access and permissions within various online platforms. This trend poses a significant threat to digital security and privacy.
Microsoft Ramps Up Defense Against OAuth Abuse
Cyber attackers employ many tactics, including phishing and password-spraying, to compromise user accounts, particularly those without robust authentication. Once they gain control, these accounts are manipulated to deploy virtual machines (VMs) for illicit activities like crypto mining, perpetuate Business Email Compromise (BEC) attacks, and initiate large-scale spam campaigns using an organization’s resources. The exploitation of OAuth applications through these means presents a sophisticated challenge in the r
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