Security News

Trapdoor Android Ad Fraud Scheme Hit 659 Million Daily Bid Requests Using 455 Apps

Cybersecurity researchers have disclosed details of a new ad fraud and malvertising operation dubbed Trapdoor targeting Android device users. The activity, per HUMAN's Satori Threat Intelligence and Research Team, encompassed 455 malicious Android apps and 183 threat actor-owned command-and-control (C2) domains, turning the infrastructure into a pipeline for multi-stage fraud. "Users

DirtyDecrypt PoC Released for Linux Kernel CVE-2026-31635 LPE Vulnerability

Proof-of-concept (PoC) exploit code has now been released for a recently patched security flaw in the Linux kernel that could allow for local privilege escalation (LPE). Dubbed DirtyDecrypt (aka DirtyCBC), the vulnerability was discovered and reported by the Zellic and V12 security team on May 9, 2026, only to be informed by the maintainers that it was a duplicate of a vulnerability that had

Looking Back, Looking Forward: Digesting a Dynamic Bouillabaisse of Cyber Evolution

Dark Reading editors reflect on two decades of dramatic change — from perimeter defense to assume-breach strategies — and warn that while AI, cloud, and COVID-19 have transformed the threat landscape, organizations are still failing at fundamental security hygiene that could stop sophisticated attacks in their tracks.

The New Phishing Click: How OAuth Consent Bypasses MFA

In February 2026, a phishing-as-a-service (PhaaS) platform called EvilTokens went live. Within five weeks, it had compromised more than 340 Microsoft 365 organizations across five countries.  The targets of the platform received a message asking them to enter a short code at microsoft.com/devicelogin and complete their normal MFA challenge, then walked away believing they had verified a

Stealer Spoofs Google, Microsoft & Apple, Then Backdoors macOS

The SHub Reaper stealer, which hides behind fake WeChat and Miro installers, marks a shift from ClickFix social engineering to Apple script-based execution.

Drupal to Release Urgent Core Security Updates on May 20, Sites Told to Prepare

Drupal has issued an alert stating that it intends to release a "core security release" for all supported branches on May 20, 2026, from 5-9 p.m. UTC. "The Drupal Security Team urges you to reserve time for core updates at that time because exploits might be developed within hours or days," the maintainers of the PHP-based content management system (CMS) said. "Not all configurations are

SEPPMail Secure E-Mail Gateway Vulnerabilities Enable RCE and Mail Traffic Access

Critical security vulnerabilities have been disclosed in SEPPMail Secure E-Mail Gateway, an enterprise-grade email security solution, that could be exploited to achieve remote code execution and enable an attacker to read arbitrary mails from the virtual appliance. "These vulnerabilities could have been exploited to read all mail traffic or as an entry vector into the internal network,"

Compromised Nx Console 18.95.0 Targeted VS Code Developers with Credential Stealer

Cybersecurity researchers have flagged a compromised version of the Nx Console extension that was published to the Microsoft Visual Studio Code (VS Code) Marketplace. The extension in question is rwl.angular-console (version 18.95.0), a popular user interface and plugin for code editors like VS Code, Cursor, and JetBrains. The VS Code extension has more than 2.2 million installations. The Open

GitHub Actions Supply Chain Attack Redirects Tags to Steal CI/CD Credentials

In yet another software supply chain attack, threat actors have compromised the popular GitHub Actions workflow, actions-cool/issues-helper, to run malicious code that harvests sensitive credentials and exfiltrates them to an attacker-controlled server. "Every existing tag in the repository has been moved to point to an imposter commit that does not appear in the action's normal commit history,

Mini Shai-Hulud Pushes Malicious AntV npm Packages via Compromised Maintainer Account

Cybersecurity researchers have discovered a fresh software supply chain attack campaign that has compromised various npm packages associated with the @antv ecosystem as part of the ongoing Mini Shai-Hulud attack wave. "The attack affects packages tied to the npm maintainer account atool, including echarts-for-react, a widely used React wrapper for Apache ECharts with roughly 1.1 million weekly

ISC Stormcast For Tuesday, May 19th, 2026 https://isc.sans.edu/podcastdetail/9936, (Tue, May 19th)

Is 2026 the Year AI Bills of Materials Get Real?

Understanding AI BOMs and where they fit into risk management for artificial intelligence.

Microsoft Exchange Zero-Day Under Attack, No Patch Available

CVE-2026-42897 stems from a cross-site scripting (XSS) vulnerability and can allow an attacker to compromise Outlook Web Access (OWA) mailboxes.

'Claw Chain' Vulnerabilities Threaten OpenClaw Deployments

The now patched vulnerabilities in the rapidly growing AI agent framework allow attackers to steal credentials, escalate privileges, and maintain persistence.

CISA Admin Leaked AWS GovCloud Keys on Github

Until this past weekend, a contractor for the Cybersecurity & Infrastructure Security Agency (CISA) maintained a public GitHub repository that exposed credentials to several highly privileged AWS GovCloud accounts and a large number of internal CISA systems. Security experts said the public archive included files detailing how CISA builds, tests and deploys software internally, and that it represents one of the most egregious government data leaks in recent history.

TeamPCP Supply Chain Campaign: Activity Through 2026-05-17, (Mon, May 18th)

Since the last update, the TeamPCP supply chain campaign produced its loudest stretch since the March Trivy disclosure: an officially confirmed Checkmarx Jenkins plugin compromise and a new self-spreading Mini Shai-Hulud worm across npm and PyPI.

Shai-Hulud Worm Clones Spread After Code Release

The release of Shai-Hulud source code spells trouble for software developers as researchers worry the self-replicating worm could scale.

INTERPOL Operation Ramz Disrupts MENA Cybercrime Networks with 201 Arrests

INTERPOL has coordinated a first-of-its-kind cybercrime crackdown across the Middle East and North Africa (MENA) that led to 201 arrests and the identification of an additional 382 suspects. The initiative involved the efforts of 13 countries from the region between October 2025 and February 2026, aiming to investigate and neutralize malicious infrastructure, arrest perpetrators behind these

Fuel Tank Breaches Expand Scope of Iran's Cyber Offensive

Security experts have long warned that insecure automatic tank gauge (ATG) systems exposed on the Internet can be tampered with by threat actors.

⚡ Weekly Recap: Exchange 0-Day, npm Worm, Fake AI Repo, Cisco Exploit and More

Monday opens with a trust problem. A mail server flaw is under active use. A network control system was targeted. Trusted packages were poisoned. A fake model page pushed a stealer. Then came the familiar ransom claim: the data was returned and deleted. The pattern is clear. One weak dependency can leak keys. One leaked key can open cloud access. One cloud foothold can become a production