Microsoft Warns of Storm-0539: The Rising Threat Behind Holiday Gift Card Frauds

Microsoft is warning of an uptick in malicious activity from an emerging threat cluster it's tracking as Storm-0539 for orchestrating gift card fraud and theft via highly sophisticated email and SMS phishing attacks against retail entities during the holiday shopping season. The goal of the attacks is to propagate booby-trapped links that direct victims to adversary-in-the-middle (AiTM

Microsoft Warns of Hackers Exploiting OAuth for Cryptocurrency Mining and Phishing

Microsoft has warned that adversaries are using OAuth applications as an automation tool to deploy virtual machines (VMs) for cryptocurrency mining and launch phishing attacks. "Threat actors compromise user accounts to create, modify, and grant high privileges to OAuth applications that they can misuse to hide malicious activity," the Microsoft Threat Intelligence team said in an

Design Flaw in Google Workspace Could Let Attackers Gain Unauthorized Access

Cybersecurity researchers have detailed a "severe design flaw" in Google Workspace's domain-wide delegation (DWD) feature that could be exploited by threat actors to facilitate privilege escalation and obtain unauthorized access to Workspace APIs without super admin privileges. "Such exploitation could result in theft of emails from Gmail, data exfiltration from Google Drive, or other

Hackers Could Exploit Google Workspace and Cloud Platform for Ransomware Attacks

A set of novel attack methods has been demonstrated against Google Workspace and the Google Cloud Platform that could be potentially leveraged by threat actors to conduct ransomware, data exfiltration, and password recovery attacks. "Starting from a single compromised machine, threat actors could progress in several ways: they could move to other cloned machines with GCPW installed, gain access

Critical OAuth Flaws Uncovered in Grammarly, Vidio, and Bukalapak Platforms

Critical security flaws have been disclosed in the Open Authorization (OAuth) implementation of popular online services such as Grammarly, Vidio, and Bukalapak, building upon previous shortcomings uncovered in Booking[.]com and Expo. The weaknesses, now addressed by the respective companies following responsible disclosure between February and April 2023, could have allowed malicious actors to

How to Investigate an OAuth Grant for Suspicious Activity or Overly Permissive Scopes

From a user’s perspective, OAuth works like magic. In just a few keystrokes, you can whisk through the account creation process and gain immediate access to whatever new app or integration you’re seeking. Unfortunately, few users understand the implications of the permissions they allow when they create a new OAuth grant, making it easy for malicious actors to manipulate employees into giving

Critical 'nOAuth' Flaw in Microsoft Azure AD Enabled Complete Account Takeover

A security shortcoming in Microsoft Azure Active Directory (AD) Open Authorization (OAuth) process could have been exploited to achieve full account takeover, researchers said. California-based identity and access management service Descope, which discovered and reported the issue in April 2023, dubbed it nOAuth. "nOAuth is an authentication implementation flaw that can affect Microsoft Azure AD

S3 Ep137: 16th century crypto skullduggery

Lots to learn, clearly explained in plain English... listen now! (Full transcript inside.)

Serious Security: Verification is vital – examining an OAUTH login bug

What good is a popup asking for your approval if an attacker can bypass it simply by suppressing it?

Critical OAuth Vulnerability in Expo Framework Allows Account Hijacking

A critical security vulnerability has been disclosed in the Open Authorization (OAuth) implementation of the application development framework Expo.io. The shortcoming, assigned the CVE identifier CVE-2023-28131, has a severity rating of 9.6 on the CVSS scoring system. API security firm Salt Labs said the issue rendered services using the framework susceptible to credential leakage, which could

Uncovering (and Understanding) the Hidden Risks of SaaS Apps

Recent data breaches across CircleCI, LastPass, and Okta underscore a common theme: The enterprise SaaS stacks connected to these industry-leading apps can be at serious risk for compromise. CircleCI, for example, plays an integral, SaaS-to-SaaS role for SaaS app development. Similarly, tens of thousands of organizations rely on Okta and LastPass security roles for SaaS identity and access

Serious Security: OAuth 2 and why Microsoft is finally forcing you into it

Microsoft calls it "Modern Auth", though it's a decade old, and is finally forcing Exchange Online customers to switch to it.

GitHub issues final report on supply-chain source code intrusions

Learn how to find out which apps you've given access rights to, and how to revoke those rights immediately in an emergency.