Best Detection of 2026 Series: SIM-Swap Enabled MFA Interception and Session Hij
Detects a suspicious correlation where an employee's phone number undergoes a SIM change or number reassignment event, immediately followed by a successful login using SMS-based MFA for the same identity. This pattern is indicative of SIM swapping/hijacking attacks, often used by threat actors like Scattered Spider to bypass SMS-based multi-factor authentication.
YARA-L
