Attackers Bypass Mfa On Office 365 And G Suite Accounts Via Imap Protocol Office365

By switzerlandersing On Sep 15, 2025

Massive Attacks Bypass MFA On Office 365 And G Suite Accounts Via IMAP Protocol - Cayosoft

Massive Attacks Bypass MFA On Office 365 And G Suite Accounts Via IMAP Protocol - Cayosoft Over the past months, threat actors have targeted office 365 and g suite cloud accounts using the imap protocol to bypass multi factor authentication (mfa). Hackers have devised a new, highly effective scheme that tricks every second user into handing over control of their microsoft accounts, even with two factor authentication enabled.

Multi-Factor Authentication (MFA) Bypass | Secureworks

Multi-Factor Authentication (MFA) Bypass | Secureworks Massive imap based password spraying attacks successfully breached microsoft office 365 and g suite accounts, circumventing multi factor authentication (mfa) according to an analysis. Proofpoint, a software security company, has discovered that threat actors are using legacy imap protocols to bypass multi factor authentication on office 365 and g suite accounts. multi factor authentication (mfa) systems check the identity of a user before allowing them to access the account. According to proofpoint researchers, attackers are leveraging imap (internet message access protocol) to compromise office 365 and g suite cloud accounts with multi factor authentication. The report shows that imap is the most abused protocol and the imap based attacks are higher in volumes between september 2018 and february 2019. approximately 60% of microsoft office 365 and g suite tenants were targeted with imap based password spraying attacks.

Multi-Factor Authentication (MFA) Bypass | Secureworks

Multi-Factor Authentication (MFA) Bypass | Secureworks According to proofpoint researchers, attackers are leveraging imap (internet message access protocol) to compromise office 365 and g suite cloud accounts with multi factor authentication. The report shows that imap is the most abused protocol and the imap based attacks are higher in volumes between september 2018 and february 2019. approximately 60% of microsoft office 365 and g suite tenants were targeted with imap based password spraying attacks. This article examines three tactics that kroll has observed threat actors leveraging to bypass mfa controls in m365, and examples of how their attacks play out in real life. one tactic threat actors consistently use to bypass multi factor authentication (mfa) is the use of legacy authentication. Introduction: adversary in the middle (aitm) phishing remains a predominant and highly effective technique for attackers to bypass multi factor authentication (mfa) and compromise microsoft 365 environments. as we move into mid 2025, microsoft has rolled out a suite of enhanced protections designed to detect and disrupt these sophisticated campaigns, making a review of both the threat and the. Multi factor authentication can prevent accounts from being accessed if passwords are stolen or obtained using brute force tactics; however, proofpoint has discovered that multi factor authentication is being bypassed on office 365 and g suite accounts using the legacy imap protocol. Learn how hackers use microsoft 365 mfa bypass to gain access, add persistence, and exfiltrate data. detect.

MFA Bypass: How & Why It Works + Prevention Tips | Abnormal

MFA Bypass: How & Why It Works + Prevention Tips | Abnormal This article examines three tactics that kroll has observed threat actors leveraging to bypass mfa controls in m365, and examples of how their attacks play out in real life. one tactic threat actors consistently use to bypass multi factor authentication (mfa) is the use of legacy authentication. Introduction: adversary in the middle (aitm) phishing remains a predominant and highly effective technique for attackers to bypass multi factor authentication (mfa) and compromise microsoft 365 environments. as we move into mid 2025, microsoft has rolled out a suite of enhanced protections designed to detect and disrupt these sophisticated campaigns, making a review of both the threat and the. Multi factor authentication can prevent accounts from being accessed if passwords are stolen or obtained using brute force tactics; however, proofpoint has discovered that multi factor authentication is being bypassed on office 365 and g suite accounts using the legacy imap protocol. Learn how hackers use microsoft 365 mfa bypass to gain access, add persistence, and exfiltrate data. detect.