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European, Latin American authorities arrest 17 in crackdown on phishing network with 483,000 victims
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FBI raises alarm over deceptive phishing campaign targeting prominent people
The FBI warns of an ongoing OAuth consent phishing campaign granting attackers persistent access to high-profile victims' cloud accounts without passwords.
The FBI says attackers impersonate government officials, journalists and event coordinators on commercial messaging apps to trick prominent individuals, their families and acquaintances into authorizing malicious OAuth applications on Microsoft or Google cloud services. Once approved, attackers gain persistent access to emails, files and other sensitive data; the access survives password changes and bypasses MFA, and can only be revoked by invalidating the OAuth token in security settings. The campaign has been tracked since late 2025, and the FBI advises independently verifying senders and granting access only to trusted applications.
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GhostCode Abuses Microsoft Entra Device Enrollment to Maintain Access After Token Revocation
eSentire exposes GhostCode, a device-code phishing kit that abuses Microsoft Entra device enrollment to persist even after stolen tokens are revoked.
eSentire's Threat Response Unit observed GhostCode campaigns in late August 2026, using BEC-style social engineering that impersonated procurement staff, including BJ's Wholesale Club, via Salesforce contact forms. Victims received password-protected HTML lures disguised as a FlipBook document portal, with junk-data padding, HTML comment injection, and AES-256-GCM encrypted redirects gated by anti-bot checks. The kit exploits the OAuth 2.0 device authorization grant, prompting victims to approve real Microsoft device-code sign-ins with MFA. Within 78 seconds of approval, attackers registered three Entra devices and obtained a Primary Refresh Token, so rogue device registrations persist even after session token revocation.
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Hackers Impersonate IT Support on Microsoft Teams to Take Control of Employee PCs
Microsoft warns of a human-operated campaign where attackers pose as IT support in Teams to gain remote PC control and reach domain controllers.
Microsoft Threat Intelligence observed attackers abusing Microsoft Teams external collaboration to impersonate IT/helpdesk staff, persuading employees to grant screen control via Quick Assist or RMM tools. Operators deploy malicious MSI packages via silent msiexec, run encrypted JavaScript implants through portable Node.js, and persist via EdgeUpdate Run keys or Startup folder entries. The Node.js backdoor uses HTTPS long-polling C2, captures screenshots, enumerates Active Directory, and moves laterally over WinRM (TCP 5985) to domain controllers and certificate authorities. Initial access maps to MITRE ATT&CK T1566.003 (Spearphishing via Service); no Teams vulnerability is exploited.
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Risky Bulletin: BEC campaign steals €35 million from French notaries
Hackers stole over €35 million from 500+ French notary offices in a four-year BEC campaign; ANSSI spent two years helping evict the attackers.
A business email compromise campaign breached more than 500 French notary offices — about 7% of all French notaries per the Conseil Supérieur du Notariat — over four years, stealing more than €35 million by phishing initial access and silently modifying wire transfer details. France's cybersecurity agency ANSSI worked for two years behind the scenes to help notaries remove the persistent attackers, who had deep access; officials also feared hackers could issue fake notarized acts such as marriage certificates or forged real estate deals. No forged documents have been found so far, but notaries have added two-factor authentication and in-person requirements for banking details, and banks added extra checks in 2024. The newsletter also notes other incidents, including a $320 million Bitcoin extraction from Blockstream's Liquid Network and a JetBrains Cadence breach via TeamCity servers.
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Attackers are going after prominent individuals through OAuth phishing, FBI warns
FBI IC3 warns of ongoing OAuth consent phishing since late 2025 targeting prominent individuals to gain persistent, password-free account access.
Attackers register malicious applications with legitimate OAuth providers, impersonate journalists, academics, event organizers, or government officials on messaging apps and email, and lure targets into approving permission requests on real Microsoft or Google login pages. Once approved, the attacker's application can read and send emails and access sensitive files within granted permissions, bypassing both passwords and MFA. The FBI notes password changes do not revoke this access; victims must invalidate the OAuth token in application security settings, and no attribution or victim list has been disclosed.
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Hackers Use AI-Assisted CEO Emails to Trick Finance Teams Into Sending $50,000 Payments.
Microsoft tracked a million-message AI-assisted BEC campaign impersonating executives with fake ServiceNow invoices to steal ~$50,000 ACH payments.
Microsoft detected over one million messages in a BEC campaign running August 3-5, using AI-assisted phishing templates, executive impersonation, and fabricated ServiceNow subscription invoices to trick finance teams into authorizing fraudulent ACH payments of roughly $50,000. The US received 87.7% of volume. Attackers used lookalike domains like service-nowinc[.]com registered just days before delivery, with no compromise of ServiceNow itself. Telltale signs included verbose HTML comments, uniform formatting, and inconsistent forwarded-message headers.
