Skip to content

Topic

MFA bypass techniques

Methods attackers use to defeat multi-factor authentication, including push-fatigue, OTP phishing, number matching, device-code and WebAuthn-downgrade tricks.

Current stories

securityConfirmed3 publishers

BigBear's phishing panel disables WebAuthn in the browser to beat MFA at 258 organizations

CloudSEK took administrator access to the panel and counted 5,137 stolen records coming off 42 VPS nodes into five leasing affiliates' Telegram bots, with the phishing pages dark for three weeks while the panel itself stays reachable.

Perspective Coverage

3 publishers
Builder
Builder 30%
Operator
Operator 60%
Investor
Investor 10%

Reality

Evidence55
Adoption30
Hype gap+25
Incentives40
Confidence60
leadershipOne report1 publisher

Blocking Kali365 means deciding which business processes still need device code flow

The FBI says a subscription kit sold on Telegram harvests Microsoft 365 OAuth tokens through device code lures. The mitigation it recommends is a tenant-wide block, and somebody has to decide the exceptions.

Publishers:fbi.gov

Reality

Evidence65
Adoption35
Hype gap−10
Incentives25
Confidence60
leadershipOne report1 publisher

Click-time code generation strips the 15-minute limit out of device code phishing

Microsoft's researchers describe a device code phishing campaign that minted fresh codes the moment a target clicked, defeating the expiry that used to hold these attacks down. The flow it abuses is only needed by hardware that cannot show a login page.

Publishers:microsoft.com

Reality

Evidence55
Adoption45
Hype gap+20
Incentives65
Confidence60
productOne report1 publisher

Quishing moves the login off the managed laptop and onto an unfiltered personal phone

Fast Company's roundup of four working email scams includes three that never show a link worth hovering over, which leaves both the awareness module and the mobile device policy answering a question users no longer face.

Publishers:fastcompany.com

Reality

Evidence38
Adoption
Not scored
Hype gap+25
Incentives25
Confidence50
buildOne report1 publisher

Three Russian clusters phish the grant, not the password, and MFA completion changes nothing

Google's threat intel group ties UNC6293, UNC7005 and UNC5976 to attacks on OAuth consent, app passwords, device codes and WhatsApp linking. The login succeeds; the token leaves anyway.

Publishers:dev.to

Reality

Evidence64
Adoption58
Hype gap+14
Incentives57
Confidence55
securityOne report1 publisher

Vishing gets a product tier: Okta finds kits that steer the victim's browser mid-call

Okta Threat Intelligence says as-a-service phishing kits now let a caller change what the target sees in real time, synced to genuine MFA prompts. Push and OTP were not built to survive that.

Publishers:okta.com

Reality

Evidence46
Adoption28
Hype gap+22
Incentives78
Confidence44