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All news with #mfa fatigue tag

43 articles · page 2 of 3

Mandiant: ShinyHunters Exploit SSO and Vishing Campaigns

🔒 Mandiant reports a recent wave of ShinyHunters attacks that combine targeted vishing and company‑branded phishing sites to capture SSO credentials and MFA codes. Attackers impersonate IT or helpdesk staff, guide victims through MFA approval or one‑time passcodes in real time, and enroll attacker-controlled MFA devices. With access to Okta, Microsoft Entra, or Google SSO dashboards they pivot into SaaS platforms (Salesforce, Microsoft 365, SharePoint, DocuSign, Slack, Atlassian, Dropbox, Google Drive) to steal and extort cloud data.
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Okta Warns of Real-Time Vishing Attacks Bypassing MFA

🔔Okta Threat Intelligence has warned that cybercriminals are combining vishing calls with adaptable phishing sites to social-engineer victims and bypass multi-factor authentication (MFA). Attackers perform reconnaissance, spoof internal IT support numbers during calls and direct users to customized phishing pages that update in real time. Stolen credentials are relayed to attackers who then generate fake MFA prompts to obtain approvals and gain account access.
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ShinyHunters Claim Responsibility for SSO Vishing Attacks

📞 ShinyHunters says it is behind a wave of voice-phishing campaigns that compromise single sign-on accounts at Okta, Microsoft Entra, and Google, enabling access to downstream SaaS platforms. Attackers call employees posing as IT, steer victims through dynamic phishing pages and capture multi-factor authentication in real time, then enumerate connected applications to harvest data. The group claims Salesforce as a primary target and has issued extortion demands using stolen information.
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OAuth device-code abuse enables MFA bypass in attacks

🔒 Security firm Proofpoint reports attackers are abusing the OAuth 2.0 device-code flow to bypass MFA. Scammers trick users into entering one-time device codes into malicious Microsoft authentication links, allowing the attackers to capture codes and gain full access to the victim's Microsoft 365 accounts and content. Proofpoint observed both Russian and Chinese threat actors using this technique.
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FBI: $262M Lost to ATO Fraud as AI Phishing Escalates

🔐 The FBI warns that cybercriminals impersonating banks and payment services have caused over $262 million in losses this year through account takeover (ATO) fraud and more than 5,100 complaints. Attackers use phishing, SEO poisoning, calls and SMS to harvest credentials and MFA/OTP codes, then transfer funds to intermediary accounts and convert proceeds to cryptocurrency. The advisory highlights growing use of AI-generated phishing and holiday-themed scams and urges vigilance, unique passwords, URL checks and stronger authentication.
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Sneaky2FA Adds Browser-in-the-Browser to Phishing Kits

🛡️ Researchers report that the Sneaky2FA phishing-as-a-service kit now includes browser-in-the-browser (BITB) functionality that lets attackers embed a fake browser window with a customizable URL bar to mimic legitimate sites such as Microsoft. The iframe-backed pop-up captures credentials and MFA codes in real time, enabling attackers to hijack active sessions. This change lowers the skill threshold for criminals and undermines many signature-based defenses, prompting calls for updated training and stronger browser configurations.
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Sneaky2FA PhaaS Adds Browser-in-the-Browser Deception

🔒 Sneaky2FA has integrated a Browser-in-the-Browser (BitB) pop-up that impersonates Microsoft sign-in windows and adapts to the victim’s OS and browser. Used alongside its existing SVG-based and attacker-in-the-middle (AitM) proxying, the BitB layer renders a fake URL bar and loads a reverse-proxy Microsoft login to capture credentials and active session tokens, enabling access even when 2FA is active. The kit also employs heavy obfuscation and conditional loading to evade analysis.
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Tycoon 2FA Phishing Kit Undermines Legacy MFA Protections

🔐 Tycoon 2FA is a turnkey phishing kit that automates real-time MFA relays, enabling attackers to capture credentials, session cookies, and live authentication flows for Microsoft 365 and Gmail. It requires no coding skill, includes layered evasion (obfuscation, compression, bot filtering and debugger checks), and proxies MFA prompts so victims unknowingly authenticate attackers. The result undermines SMS, TOTP and push methods and can enable full session takeover. The article urges migration to phishing-resistant FIDO2 hardware and domain-bound biometric authenticators.
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Whisper 2FA Drives Nearly One Million Phishing Attacks

🛡️ Whisper 2FA has emerged as a highly active phishing kit, responsible for almost one million attacks since July 2025, according to Barracuda. The platform leverages AJAX to create a live relay between victims and attackers, repeatedly capturing passwords and MFA codes until a valid token is obtained. Campaigns impersonate services like DocuSign, Adobe and Microsoft 365 and use urgent lures such as invoices or voicemail notices. Rapid evolution, dense obfuscation and anti-debugging measures make detection and analysis increasingly difficult.
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Universities Targeted in 'Payroll Pirate' Workday Hijacks

🔐 Microsoft says the Storm-2657 gang has been targeting U.S. university HR employees since March 2025 in “payroll pirate” attacks that aim to hijack salary payments by compromising Workday accounts and Exchange Online mailboxes. Attackers use tailored phishing themes—campus illness, faculty misconduct, executive impersonation—and adversary‑in‑the‑middle (AITM) links to steal MFA codes and gain access. They then set inbox rules to hide warnings, adjust payroll SSO settings, and sometimes enroll attacker phone numbers as MFA devices; Microsoft urges deployment of phishing‑resistant MFA and offers investigative guidance.
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Medusa Ransomware Tried to Recruit BBC Journalist Insider

