Unmasking Tycoon 2FA: A Stealthy Phishing Kit Used to Bypass Microsoft 365 and Google MFA


Tycoon 2FA is a phishing-as-a-service (PhaaS) platform that was first seen in August 2023.

Like many phish kits, it bypasses multifactor authentication (MFA) protections and poses a significant threat to users. Lately, Tycoon 2FA has been grabbing headlines because of its role in ongoing campaigns designed to target Microsoft 365 and Gmail accounts.

Read more…
Source: Proofpoint


Sign up for our Newsletter


Related:

  • Disrupted phishing service was after Microsoft 365 credentials

    September 18, 2025

    Microsoft and Cloudflare have disrupted a Phishing-as-a-Service operation, known as RaccoonO365. The primary goal of RaccoonO365 (or Storm-2246 as Microsoft calls it) was to rent out a phishing toolkit that specialized in stealing Microsoft 365 credentials. They were successful in at least 5,000 cases, spanning 94 countries since July 2024. The operation provided the cybercriminals’ customers ...

  • All Plex users should reset passwords in wake of data breach

    September 10, 2025

    Popular media server and streaming platform, Plex, warned its users about losing their sensitive data in a cyberattack, and urged them to update their passwords as a result. In a forum post published on September 8, Plex said it recently experienced a security incident with “limited impact”, when an unauthorized third party accessed a subset of ...

  • Google warns Gmail users to change passwords after data breach

    September 3, 2025

    Google is warning about 2.5 billion Gmail users to change their passwords or install a passkey following a data breach that has led to a surge in “phishing” email attacks. The data breach that prompted the warning reportedly happened at a Salesforce database that Google uses internally. The compromised information included basic business contact information such ...

  • Pre-Auth RCE Alert: Critical SSH Flaw in Erlang/OTP (CVE-2025-32433)

    June 18, 2025

    The SonicWall Capture Labs threat research team became aware of a pre-authentication vulnerability in Erlang/OTP (Open Telegram Platform) SSH server implementation, assessed its impact, and developed mitigation measures. Erlang/OTP is a known toolkit used to build scalable, fault-tolerant systems such as telecommunications, messaging platforms, IoT infrastructure and financial services. It is used by organizations like Ericsson, ...

  • Key Linux systems may have security flaws which allow password theft

    June 2, 2025

    Cybersecurity researchers from Qualys have discovered two information disclosure vulnerabilities plaguing different Linux distros. The flaws, both of which are race condition bugs, allow threat actors to gain access to sensitive information. The first one is found in Ubuntu’s core dump-handler, Apport, and is tracked as CVE-2025-5054. The second one is found in the default core-dump ...

  • Password Spray Attacks Taking Advantage of Lax MFA

    April 10, 2025

    In the first quarter of 2025, Rapid7’s Managed Threat Hunting team observed a significant volume of brute-force password attempts leveraging FastHTTP, a high-performance HTTP server and client library for Go, to automate unauthorized logins via HTTP requests. This rapid volume of credential spraying was primarily designed to discover and compromise accounts not properly secured by multi-factor ...