Push notifications are vulnerable to MFA fatigue/"bombing" attacks, that are used in the real world, cf. this breach on Uber: https://www.darkreading.com/cyber

Push notifications are vulnerable to MFA fatigue/"bombing" attacks, that are used in the real world, cf. this breach on Uber: https://www.darkreading.com/cyberattacks-data-breaches/uber-breach-external-contractor-mfa-bombing-attack https://www.darkreading.com/cyberattacks-data-breaches/uber-...