Password Spray Attacks Taking Advantage of Lax MFA

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 Read More …

OH-MY-DC: OIDC Misconfigurations in CI/CD

This paper accompanies the presentation “Oh-My-DC,” delivered at DEF CON 32 in August 2024. This article assumes a basic familiarity with OAuth and CI/CD pipelines, including concepts like authorization grants, access tokens and the different stages of a CI/CD workflow. Read More …

SonicOS SSL VPN Authentication Bypass Vulnerability (CVE-2024-53704)

A proof-of-concept (PoC) exploit has been published by security researchers for an authentication bypass vulnerability in the SonicOS SSL VPN component. SonicWall appliances provide virtual private network (VPN) and ‘next-gen’ firewall capabilities. SonicWall formally disclosed and released security updates addressing Read More …

20 million OpenAI accounts offered for sale

A cybercriminal acting under the moniker “emirking” offered 20 million OpenAI user login credentials this week, sharing what appeared to be samples of the stolen data itself. A translation of the Russian statement by the poster says: “When I realized Read More …

Google Chrome extensions targeted by hackers to steal user passwords

Cyberhaven has confirmed its Google Chrome extension was the subject of a Christmas Eve cyberattack, exposing sensitive customer data like passwords and session tokens. In a statement, the data loss prevention company noted the attack showed signs of being part Read More …

How the ransomware attack at Change Healthcare went down – a timeline

A ransomware attack earlier this year on UnitedHealth-owned health tech company Change Healthcare likely stands as one of the largest data breaches of U.S. health and medical data in history. Months after the February data breach, a “substantial proportion of Read More …

Hackers could take over your email account by stealing cookies, even if you have MFA

Most of us don’t think twice about checking the “Remember me” box when we log in. When you log in and the server has verified your authentication—straight away or after using MFA–the server creates a session and generates a unique Read More …

Chinese threat actor Storm-0940 uses credentials from password spray attacks from a covert network

Since August 2023, Microsoft has observed intrusion activity targeting and successfully stealing credentials from multiple Microsoft customers that is enabled by highly evasive password spray attacks. Microsoft has linked the source of these password spray attacks to a network of Read More …

‘Two-factor authentication may have stopped Synnovis cyber attack’

The cyber attack on pathology provider Synnovis could have been prevented by two-factor authentication, according to Beverley Bryant, strategic advisor in the frontline digitisation team at NHS England. Speaking at the Health Excellence Through Technology (HETT) conference on 24 September Read More …

Optus and Medibank Data Breach Cases Allege Cyber Security Failures

2022 was a big year for cyber security breaches in Australia. Both telecommunications provider Optus and private health insurer Medibank suffered large-scale data breaches affecting tens of millions of Australians, leading to heightened regulatory and business focus on cyber security Read More …