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North Korean IT Workers Pay People to Sit Through Job Interviews While They Control the Computernew
Silent Push found North Korean IT workers recruiting on-camera proxies for job interviews while remotely controlling the computer, defeating identity and location checks.
Silent Push researchers engaged the "Tec Guru" persona via Discord and Telegram and assessed with moderate-to-high confidence that the operator is a North Korean IT worker recruiting on-camera proxies in the US, Europe, and Latin America for a 35/65 revenue split. During Google Meet interviews, the proxy stays on camera while the real worker supplies answers via ChatGPT-generated prompts, real-time messaging, or remote-control tools such as AnyDesk and TeamViewer. Successfully placed workers can access source code, cloud tenants, and CI/CD systems, and payments create sanctions exposure; the US, Japan, South Korea, and eight other governments issued a joint identity-verification alert on July 31, 2026.
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The sexy AI-powered dating app scams are here
Anthropic exposed a network of roughly 28 AI-driven dating apps using autonomous personas and gig workers to defraud paying users.
Anthropic threat intelligence uncovered a fraud network of around 28 dating apps after a prepaid account sent over 100,000 Claude API requests daily, with most chats run by autonomous AI personas and no human agent. Researchers Matthew Gore-Kormanik and Anthropic's Chris Cronbaugh documented apps including Dora, Romi, and Doni, which monetize conversations via coins; gig workers were hired only to pass liveness checks and select pregenerated replies. An operations manual written in Chinese was found inside the Doni app, and Anthropic published findings in its September 2026 AI misuse report.
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ClickFix attacks are tricking Mac and Windows users into hacking themselves
ClickFix campaigns trick users into pasting terminal commands via fake CAPTCHAs; latest wave abused HBO Max's hacked Reddit account to push infostealer ads.
ClickFix attacks use fake CAPTCHA or anti-bot prompts on hacked or counterfeit websites to convince victims to copy a command into Windows Command Prompt or macOS Terminal, instantly installing infostealers that steal passwords, logged-in sessions, and crypto wallets. The latest campaign compromised HBO Max's official Reddit account to post hundreds of fake ads linking to a spoofed HBO Max page carrying the lure, per researchers at Hudson Rock. It is unclear how many users were compromised. Because execution happens in the terminal, many attacks evade antivirus tools; enterprises can block terminals domain-wide and Mac users can deploy BlockBlock.
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Passkey-themed phishing attacks lead to Microsoft 365 data theft
Microsoft links ShinyHunters- and Helix-affiliated actors to passkey-themed vishing and device-code phishing that compromises Microsoft 365 accounts and steals cloud data.
Microsoft attributes passkey- and SSO-themed social engineering activity, observed since May 2026, to Storm-3121 (linked to ShinyHunters and Falcon) and Storm-3032 (tied to BlackFile members now operating as Helix). Attackers impersonate corporate IT help desks by phone or SMS, urging fake passkey, MFA, or SSO updates and directing victims to adversary-in-the-middle phishing pages or device-code authentication flows that yield credentials, session tokens, and OAuth tokens. Post-compromise behavior includes Microsoft Graph enumeration of users, SharePoint, and OAuth grants, plus persistence via attacker-controlled MFA methods. Google Threat Intelligence tracks related activity as UNC6671, linked to the BlackFile, Helix, Falcon, Pink, and Redact extortion gangs.
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BigBear 2.0 phishing campaign hijacks Microsoft 365 sessions after MFA
CloudSEK uncovered BigBear 2.0, a PhaaS operation that captured 4,148 Microsoft 365 session cookies, hijacking authenticated sessions after MFA via AiTM proxy.
CloudSEK infiltrated the BigBear 2.0 phishing-as-a-service panel in June, finding 5,137 credential records tied to 461 organizations in over 40 countries, including 4,148 captured session cookies and 474 completed post-MFA logins. The operation, built on Evilginx2, uses an attacker-controlled reverse proxy to steal authenticated session cookies and residential proxies to defeat location-based Conditional Access checks, while custom code disables FIDO2/WebAuthn on phishing pages. At least five affiliates operated 42 VPS nodes, with IT services and managed service providers the most targeted sector.
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iAuthFlow v2: The $10,000 Phishing Toolkit That Survives Your Password Reset
Abnormal Security details iAuthFlow v2, a $10,000 phishing kit that enrolls attacker-controlled passkeys on Google accounts, persisting through password resets.
Abnormal Security analyzed iAuthFlow v2, a phishing toolkit sold on a Russian-language cybercrime forum for a $10,000 base price with additional capability modules sold separately. Using a browser-in-the-middle relay behind a trycloudflare.com subdomain with valid TLS, it captures Google logins and uses the authenticated session to enroll an attacker-controlled passkey within six seconds of login. Because the passkey persists after password changes and session revocation, operators regain mailbox access even after victims reset credentials. The build examined targets Google, while the seller advertises versions for Microsoft, iCloud, and LinkedIn.
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