MFA reduces account takeover by requiring another proof of identity, limiting damage from stolen passwords; protect fallback and recovery paths too.
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Background for this topic.
MFA requires a user to prove identity with at least two different factor types: something they know, have, or are. It limits account takeover when a password is exposed, but protection depends on the factors and their implementation; two passwords are not independent factors, and a one-time code delivered by SMS is generally weaker than a phishing-resistant credential.
Attackers may steal or relay one-time codes through phishing, trigger repeated push prompts to induce approval, exploit weak enrollment or account-recovery processes, or hijack an authenticated session after MFA succeeds. Prefer phishing-resistant methods such as FIDO2/WebAuthn security keys or platform credentials for sensitive access, protect enrollment and recovery as strongly as login, restrict weaker fallbacks, and monitor unusual authentication activity. MFA reduces risk but does not replace endpoint, session, or privileged-access controls.
Mandiant says a wave of recent ShinyHunters SaaS data-theft attacks is being fueled by targeted voice phishing (vishing) attacks and company-branded phishing sites that steal single sign-on (SSO) credentials and multi-factor authentication (MFA) codes. [...]
Google-owned Mandiant on Friday said it identified an "expansion in threat activity" that uses tradecraft consistent with extortion-themed attacks orchestrated by a financially motivated hacking group known as ShinyHunters
Also: Why AI Agents Are Colliding, What Good Governance Ought to Look LikeIn this week's panel, four ISMG editors discussed real-time vishing attacks that are defeating MFA, the growing problem of AI agents making conflicting decisions inside of enterprises and why the next phase of AI adoption depends on governance, accountability and control.
Ransomware defense requires focusing on business resilience. This means patching issues promptly, improving user education, and deploying multi-factor authentication.
ShinyHunters Campaign Uses Voice Phishing to Bypass MFA and Steal Corporate DataSecurity experts warn that "an active and ongoing campaign" being waged by ShinyHunters extortionists has at least 150 organizations in its sights across a range of sectors, with attackers using live voice phishing to bypass multifactor authentication, steal cloud data and hold it to ransom.
Threat actors posing as IT support teams use phishing kits to generate fake login sites in real-time to trick victims into handing over credentials