🧑‍💻 Threat actors claiming to represent Medusa contacted BBC cybersecurity correspondent Joe Tidy via Signal in July, offering him a cut of any ransom in exchange for providing access to BBC systems. They initially offered 15% of the paid ransom, later adding an extra 10% and even proposing 0.5 BTC placed in escrow. When Tidy hesitated, the actors launched MFA bombing attempts; he alerted the BBC security team and was disconnected from corporate systems as a precaution.
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Akira Bypasses MFA on SonicWall VPNs via Reused Logins

🔐Akira ransomware operators are successfully authenticating to SonicWall SSL VPN accounts even when one-time password (OTP) multi-factor authentication is enabled. Arctic Wolf links the logins to credentials and OTP seeds harvested via an improper access control flaw tracked as CVE-2024-40766, and notes attackers can reuse those secrets after devices are patched. Once inside, actors rapidly scan internal networks, harvest backup server credentials, and use techniques such as BYOVD to sideload vulnerable drivers and disable protections. Administrators are urged to install the latest SonicOS (recommended 7.3.0) and reset all SSL VPN credentials immediately.
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Experts Urge Updated Defenses Against Scattered Spider

🔐 Organizations should urgently update defenses to counter the Scattered Spider collective, experts warned at the Gartner Security & Risk Management Summit 2025. The group used social engineering, helpdesk vishing, and push notification fatigue to bypass MFA and abuse SSO, compromising accounts like Okta and stealing tokens from LastPass. Firms are advised to implement stronger identity protections, number-matching MFA, stricter password-reset procedures, and tighter third-party vendor monitoring to reduce exposure.
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VoidProxy Phishing Framework Bypasses MFA for SSO Logins

🔒 Okta threat researchers have identified a Phishing-as-a-Service called VoidProxy that leverages Adversary-in-the-Middle techniques to capture usernames, passwords, MFA codes and session cookies from Microsoft, Google and several SSO providers. The service uses compromised email service provider accounts, URL shorteners, Cloudflare Workers and disposable domains to evade detection and takedown. Victim credentials and session tokens are proxied to legitimate services, allowing attackers to reuse valid session cookies. Okta warns legacy methods such as SMS and OTP are especially vulnerable to this attack.
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Akira Exploits SonicWall SSL VPN Flaw and LDAP Settings

🔒 Rapid7 and SonicWall report a surge in intrusions tied to the Akira ransomware group exploiting a year-old SSL VPN vulnerability, CVE-2024-40766 (CVSS 9.3), and LDAP misconfigurations that retained local passwords during migrations. Attackers are brute-forcing credentials, abusing SonicWall's Virtual Office defaults to enable mMFA/TOTP, and using loaders like Bumblebee to deploy AdaptixC2 and persistent tools. SonicWall urges rotating local accounts, enabling Botnet Filtering and Account Lockout, enforcing MFA, restricting Virtual Office access, and reviewing LDAP default groups.
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Salty2FA Phishing Framework Evades MFA Using Turnstile

🔒 A newly identified phishing-as-a-service called Salty2FA is being used in campaigns that bypass multi-factor authentication by intercepting verification flows and abusing trusted services like Cloudflare Turnstile. Ontinue researchers report the kit uses subdomain rotation, domain-pairing, geo-blocking and dynamic corporate branding to make credential pages appear legitimate. The framework simulates SMS, authenticator apps, push approvals and even hardware-token prompts, routing victims through Turnstile gates to filter automated analysis before harvesting credentials.
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Salty2FA Phishing Kit Targets US and EU Enterprises

⚠️ Researchers at ANY.RUN have uncovered Salty2FA, a new phishing-as-a-service kit engineered to harvest credentials and bypass multiple two-factor authentication methods. First observed gaining momentum in mid-2025, the kit uses multi-stage redirects, Cloudflare checks and evasive hosting to slip past automated filters. Salty2FA intercepts push, SMS and voice codes, enabling account takeover across finance, energy and telecom sectors.
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Axios Abuse and Salty 2FA Kits Fuel Direct Send Phishing

🔒 ReliaQuest reports threat actors increasingly abusing the HTTP client Axios alongside Microsoft's Direct Send to create a highly efficient phishing pipeline that intercepts and replays authentication flows. Campaigns beginning in July 2025 targeted executives in finance, healthcare, and manufacturing and expanded to all users, achieving up to a 70% success rate when pairing Axios with Direct Send. Attackers also use PDF lures with malicious QR codes, Google Firebase hosting, and advanced MFA-bypass kits such as Salty2FA to simulate multiple 2FA methods and steal credentials.
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Salty2FA Phishing Kit Employs Sophisticated Evasion Tools

⚠️ Researchers have exposed a Salty2FA phishing kit that applies enterprise-grade tactics to harvest credentials and bypass detection. The campaign uses session-based subdomain rotation, abuse of legitimate platforms for staging, and corporate-branded login replicas to increase believability. Operators integrate Cloudflare Turnstile and obfuscated, XOR-encrypted JavaScript to block automated analysis and frustrate forensic inspection. Targets include healthcare, finance, technology, energy and automotive sectors, underscoring the need for updated defenses beyond traditional indicators.
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Salty2FA Phishing Kit Undermines Confidence in MFA

🔐 A newly uncovered phishing campaign uses the Salty2FA phishing‑as‑a‑service kit to bypass multi‑factor authentication by intercepting verification methods, rotating unique subdomains and hiding behind Cloudflare Turnstile gates that filter automated analysis. Ontinue found the kit simulates SMS, authenticator apps, push prompts and hardware tokens while dynamically applying corporate branding to match victims' email domains. Industry experts characterize this as a more mature, evasive form of phishing and recommend phishing‑resistant authentication, runtime inspection and continuous user training.
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